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Comparison Of Raw Material Properties

note： ● excellent   ○ good    ■ medium    ▲ poor    X  low-grade

Silicone rubber
Silicone rubber		 NBR
NBR		 EPDM
EPDM		 CR
CR		 NR
NR		 PU
PU
Hardness Range (Shore A) 10-90 10-95 25-95 20-95 25-95 30-90
Weather Resistance ● X ● ○ ▲ ○
Ozone Resistance ● X ● ○ X ○
Heat Resistance ● ▲ ● ○ X ▲
Low Temperature Resistance ● ▲ ● ○ ○ ○
Acid Resistance ● ○ ● ○ ■ X
Alkali Resistance ○ ○ ● ○ ■ X
Resistance to Mineral Oil X ○ X ○ X ○
Resistance to Vegetable Oil ○ ● ○ ○ ▲ ○
Abrasion Resistance X ● ○ ○ ● ●
Tear Resistance ▲ ○ ▲ ○ ● ●
Strength Properties X ○ ○ ○ ● ●
Compression set ○ ○ ○ ○ ● ●
Impact Resistance ▲ ○ ○ ○ ● ●
Gas Barrier Properties X ▲ ▲ ○ ▲ ○
Flame Resistance ▲ ▲ X ○ X ▲
Electrical Properties ● X ● X ○ ○
Color Stability ● ■ ● X ○ ▲
Tackiness ○ ○ ▲ ○ ● ●
Processability ● ○ ○ ▲ ● X
Water Resistance ○ ○ ○ ○ ● X

Feature

Good Flexibility、Weather Resistance, fragrance white smoke while burning.

Oil Resistance、Weather Resistance、Odor Resistance but no Abrasion Resistance, and it has fume while burning.

Ozone Resistance、Weather Resistance、Antiskid Resistance、Heat Preservation、Anti-aging、Electrical Insulation.

Heat Preservation、Chemical Resistance、Acid and Alkali、Odor Resistance、Poor Recovery、A High-Quality and it has flame-retardant properties、fume while its burning.

Flexibility、High Tensile、Ductility.

High Abrasion Resistance、Anti-aging、Tensile Strength.

Application

Decoration、Seal、Joint、Heat Preservation、Shockproof.

All kinds of Oil Seal、Steam Seal、Industrial Leather、Oil - Resistant Pipe and Speaker Sets.

Anti-skid、Flexibility、Abrasion Resistance、Car Wipes、Foot Pad.

Computer Peripherals、Digital Cameras、Car Air Conditioner、Acoustics.

Tire、Industrial Products、shoes、Hose、Tape.

Gaskets、O-Ring、Wear-Resistance Bearing Sets.