NBR
KRYNAC® XL 3355
Pre-crosslinked butadiene-acrylonitrile copolymer, the polymer is used as process aid, such as improving compound extrusion collapse resistance property and banding property on open mill.
Characteristics
Limits
Unit
Testing Method
Mooney Viscosity ML (1+4) 100 ℃ without pre-treatment
55 ± 10
MU
ISO 289/ASTM D 1646
Volatile matter
≤ 0.5
wt %
ISO 248/ASTM D 5668
Acrylonitrile content
33.0 ± 2.5
wt %
ISO 24698-1