NBR
KRYNAC® X 740
Carboxylated butadiene-acrylonitrile terpolymer, cold polymerized, non-staining stabilized, bound carboxylic acid 7%, excellent abrasion resistance.
Characteristics
Limits
Unit
Testing Method
Mooney Viscosity ML (1+4) 100 ℃ without pre-treatment
38 ± 4
MU
ISO 289/ASTM D 1646
Volatile matter
≤ 0.5
wt %
ISO 248/ASTM D 5668
Acrylonitrile content
26.5 ± 1.5
wt %
ISO 24698-1