Astlett Rubber Inc.: Synthetic Rubber

Polychloroprene Rubber

Key Properties and Characteristics
Durometer (Shore A)	40-90	Tear Strength	G
Specific Gravity (Polymer)	1.24	Flame Retardent Properties	G
Tensile Strength Max-psi (Mpa)	2500 (17.3)	Weathering Characteristics	G to E
Low Temperature Brittle Point (C/F)	-54/-65	Oxidation Resistance	G to E
Resilience	G to E	Ozone Resistance	G to E
Compression Set	F to G	Oil Resistance	G
Heat Aging	G	Acid Resistance	G to E
Abrasion Resistance	G	Resistance to Alkali Substances	G to E
CAS Number 9010-98-4
Key Characteristics Flame and weather resistance.
Further Comments Has a generally good balance of mechanical properties and fatigue resistance, second only to natural rubber, but with superior chemical, oil, and heat resistance. It is widely used in general engineering applications. It is less resistant than natural rubber to low temperature stiffening but can be compounded to improve this property. It has good ozone resistance. It is suitable for use with mineral oils and greases and dilute acids and alkalis, but is unsuitable in contact with fuels. It has generally poorer set and creep than natural rubber.
Legend: P=Poor; F=Fair; G=Good; E=Excellent

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