RUBBER SELECTION MATRIX
PRIMARY CONSIDERATION
	MINIMUM MATERIAL COST	HIGH STRENGTH	OIL RESISTANCE	WEAR RESISTANCE	HIGH HARDNESS	HEAT RESISTANCE	RESILIENCE	WEATHER RESISTANCE
MINIMUM MATERIAL COST		1 NR	1 NBR	1 SBR, NR	1 NR	1 EPDM	1 IR	1 EPDM
		2 CR	2 CR	2 NBR/PVC, AU,	2 SBR	2 CSM	2 NR, BR	2 CR, IIR
		3 AU, EU	3 AU, EU	EU	3 CR	3 IIR	3 CR	3 CSM
HIGH STRENGTH	1 NR, SBR		1 AU, EU	1 AU, EU	1 AU, EU	1 EPDM	1 AU, EU	1 AU, EU
	2 EPDM, IIR		2 NBR, T, ACM	2 NR	2 NR	2 CSM, IIR	2 NR, IR	2 CR
	3 BR			3 CR	3 SBR, CR, IIR		3 CR	3 EPDM, IIR
OIL RESISTANCE	1 NBR	1 AU, EU		1 NBR, NBR/PVC,	1 AU, EU	1 CSM, ACM	1 AU, EU	1 SI, T, ACM
	2 CR	2 NBR		AU, EU	2 NBR, ACM	2 NBR, AU, EU	2 CR	2 CR, CSM
	3 T	3 CR		2 CR, ACM	3 CSM, CR		3 NBR, ACM
WEAR RESISTANCE	1 SBR, IR	1 AU, EU	1 NBR, AU, EU		1 AU, EU, NR,	1 EPDM,SI, CR	1 NR, BR, CR	1 CR, AU, EU
	2 EPDM	2 NR, SBR	2 CR, ACM		SBR	CSM, ACM,	AU, EU, IR	2 EPDM, CSM,
	3 NR, BR	3 CR			2 CR, NBR/PVC	IIR		IIR, ACM
SECONDARY
HIGH HARDNESS	1 SBR, NR	1 AU, EU	1 AU, EU	1 AU, EU		1 CSM, EPDM	1 NR, AU, EU	1 AU, EU
	2 EPDM	2 NR	2 NBR, ACM	2 SBR, NR		2 ACM, IIR	2 CR	2 CR, CSM, IIR
	3 IR	3 CR		NBR/PVC			3 IR, BR
HEAT RESISTANCE	1 EPDM	1 EPDM	1 NBR, SI, T	1 NR, SBR, CR	1 AU, EU, NR,		1 NR, CR, AU,	1 EPDM, CSM,
	2 SBR, IR	2 NR	2 ACM	NBR, IR, BR	SBR, IIR		EU, IR, BR	SI, ACM, IIR
	3 NR, BR	3 AU, EU		2 IIR
RESILIENCE	1 NR, SBR, BR	1 AU, EU	1 AU, EU	1 NR, IR, BR	1 AU, EU, NR	1 EPDM, CSM,		1 CR, AU, EU
	2 IR	2 NR	2 NBR, T, ACM	2 CR, AU, EU	2 CR	SI, ACM, IIR		2 CSM, SI, T,
	3 EPDM	3 CR						ACM, IIR
WEATHER RESISTANCE	1 EPDM	1 CR	1 AU, EU, T	1 AU, EU, CR,	1 AU, EU, CR	1 EPDM, CSM	1 CR, AU, EU
	2 SBR, IR	2 AU, EU	ACM	NBR/PVC	IIR	ACM, IIR	2 NR, IR, BR
	3 NR, BR	3 NR		2 NR, NBR, SBR	2 NR, SBR		3 EPDM
				KEY
	AU	MILLABLE URETHANE - POLYESTER			IIR	BUTYL
	ACM	POLYACRYLATE			IR	POLYISOPRENE
	BR	POLYBUTADIENE			NBR	NITRILE
	CR	POLYCHLOROPRENE (NEOPRENE)			NBR/PVC	NITRILE / PVC BLEND
	CSM	CHLOROSULFONATED POLYETHYLENE (HYPALON)			NR	NATURAL RUBBER
	EPDM	ETHYLENE PROPYLENE DIENE RUBBER			SI	SILICONE
	EU	MILLABLE URETHANE - POLYETHER			T	POLYSULFIDE (THIOKOL)