Nitrile Butadiene Rubber HLN40-1 1,full crosslink 2,very friction materials 3,mainly used in brake pads and linings Property:Physical Form White or little yellow powder Mooney ViscosityML1001+4 100-150 Bound ACN Content,% 36-40Sifting Rate(0.90)mm,% ≥98Voilatiles,% ≤1Application: HLN 40- mainly used in friction materialsPackage: 20 kg/carton (2 plastic bags/carton