NBR

KRYNAC® 4450 F

Butadiene-acrylonitrile copolymer, cold polymerized, non-staining stabilized, middle cure rate. High bound nitrile suitable for fuel and oil hose application, good process ability.

Characteristics

Limits

Unit

Testing Method

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

50 ± 5

MU

ISO 289/ASTM D 1646

Volatile matter

≤ 0.5

wt %

ISO 248/ASTM D 5668

Acrylonitrile content

43.5 ± 1.5

wt %

ISO 24698-1