Shakti Rubbers
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Gate Seal ,Inflatable Seal,Rubber bellows, Rubber to metal bonded parts, Rubber Gaskets,Rubber Parts, Rubber Expansion Joints, Expansion Joints, PHE Gaskets,  Rubber Liners,  Rubber to Metal Bonded Parts
 
 
Properties of Elastomers
Information presented herein has been compiled from sources considered to be dependable and is accurate and reliable to the best of our knowledge and belief but is not guaranteed to be so. Nothing herein is to be construed as recommending any practice of any product in violation of any patent or in violation of any law or regulation.

PROPERTIES : Natural Rubber Styrene
Butadiene
Ethylene
Propylene
Neoprene Nitrile Silicone Urethane
Rubber
Fluorocarbon

Hardness Range
(Shore A)

20 - 90 40-90 30-90 10-95 20-95 10-85 10A to 80D 50-95
Tear Resistance Good Fair Good Good Fair Poor Excellent Fair
Abrasive Resistance Excellent Good Good Excellent Good Poor Outstanding Good
Compression Set Good Excellent Good Fair to Good Good Fair Good Very Good

Permability to
Gases

Fair Fair Fair to Poor Low Fair Fair Fair Very Low
 RESISTANCE :
Oil and Gasoline Poor Poor Poor Good Excellent Fair Excellent Excellent
Water Absorption Very Good Very Good Excellent Good Fair to Good Good Good @ 70F
Poor @ 212 F
Very Good
Ozone Fair Fair Excellent Excellent Fair Excellent Outstanding Excellent
Sunlight Poor Fair Very Good Very Good Poor Excellent Good Very Good

Temperature
Range (c)

-55 - +90 -50 - +100 -50 - +150 -40 - +100 -40 - +100 -60 - +200 -25 - +100 -20 - +200
 ACID RESISTANCE :
Dilute Fair to Good Fair to
Good
Excellent Very Good Good Fair Poor Excellent
Concentrated Fair to Good Fair to
Good
Good Good Good Fair Poor Excellent
 SOLVENT RESISTANCE :
Aliphatic Hydrocarbons Poor Poor Poor Good Excellent Poor Excellent Excellent
Aromatic Hydrocarbons Poor Poor Poor Fair Good Poor Fair to Good Excellent
Oxygenated (ketones,etc.) Good Poor Good Poor Poor Fair Poor Poor
Lacquer Solvents Poor Poor Poor Poor Fair Poor Poor Poor
Swelling in Lubricating Oil Poor Poor Poor Good Very Good Fair Excellent Excellent
Major Attributes Resilience General
Purpose
General
Purpose
Oil & Gas
Resistance,
Weatherability
Oil Resistance Heat Resistance Abrasion Resistance, Load Bearing Characteristics Heat Resistant, Excellent Solvent & Chemical Resistance
 
Material Hardness Characteristics
NBR 40-90 NBR compounds can exhibit excellent compression set, tear and abrasion resistance, but they do not have good resistance to ozone, sunlight, or weather.
More than 60 kinds of compounds with numerous colors for your choice. Good gasoline resistance, heat and abrasion resistance, lubricated especially, applied to general and edible commodities.
EPDM 40-90 EPDM compounds have excellent resistance to Skydrol and other phosphate ester fluids at higher temperature. They also have excellent resistance to brake fluids and steam.
More than 30 kinds of compounds with numerous colors for your choice. Good brake oil resistance, excellent heat resistance, applied to general and edible commodities.
SILICONE 40-80 Silicone compounds exhibit the best over all temperature range of all currently available elastomers. They have good high temperature and low temperature resistance, but they cannot be used in dynamic applications due to their poor tensile and tear strength. They should be considered to be non-petroleum applications.
More than 30 kinds of compounds with numerous colors for your choice. Good resistance to tear and heat, transparent, applied to general and edible commodities.
FLUOROCARBON 60-80 FLUOROCARBON compounds have excellent resistance to petroleum products, low compression set and high temperature resistance. They are especially good for hard vacuum service and low gas permeability.
More than 30 kinds of compounds with numerous colors for your choice. Good resistance to heat and cold, low resistance to compression set, applied to general commodities.
HYPALON 50-90

Resist to heat, ozone, weathering and oxidizing chemicals. It has good resistance to strong acids at room temperature.

Maximum operating temperature: -500F to 2300F continuous service

POLYURETHENE 40-85

Polyurethane has excellent abrasion resistance and low temperature flexibility, tear resistance, ozone and weathering resistance. Polyurethane has outstanding oil and fuel resistance and is generally resistance to moderate chemicals, fats, diluted acids, and many hydrocarbons.

Maximum operating temperature: -500F to 3000F continuous service