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acetic acid

Acetic acid is an organic acid that gives vinegar its sour taste and pungent smell. It is a weak acid, in that it is only a partially dissociated acid in an aqueous solution. It is an important chemical reagent and industrial chemical, used in the production of polyethylene terephthalate mainly used in soft drink bottles; cellulose acetate, mainly for photographic film; and polyvinyl acetate for wood glue, as well as synthetic fibres and fabrics. In households, diluted acetic acid is often used in descaling agents. It is also used as a food additive.

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ALCOTEX 359B

Alcotex 359B is partially hydrolyzed polyvinyl acetate. It is supplied as a solvent based solution of approximate ratio 90:10 methanol / methyl acetate. Alcotex 359B has a blocky distribution of hydroxyl groups. Alcotex 359B may be poured or pumped using a wide variety of processing equipment, designed for handling flammable liquids, in accordance with local legislation.

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ALCOTEX 432P

Alcotex 432P is a 43% hydrolyzed polyvinyl alcohol supplied as a low viscosity methanol based solution. It has been specifically developed as a secondary suspending agent for vinyl chloride suspension polymerization. It may be used in conjunction with conventional primary suspending agents. In optimized recipes, improvements can be obtained in the porosity/bulk density relationship. Alcotex 432P can be pumped directly into the reactor, usually after the water and primary stabilizer have been added. The level of primary stabilizer may need to be reduced to maintain the correct grain size. Alcotex 432P can be used over the whole molecular weight range, at high K values to increase plasticizer absorption and at low K values to improve VCM release.

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ALCOTEX 552P

Alcotex 552P is an aqueous solution of a 55% hydrolyzed polyvinyl alcohol. It has been developed by Synthomer Ltd as a porosity enhancement agent for PVC suspension polymerization. It has low residual methanol content. Alcotex 552P can be used in conjunction with conventional primary suspending agents. Alcotex 552P can be charged either directly to the reactor or pumped into a flowing water charge line. It is desirable to add Alcotex 552P after at least some of the primary suspending agent has been added. It may be necessary to reduce the primary suspending agent level, to maintain grain size, as Alcotex 552P will tend to reduce it. Alcotex 552P can be used over the whole molecular weight range, at high K values to increase plasticizer absorption and at low K values to improve VCM release.

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ALCOTEX 7206

Alcotex 7206 is a 72.5% hydrolyzed, low/ medium molecular weight polyvinyl alcohol which have been specially developed for use as a primary suspending agent for vinyl chloride suspension polymerization. Alcotex 7206 can be used to make PVC with a wide range of porosities and bulk densities.

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ALCOTEX 8048

Alcotex 8048 is an 80% hydrolyzed, high molecular weight polyvinyl alcohol which has been specially developed for use as a primary suspending agent for vinyl chloride suspension polymerization. Alcotex 8048 is used to make PVC with a wide range of porosities and bulk densities.

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ALCOTEX 8847

Alcotex 8847 is an 88% hydrolyzed polyvinyl alcohol for use in specialty applications such as vinyl acetate containing copolymer resins as well as in standard grades. Alcotex 8847 is a high molecular weight polyvinyl alcohol giving a high colloidal stability in PVC suspension polymerization.

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ARDEX AF 650

ARDEX AF 650 is a heavy duty polychloroprene contact adhesive for fixing PVC and rubber floorcoverings, stair nosings, PVC skirting, stair stringers and cork with natural cork backing. ARDEX AF 650 is a contact adhesive and therefore requires to be applied to both the sub-floor/wall and floorcovering material and given time to dry.It can be used on or over smoothing underlayments, sand and cement screeds, concrete.

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ARDEX AF 700

ARDEX AF 700 is a water-based, low odour, solvent free, synthetic resin/rubber emulsion-based linoleum adhesive containing a blend of high quality dispersions, mineral fillers and water. It is odourless when dry and has excellent wet grab and an exceptionally long tack time, with very good early and long term adhesive strength. ARDEX AF700 is designed for sub-floors such as levelled and smoother concrete and sand/cement screeds, latex and water-based levelling and smoothing compounds, terrazzo, plywood, hardboard and flooring grade chipboard. ARDEX AF 700 has been specially formulated to provide excellent long term shear strength to compliment the properties of linoleum sheet and tile floor coverings. ARDEX AF 700 also has significantly improved moisture resistance compared to traditional lignum paste type adhesives. ARDEX AF 700 is also suitable for use over normal under floor heating system.

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Actafoam 780

Actafoam 780 is a chemical foaming agent used in the production of cellular polymer products. Actafoam 780 may be used in both plastics and rubber applications. Plastic materials that may be foamed with Actafoam 780 include standard and metallocene polyolefins, various thermoplastic elastomers, and soft, low-melting vinyl formulations.

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