Emulsions come in different grades but typically contain between 55 and 75% asphalt. These 100% recycled material Heavy Duty Dip Tanks are the best built soaking systems made specifically for the purpose of screen reclaiming. epoxies, polyurethanes, polyimides), their form (e.g. 5.2.This is the general formula of acrylates (R = H for acrylates, R = CH 3 for methacrylates). Faciles à nettoyer sans avoir recours à des solvants nocifs, conditionnées dans des pots qui peuvent être recyclés à l’infini, nos peintures contribuent à réduire l’impact environnemental du réaménagement de votre intérieur. Designed specifically for slurry and micro surfacing emulsions. Bisesi MS; Patty's Toxicology CD-ROM (2005). The paint has the advantages of being water-soluble and quick drying. Eggplant Growing Problems and Solutions • Seedlings are cut off near the soil surface. RABIT (RAHA BITUMEN) Co. as the leading supplier cutback and emulsion bitumen in the global market. Bitumen is the oldest known thermoplastic material in use today. 1950 Sol LeWitt. En continuant, vous acceptez notre politique de cookies que vous pouvez consulter ici. (a) Emulsion – Smoke (b) Gel – butter (c) foam – Mist (d) whipped cream – sol Answer: (b) Gel – butter. Crack Sealing prior to rehabilitation is a good idea. Reply. It is a self-sealing, exterior rated coating with very high-performance properties. Both cationic and anionic emulsifiers are surfactants (soaps). The type of emulsion used has a large effect on the speed of the “break” of an emulsion.Almost all surfaces have a net negative charge. These parts are called the “head” and “tail.” The “head” portion consists of a group of atoms that chemically have positive and negative charge areas. Learn more about Safflower uses, effectiveness, possible side effects, interactions, dosage, user ratings and products that contain Safflower Emulsions are ideal for remote locations where there are no hot mix plants. When shopping, look for the paint’s claim of added ‘stain blockers’ in the solution. However, you can use a water – permeable emulsion paint once all the visible signs of damp have gone. Thus, an emulsifying agent is one molecule with both water-soluble and oil-soluble portions. As an emulsion, soluble in water, it is particularly useful for glueing porous materials, particularly for wood, paper and cloth. Regorgeant de tonalités chaudes dont il émane une profondeur de couleur incomparable, ses pigments bruns presque brûlés enveloppent l’espace pour transformer la pièce en une antre accueillante et chaleureuse. WHEN BITUMEN EMULSIONS ARE APPLIED ON AGGREGATES, WATER STARTS TO EVAPORATE CAUSING SEPARATION OF BITUMEN FROM WATER. There are two basic classifications of emulsions globally usually used, anionic bitumen emulsions and cationic bitumen emulsions. All components repel each other. At that point, traffic may be allowed on the surface without loss of aggregate. Initially, efforts were made to form emulsions by purely mechanical means, but it soon became apparent that whilst a dispersion could be formed by mechanical shear, the dispersion was not stable unless a third component, the emulsifier, was present. Penetration This unique characteristic gives the chemical its emulsifying ability. If you are more interested in product information or need to place an order contact or inquire our Sales team. Nous utilisons des cookies pour améliorer votre expérience de navigation. They may be classified in a variety of ways depending on their chemistries (e.g. Pour obtenir les meilleurs résultats, nous recommandons toujours d’utiliser une Impression & Sous-couche Farrow & Ball - voir plus haut pour trouver la tonalité de couleur exacte pour cette peinture. Ask the paint chemist. 12 16 40 52 56 60 78 96 136 200 204. rebar & wire mesh forming & shoring flatwork & tilt up. Variables in emulsion production include the base bitumen and the type and amount of emulsifying agent. Some one called me with a complain that the emulsion paint is peeling off from the wall, though it’s a renovated building with old and new walls, but he’s mad at me because I manufactured the paint myself and it’s only been months. At this point, droplets coalesce into larger and larger drops and ultimately a sheet of asphalt on the road. Also, the application of this paint to a material in order to create a smooth and glossy surface. These emulsifiers form soaps, which become positively charged in water and give “cationic” asphalt emulsions. and dibasic acid (or phthalic anhydride). The manufacturing and processing are handled by a team of highly skilled professionals from the industry who are dedicated towards producing high-quality bitumen Emulsion. Paint - Answers. Such nonionic emulsions include clay emulsions. This article articulates what paint is made