NBR

KRYNAC® M 3340 F

Krynac ® M 3340F is a plasticizer-extended butadiene acrylonitrile copolymer. The base polymer contains 34 weight % of acrylonitrile. It is extended with 52phr of Mesamoll®(ASE, alkyl-sulfonicacidester of phenol).

Characteristics

Limits

Unit

Testing Method

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

33 ± 8

MU

ISO 289/ASTM D 1646

Volatile matter

≤ 0.5

wt %

ISO 248/ASTM D 5668

Acrylonitrile content

22 ± 1.5

wt %

ISO 24698-1

Methanol extract

35.5 ± 2.0

wt %

ML 452