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O style rubber washer material explanation

Name	NBR(R)	SI(S)	VITON(V)	EPDM(E)	CR(C)	PTFE(T)	PU	ACR(A)
Ozone Resistance	X	S	S	S	SG	S	S	S
Heat Resistance	C	S	S	S	S	S	S	S
Chemistry Resistance	120°C	250°C	240°C	150°C	120°C	280°C	120°C	150°C
Oil Resistance	S	SG	S	S	GC	S	S	X
Water Resistance	G	X	G	G	G	S	S	S
Water Resistance	-40°C	-60°C	-40°C	-40°C	-55°C	-100°C	-40°C	-20°C
Cold Resistance	G	X	G	SG	G	S	S	G
Milling Resistance	SG	SG	G	SG	C	X	X	C
Distortion M echanical Resistance	SG	X	SG	SG	C	S	S	C
Acidity Resistance	C	GC	S	G	GC	S	S	X
Tensile force intension	SG	X	SG	SG	G	CX	C	C
electric apparatus	C	G	C	G	C	S	S	C
Water and Steam Resistance	GC	GC	GC	S	C	G	G	X
Burning Resistance	X	C	S	X	G	S	S	X
The deposited time(year)	5-10Y	ABT 20Y	ABT 20Y	5-10Y	5-10Y	ABT 20Y	ABT 20Y	ABT 20Y

S: Speciality

G: Good

C: Common

X: Worst

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