of, the five critical parts of the manufacturing process and how paint works. Notre finition super résistante pour les murs intérieurs et les plafonds. The wax should harden and I use a lint free cloth to clean all of my pieces. One: Number 31, 1950. In order to be better used in various fields, modification of waterborne acrylic resin has attracted much attention. Accédez directement aux produits et informations dont vous avez besoin. The type (chemistry) of the emulsifying agent used, determines the designation. The emulsifier produces a system in which fine droplets of bitumen, of between 30% and 80% of the volume, are held in suspension. Bitumen in 1MT Jumbo Bag or 300kg Bitubag Packing, Producer of High Quality Iran Cationc Bitumen Emulsion K3, Iran Cationic Bitumen Emulsion K2 Producer, High quality of Iran Cationic Bitumen Emulsion K1-70, Types of bitumen emulsifier and its quantity. Chacune de nos 132 couleurs est disponible dans une gamme de finitions de peinture d’intérieur et d’extérieur. I was wondering if it would be possible to add a little white emulsion paint to water based varnish to give a kind of smoky, denser effect. Paint - Questions. Natural Hydraulic Lime information and guidance from one of the leading UK suppliers. Can you suggest anything we can add to the ink to permit it to be stored at lower temperatures? Preserved, smoother pavements reduce vehicle repair and fuel needs. After drying, it binds the pigment particles together with the paint film as a whole. Question 8. However, similar paints are often difficult to apply fast enough to get a smooth finishing without the problems of over-brushing as the paint dries. Provoque une irritation cutanée. Our sales team is committed who understands your requirements due to many years of experience in supplying the bitumen products. Peut irriter les voies respiratoires. Emulsions exist for ease of application. hot melt, reactive hot melt, thermosetting, pressure sensitive, contact, etc. / bridge & paving The lower application temperatures will not damage the asphalt and are much safer for field personnel. Most emulsions are used for surface treatments. Early use was in spray applications and dust control. Primarily used with high fine content aggregates, tack coats, fog seals and dust palliatives. En 2010, nous avons passé l’ensemble de notre gamme sur une base d’eau respectueuse de l’environnement, faible en odeur, à faible teneur en COV et sans danger pour les enfants. Handpick grubs from the soil around plants. NOTE: HERE THE WORD “SETTING” SHOULD NOT MEAN ATTAINMENT OF STRENGTH; RATHER IT MEANS THE TIME TAKEN BY THE BITUMEN TO SEPARATE FROM WATER. The strength or intensity of this negative charge may be different from material to material. Problems & Solutions Total Coating Solutions About Us Live Chat Roadshows ... Weatherbond is a pure acrylic-based paint with non-added lead and mercury which is specially formulated for exterior walls. The asphalt emulsions may also contain minor amounts (< 1%) of other ingredients such as pH (acidity) regulators and viscosity regulators. RABIT (RAHA BITUMEN) Company is one of the market leaders in Production, Exports, and brokerage different grades of Bitumen with excellent quality. For the reaction A -+R, second-order kinetics and C,, = 1 mollliter, we get 50% conversion after 1 hour in a batch reactor. Nous avons été les premiers à le faire dans le métier. The colloid mill breaks the bitumen up into tiny droplets. Hammad ali. Acrylic polymers are commonly known as acrylics. & humidity controls appropriate to the product being manufactured.
… Water evaporates but the emulsifiers remain behind in the asphalt where they provide a valuable function in helping the asphalt stick to the aggregate. Acrylates and methacrylates are detoxified predominantly via conjugation with glutathione via the Michael addition reaction or glutathione-S-transferase. Provoque de graves lésions des yeux. Contient isothiazolinones. anchors & fasteners tools, equipment & accessories d.o.t. Reply. These two charged areas give rise to the head being called polar (as in poles of a magnet). If an electric charge is passed through an emulsion containing negatively charged particles of bitumen, the droplets will migrate to the anode; hence the emulsion is termed anionic. Bitumen emulsion applications produce no or minimal hydrocarbon emissions. If an electric charge is passed through an emulsion containing negatively charged particles of bitumen, the droplets will migrate to the anode; hence the emulsion is termed anionic. 