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Hose Stock Types

Comparison of hose stock types

Chemical name	Neoprene	Nitrile (Buna-N)	Butyl	Hypalon	EPDM	CPE
ASTM-SE designation	SC	SB	R	TB	R	None
SAE J14 & SAE J200	BC	BG	AA	CE	AA	None
Flame resistance	Very good	Poor	Poor	Good	Poor	Good
Petroleum base oils	Good	Excellent	Poor	Good	Poor	Very good
Diesel fuel	Good to excellent	Excellent	Poor	Poor	Poor	Very good
Resistance to gas permeation	Good	Good	Outstanding	Good to excellent	Fair to good	Good
Weather	Good to excellent	Poor	Excellent	Very good	Excellent	Good
Ozone	Good to excellent	Poor for tube Good for cover	Excellent	Very good	Outstanding	Good
Heat	Good	Good	Excellent	Very good	Excellent	Excellent
Low temperature	Fair to good	Poor to fair	Very good	Poor	Good to excellent	Good
Water-oil emulsions	Excellent	Excellent	Good	Good	Poor	Excellent
Water-glycol emulsions	Excellent	Excellent	Excellent	Excellent	Excellent	Excellent
Diesters	Poor	Poor	Excellent	Fair	Excellent	Very good
Phosphate esters	Fair for cover	Poor	Good	Fair	Very good	Very good
Phosphate ester based emulsions	Fair for cover	Poor	Good	Fair	Very good	Very good

Medium: