Rubber-Elastomers
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  RUBBER
Natural (NR) and
Red (SBR)


 

NATURAL RUBBER
The NR rubber offers good resistance to inorganic acids, ammonia, weak acids and alkali; low resistance to oil, solvents and chemical compounds. It ages due to ozone attack losing its strength and characteristics; not recommended for use in applications exposed to sun and oxygen. It has good mechanical and friction resistance but very limited temperature range.


SERVICE LIMITS
Thickness
(Inches)
Width
(Inches)
Durometer
Hardness
Shore A 5
Tensile Elongation Temp Finish Specifications
1/16 thru 1 36 & 48 40 3000 600 -20 F to
+140 F
Smooth ASTM D-2000
SAE J200,
1AA 430



RED RUBBER (STYRENE-BUTADIENE - SBR)
SBR rubber commonly called "synthetic rubber" was developed as an alternative to the natural rubber. Recommended for service in cold and hot water, air, steam and some weak acids. It should not be used with strong acids, oils, grease and chlorates. It offers little resistance to ozone and to the majority of hydrocarbons.


SERVICE LIMITS
Thickness
(Inches)
Width
(Inches)
Durometer
Hardness
Shore A 5
Tensile Elongation Temp Finish Specifications
1/32 thru 1/4 36, 48 75 400 150 -20 F to
+170 F
Smooth ASTM D-1330
Grade II
ASTM D-2000
Type AA
*Also available in black on request.
Also available in fabric finish upon request

Edmonton

Hopewell Business Park
#4,  3110-51 Avenue NW
Edmonton, AB   
T6P 0E1

P 780.463.4049
F 780.461.7009
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Calgary

Building B - Bay 25
2419 52 Avenue SE
Calgary, AB     
T2C 4X7

P 403.279.7007
F 403.279.7992
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