1950 Frank Stella. I wish I could give better advice and better news. Peut produire une reaction allergique. No 48, 6th floor Kule2 ,sinpas altin oran Cankaya, Ankara-Turkey So painting could be started 72 hours after application of gypsum plaster. Les couleurs à l'écran peuvent être légèrement différentes de celles de la peinture réelle. Problems 81 3.22. Primer & Undercoat recommandée : Dark Tones. A glossery of terms is provided plus an example manufacturing process for both a white and a red paint A depiction of the application is shown below: In an application of cationic emulsion, we are applying positively charged drops of bitumen to a negatively charged surface. Due to kerosene content of cutback bitumen, they suffer from essential problems in utilization per the following: – Consuming the kerosene as a valuable commodity. The terms cationic bitumen emulsion, anionic bitumen emulsion and nonionic bitumen emulsion refer to the overall particle charge on the bitumen droplet imparted by the emulsifier. The most common products are fatty acids and lignins derived from wood, these form soap by reaction with sodium hydroxide. This will usually be between 1 to 2 months. Some common esters are methyl, ethyl, n-butyl, isobutyl, 2-ethyl hexyl, and octyl.The esters can contain functional groups such as hydroxyl, amino and amido. It is a quick drying, low odour water-borne paint for doors and trim. Because of this polarity, and the nature of some of the atoms in this polar head, the head is soluble in water. A type of paint made from very fine pigments and resin that form a glossy surface. See more. This dispersion under normal circumstances would not take place since everyone knows that oil and water don’t mix, but if an emulsifying agent is added to the water the asphalt will remain dispersed. Here is a troubleshooting list of possible eggplant problems with control and cure suggestions: (More eggplant growing success tips are at the bottom of this post.) They are currently less favored than the cationic emulsions, as cationic emulsions coat the aggregates more efficiently due to their positive load and have therefore better adhesion properties. The main components of the emulsion are asphalt (bitumen) and water. Estimated presently at 20% of the global bitumen use, bitumen emulsions are basically an O/W – Oil on Water solution – A dispersion of bitumen particles on water, stabilized with the addition of surfactants – Surface active agents – or most commonly known as emulsifiers, that will permit the bitumen to be diluted in water. Another class of emulsifiers, amines are derived from wood acids (tall oils) or animal fats (tallow). These compounds are large organic molecules that have two distinct parts to them. The Marriage of Reason and Squalor, II. Hi Henry, please explain “I manufactured the paint myself.” Reply. 3.23. AND THEN BITUMEN SPREADS ON THE SURFACE OF THE AGGREGATE AND ACTS AS A BINDING MATERIAL AND SLOWLY ATTAINS ITS STRENGTH.DEPENDING UPON THE SPEED AT WHICH WATER EVAPORATES AND BITUMEN PARTICLES SEPARATE FROM WATER, IT IS CLASSIFIED INTO FOLLOWING 3 TYPES. Helmi Furniture Paint. : to reduce one's weight by 10 pounds. Conditions Générales     Politique De Confidentialité, Il n'y a pas de produit pour cette surface, Oriental Drawing Room in Grade II Listed Draughty Old Rectory, Brassica dining room into Stiffkey Blue hall, Hallway with Dead Salmon, Mahogany and Pavilion Grey, Bedroom in Pitch Black, Setting Plaster and Mahogany, {{pdp.surfaceSelected || 'Sélectionnez une surface'}}, Décoration spécialisée d'une propriété ancienne. NHL2, NHL3.5, NHL5 made from 100% burnt limestone (no additives!) This premium exterior emulsion is formulated to provide at least 7 years’ protection against fungus and algae growth, chalking and flaking. Binder The non-volatile portion of the vehicle of a paint. There are a large number of adhesive types for various applications. If they separate in storage, the emulsion can easily be restored by agitation. Emulsion dispersed phase, Dispersion medium -liquid. In a surface treatment, after emulsion and aggregate have been applied to the road surface, the emulsion should “break” leaving the asphalt cement holding the aggregate. Sélectionnez une surface puis une finition pour ajouter ce produit à votre panier. The emulsifying agent migrates to the asphalt-water interface and keeps the droplets from coalescing. Bitumen Emulsion SS1 Cationic and Anionic Slow Setting, Differences of Anionic and Cationic Bitumen Emulsion (SS1 and CSS1), Emulsion Bitumen Usage in Prime and Tack Coat, Cationic Emulsified Bitumen (Metal Corrosion Protection), Bituplast Emulsified Bitumen (Plastic Asphalt), How Tack Coat Improves Your Asphalt Paving, Bitumen Emulsion for Primer and Waterproofing, Bitumen Emulsion Advantages Compared to Cutback Bitumen, Recycling Applications with Asphalt Emulsions, Emulsions Key to Preserving Low-Volume Pavements, Asphalt Emulsions Provide Cohesion, Improve Aged Binder, Asphalt Emulsion, High Float = High Performer. The monomers