NBR

KRYNAC® 4955 VP

Butadiene-acrylonitrile copolymer, cold polymerized, non-staining stabilized, slow cure rate. Ultra high bound nitrile, middle mooney NBR, especially slow cure rate grade is applied to big size injection molding product.

Characteristics

Limits

Unit

Testing Method

Mooney Viscosity ML (1+4) 100 ℃ without pre-treatment

55 ± 7

MU

ISO 289

Volatile matter

≤ 0.5

wt %

ISO 248

Acrylonitrile content

48.5 ± 1.5

wt %

ISO 24698-1