NBR
KRYNAC® 4975 F
Butadiene-acrylonitrile copolymer, cold polymerized, non-staining stabilized, middle cure rate. Ultra high bound nitrile is suitable for maximum oil and fuel resistance and good abrasion resistance.
Characteristics
Limits
Unit
Testing Method
Mooney Viscosity ML (1+4) 100 ℃ without pre-treatment
75 ± 5
MU
ISO 289/ASTM D 1646
Volatile matter
≤ 0.5
wt %
ISO 248/ASTM D 5668
Acrylonitrile content
48.5 ± 1.5
wt %
ISO 24698-1