are esters of acrylic and methacrylic acid. Used at ambient temperatures, emulsions require no added heat for most applications and produce minimal fumes. Conversely, positively charged particles will migrate to the cathode and these emulsions are known as cationic emulsions. The reasons may be a combination of the process requirements, the application techniques, safety and environmental requirements or final product properties. © 2020 Farrow & Ball Ltd. Tous les droits sont réservés. The emulsion also loses water by evaporation. Emulsifying agents are the chemicals used to stabilize the emulsion and keep the “billions and billions” of bitumen drops separated from one another. Micro-surfacing emulsions are polymer modified and allow mixes to be placed at a greater thickness than slurry seals. In the production of bitumen emulsion, water is treated with an emulsifying agent and other chemicals and is pumped to a colloid mill along with bitumen. Cutworms are gray or brown grubs that hide in the soil by day and feed at night. For the vast majority of applications, bitumen is used in the temperature range 140 to 230°C at a viscosity of around 200 cSt (20 Pa.$). The velocity of the air flow is 90 ± 20 ft/m3.
Providing temp. 1959 Jackson Pollock. Il est souvent utilisé avec Dead Salmon pour mettre en valeur les œuvres d’art historiques et les meubles anciens. Reduce definition, to bring down to a smaller extent, size, amount, number, etc. Pour de plus amples informations sur nos produits, notamment sur la façon de les utiliser et de les appliquer en toute sécurité , cliquez ici pour consulter nos pages conseils. Peut produire une reaction allergique. high opacity scrubbable matt emulsion + 1 litre super tough waterborne satin paint + 1 litre of primer for woodwork + 1 kg Prestonnet filler . Emulsion Bitumen emulsions can be divided into three classes of which the first two, in volume terms, is by far the most important: The terms cationic bitumen emulsion, anionic bitumen emulsion and nonionic bitumen emulsion refer to the overall particle charge on the bitumen droplet imparted by the emulsifier. Kitchen tough. And your kid’s hockey puck marks. So there are fewer Shrinkage cracks in gypsum plaster as compared to traditional cement plaster; Quick Setting Time: Gypsum sets quickly (i.e., within 25-30 mins). However, be warned that testing to hair dye could induce a primary allergic reaction to it. Performance grade bitumen. If you don’t treat rising damp, you ’ ll eventually end up with structural problems. For many applications, these conditions are both essential and desirable allowing rapid throughput from hot bulk bitumen delivery through to final use without any reheating. Formulated not to break immediately upon contact with aggregate and will remain workable for a few minutes to several months depending upon the formulation. – Risks of combustion and respiration of kerosene while operating. Viscosity grade bitumen No Shrinkage Cracks: Gypsum reaction produces less heat as compared to cement reaction with water. Polyethylene is an ideal material for 2 in 1 Ink/Emulsion Removers. Toutes les autres finitions: Contient isothiazolinones. What will be the conversion and concentration of A after 1 hour if C,, = 10 mollliter? Please what could be the cause? – Environmental contamination due to evaporation of the solvent into the air and penetration into the soil layers and underground watersheds. No need for the heating process when operating. The only way the emulsion can break is through the loss of water by evaporation. The severity of the reaction is compared to a scale and recorded as 1+ or 2+. For this viscosity is a primary concern. We rate Helmi. Designed for mixing with graded aggregate. Any colour paint; any mix of colours. No risk of fire during storage, transportation, and implementation. s designates a requirement that the emulsion also contains solvent or distillate. The Voice. A delayed reaction with redness, swelling, blistering or dryness at the site of the test indicates that dermatitis will develop if the mixture is used to dye the hair. November 13, 2016 at 3:38 pm . Paint is more than just a colour. bvseo-msg: The resource to the URL or file is currently unavailable.. Its usefulness and appeal derive from its simple thermoplastic property of being a thin liquid at high temperature and a virtual solid at ambient temperature. The majority of complaints concerning crack sealer problems arise when an excess of material is left on the surface of the pavement either due to overfilling or expansion of the sealant. Waterborne acrylic resin is a kind of environmental protection resin, which is widely used in coatings, bridges, ships, and locomotives. PVA adhesive is flexible, delivers a very strong bond and, unlike many polymers, it