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Home » Performance Polymers » Latex » Encord NBR Latex » Encord (NBR Latex)

Encord (NBR Latex)

ENCORD- Nitrile latex is a random co-polymer of acrylonitrile and butadiene monomer dispersed in aqueous medium.

Encord - Vinyl Pyridine Latex
Polymerization Structure of acrylonitrile & butadiene co-polymer

Commercially this product is available in three different grades:
High acrylonitrile content of co-polymer latex imparts excellent chemical, oil solvent resistance to the polymer. Random co-polymer of butadiene and acrylonitrile helps in exhibiting very good mechanical properties like tensile strength, high modulus etc. Key attributes of Encord NBR latex is the radomization of acrylonitrile, butadiene in aqueous emulsion, easily and evenly flocculated by salts or specific agents used in beater addition process having an excellent resistance to hydrocarbons, oils and plasticisers with better heat and temperature resistance. It is basically used in Gaskets in cellulosic paper and fibres, in various adhesives and primers, lining pads in automobiles, beater wet adhesion and paper saturation.

Property Encord -301 Encord-302 Encord-303 Standard
1 Appearance Off white Off white Off White
2 Solid Content (%) 39-42 39-42 39-42 ASTM D 1417
3 pH 10-11 10-11 10-11 ASTM D 1417
4 Brookfield Viscosity @ 25ºC (1,60,500) cps 15.0-45.0 15.0-45.0 15.0-45.0 ASTM D 1417
5 Surface Tension (dynes/cm) 50-58 50-58 50-58 ASTM D 1417
6 Mooney Viscosity ML(1+4) @ 100ºC 90-150 120-150 120-150 ASTM D 1417
7 Bound AcN (%) 38.0-40.0 32.0-34.0 23.0-25.0 -

Test methods and MSDS are available on request


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