Carboxylated nitrile rubber Carboxylated nitrile rubberCarboxylated nitrile rubber NIPOL CARBOXY LATED NITRILE Carboxylated nitrile rubber by the butadiene, acrylonitrile, and organic acids (acrylic acid, methyl acrylic acid, ) copolymer 1, the physical indicators:Model 1072 1072CG 3350X Acrylonitrile 272726-28 Mooney viscosity 48-63 22-3540-55 Features Uses strong adhesive wear special seals, rubber roller, adhesives The introduction of carboxyl group in the nitrile rubber can improve the tensile strength, tear strength, hardness, wear resistance, adhesion and resistance to ozone aging, in particular, can improve the tensile strength at high The introduction of carboxyl nitrile rubber molecules can also enhance the polarity, increased with the PVC, phenolic resin Carboxylated nitrile rubber and nitrile rubber ordinary performance comparison the following table:2, reference formula: Carboxylated nitrile rubber NBR N41 Formula A Formula B Formula B Raw Rubber 100 100 100 Stearic acid 1 1 1 Zinc oxide 3 55 TMTD 3 3 Carbon black 50404 million Sulfur 5 5 Note: (curing conditions of 155 ℃ * 45 minutes)3, room temperature properties: Tensile strength mpa 7 (5750) 8 (3880) 2 (2640) 100% modulus mpa 2 (320) 3 (1350) (490) Elongation at break,% 28027 million Shore A hardness 738,572 Compression (100 ℃ * 70H),% 95 20 11Tear Strength kn / m 8 3 35 4, high temperature 120 ℃ under the performance:Tensile strength mpa 1 (190) 59 (2260) 79 (840) Elongation at break,% 1,000,290,160 Tear Strength kn / m 7 (40) 02 (120) 01 (80)5, the application scope: carboxylated nitrile rubber can be used alone, but also with other elastomers and use, mainly for rubber hose, adhesive tape seals, O-ring, rubber roller, rubber shoes and all kinds of mold products, well designed products, ring Toughening of epoxy resin adhesives and production of high-performance products, special