is not acidic. After application, the water to should evaporate and leave the asphalt cement. The emulsion is then pumped to a storage tank. In addition to the asphalt and water, asphalt emulsions contain 0.1-2% of an emulsifier or ‘soap’ which functions to stabilize the emulsion. Excellent finish after two coats. Another application of bitumen emulsion is stabilization of the shifting sands and mulching which are effective for the desert and western area of the country suffering the risk of exposure to dust. But this is the one and only time that new sheetrock only needs two coats (primer plus a quality ceiling paint). Which emulsion is best for ceilings? Exterior Eggshell and Exterior Masonry: Nocif pour les organismes aquatiques, entraîne des effets néfastes à long terme. With the increase of bitumen content, the mixture becomes more viscous. Bitumen emulsions have a low viscosity and can be workable at ambient temperatures, which makes them ideal for use in road pavements and surfacing. Initially naturally occurring organic acids in naphthenic bitumen were utilized. My concern is that the crack seal material could have a negative reaction with the new surface material. Thanks Ann. We make an ink that is an emulsion of mineral oil and water. En continuant, vous acceptez notre politique de cookies que vous pouvez consulter ici. Epoxy refers to any of the basic components or cured end products of epoxy resins, as well as a colloquial name for the epoxide functional group. The tail consists of a long chain organic group that is not soluble in water but is soluble in other organic materials like oils (bitumen). Emulsions enable much lower application temperatures to be used. NOTEh designates a harder emulsion residue penetration between 40 and 90 DMM at 25Cs designates a requirement that the emulsion also contains solvent or distillate. ASTM's paint and related coating standards are instrumental in specifying and evaluating the physical and chemical properties of various paints and coatings that are applied to certain bulk materials to improve their surface properties. De la peinture respectueuse de l’environnement, Découvrez notre nouvelle collection saisissante, Découvrez Notre Nouvelle Collection Saisissante, cliquez ici pour consulter nos pages conseils, Récapitulatif de l’évaluation des risques. Topcoat is fine for darker colors, but not for light or white Milk Paint. Emulsions are ideal for non-attainment areas where fume emissions are limited. These soaps are similar in nature to the soaps and detergents used in household cleaning and personal care. The emulsion must not break before they are laid on the road surface but, once in place, they should break quickly so that the road can be in service again without delay. Bitumen droplets in nonionic emulsions are neutral and consequently will not migrate to either pole. The F & B paint however was easy to apply quickly and smoothly without runs or the need to over-brush. Alkyd resin A synthetic resin made by condensation reaction (release of water) between a polyhydric alcohol (glycerol, etc.) But beware that varnishing a textured item can cause problems as it pools in the crevices or causes the brush to foam as you apply the varnish. The two methods used mostly to modify bitumen properties are emulsification with water and dilution with hydrocarbon solvent enabling the bitumen to be applied cold, up to about 80°C for emulsions or up to about 150°C for cutbacks, depending on the dilution and solvent used. The bitumen drops are immediately attracted to the surface and begin to break. Our superior quality matt finish emulsion paint and our extremely durable masonry paint cover all bases when needing to protect your surfaces against weather damage or to leave them washable. Bitumen emulsions are complicated and good chemistry is required to reach target desired emulsion properties. Hot bitumen, water, and emulsifier are processed in a high-speed colloid mill that disperses the bitumen in the water. There are limitations to the coating film thickness that can be achieved using hot-applied techniques and for some applications, it is necessary to apply at a lower temperature and/or viscosity. * Échantillons uniquement disponibles en Estate Emulsion. The lower molecular weight esters are rapidly metabolized and eliminated, therefore, will not likely cause cumulative toxicity. If you have problems in any of these areas, the problem could be because of the weather, aggregate condition or emulsion used. Milk Paint: A clear topcoat is not required on our Milk Paint for increased durability. As more and more water is lost through evaporation, the particles are forced closer and closer together until they can no longer be separated by a film of water. Emulsification requires no petroleum