Introduction to the New Copolymer of Chloroprene and Acrylonitrile with Differentiated Properties

Table 5

Resistance to volume swelling (, %) of vulcanizates of acrylonitrile-chloroprene rubber (NCR), chloroprene rubber (CR), and nitrile rubber (NBR).

Fluids	Test conditions	NCR	CR	NBR
IRM 901		-5%	+3%	-8%
IRM 903		+21%	+52%	2%
Engine oil		-4%	+2%	-7%
Fuel C		+58%	+71%	+38%
Ethanol		+3%	-2%	+10%
Gasohol		+61%	+59%	+68%