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Metal Bonded Rubber Pad for Side Bearer

Technology: Transfer/Injection Moulding

Note: Design, Dimension & Properties can be changed to suit customer's requirement.

Polymer used

Natural Rubber suitably blended

Operation Temperature

-10ºC to 70ºC

Operational Atmosphere

Heavy/Dusty/Sandy/Corrosive/Salty

Operational Humidity

0 to 100%

Metal Parts Spec (Top)

Steel IS:2062-Fe 410 WA

Metal Parts Spec (Insert)

Steel IS: 1079 Grade 'O'

Properties of Elastomer

Shore A Hardness

55 to 65 

Specific Gravity

1.22 Maximum

Tensile Strength

225 Kg/cm2 Minimum.

Elongation at Break

400% Minimum.

Compression Set

20% Max.

Bond Strength

600 PSI / 42.18 Kg/cm2

After Heat Ageing

 

Change in SH

+5, -0

Change in TS

±20%

Change in EB

+10%, -30%

 

Compressive Load - Deflection Characteristics

Test Parameters: Temperature: 27±2ºC & Machine Speed 10 ± 5 mm/min, Dead Load 50 Kg
Load 2.25 Ton - Deflection 10 to 12 mm

Fatigue Test - Vertical Mode

Frequency: 2 Hz
Load: 0 - 3.5 Ton
Cycle: 10,00,000 Minimum
Permanent Set after test completion 1.5 mm Maximum

Fatigue Test - Longitudinal Mode

Frequency: 2 Hz
Pre-compression: 2.5 Ton
Deflection: 0 - 27 mm
Cycle: 10,00,000 Minimum
Permanent Set after test completion 1.5 mm Maximum

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