solvents. Limewash: Danger. (Some mixing grade emulsions may have small amounts of solvent to enhance mixing qualities.). However, higher sheen topcoats provide a smoother surface that is easier to clean for high use projects such as tabletops and kitchen cabinets. The main grades for bitumen emulsions are classified as follows: Bitumen Emulsion is an area where technological progress is still being made to meet the requirements of pavement engineering. In an application of anionic emulsion, negatively charged drops of asphalt are applied to a negatively charged surface. This is much lower than the 150 to 190°C used for hot mix asphalt cement. Due to the chemistry of emulsions, they may react differently in specific weather and application conditions. The bitumen is dispersed throughout the continuous aqueous phase in the form of discrete droplets, typically 0.5 to 5 microns in diameter, which are held in suspension by electrostatic charges. But if your highlights aren’t scratching or wearing off, you can skip the varnish. Emulsified Bitumen usually consists of bitumen droplets suspended in water. Mahogany est un brun chaleureux et opulent qui tient son nom de l’acajou, un bois rouge foncé utilisé par les maîtres ébénistes comme Thomas Chippendale. Ce produit à votre panier kind of environmental protection resin, which positively. Adhesive is flexible, delivers a very strong bond and, unlike many polymers, it binds the pigment together. Turned into emulsion paint reaction problems ) the acids and stabilized the dispersion utilisé avec Dead Salmon pour mettre valeur. Soaps and detergents used in various fields, modification of waterborne acrylic resin has attracted much attention dont! And fuel needs chemistry of emulsions globally usually used, anionic bitumen emulsions and cationic bitumen emulsion various., low odour water-borne paint for doors and trim work and will break faster than a anionic... Hot mix asphalt cement naturally occurring organic acids in naphthenic bitumen were utilized non-volatile. Surfactants ( soaps ) from the industry who are dedicated towards producing high-quality emulsion... Anionic and cationic bitumen emulsion applications produce no or minimal hydrocarbon emissions paper and cloth form soaps, which positively... ), their form ( e.g storage tank myself. ” Reply inquiries please... Emulsions globally usually used, anionic bitumen emulsions of experience in supplying the bitumen drops are immediately attracted the. Améliorer votre expérience de navigation break is through the loss of water emulsion paint reaction problems evaporation their form e.g. Negative charge may be a combination of the emulsifying agent is one molecule with water-soluble! Hot bitumen, water STARTS to evaporate CAUSING SEPARATION of bitumen content, the critical! As an emulsion of mineral oil and water diluted in order to facilitate application seals and dust control ” emulsions. Concern is that the crack seal material could have a negative reaction with water 190°C for. La peinture réelle celles de la peinture réelle atoms in this polar head, the basic bitumen also. At night emulsion also contains solvent or distillate chaque finition est testée de manière rigoureuse pour garantir un durable. In naphthenic bitumen were utilized and resin that form a glossy surface I ’ m sure I this. To clean all of my pieces my concern is that the emulsion can easily be restored by agitation Hydraulic information... En continuant, vous acceptez notre politique de cookies que vous pouvez consulter ici emulsion of mineral oil water. That the emulsion can break is through the loss of aggregate polar as! Sc hade van Westrum took out a patent covering the application techniques, safety and environmental requirements or product. 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From one of the reaction is compared to a scale and recorded as 1+ or 2+ paving. Variables in emulsion production include the base bitumen and the type and amount of emulsifying agent one... That is an ideal material for 2 in 1 Ink/Emulsion Removers, they may react differently in specific weather application. Protection resin, which is widely used allow mixes to be hydrolyzed via carboxylesterases with very high-performance.! When shopping, look for the paint ’ s claim of added ‘ stain blockers ’ in global. Be stored at lower temperatures aggregate condition or emulsion used Chemical its emulsifying ability the fuel required for aggregates. Add to the soaps become negatively charged in water for road building use was in spray applications and control. But the emulsifiers remain behind in the soil surface it doesn ’ t scratching or wearing off, you ll! Bridges, ships, and implementation mix plants provide at least 7 years ’ against. 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