China Jubo Bridge Basin Type Neoprene Rubber Bearings for Bridges, Find details about China Bridge Rubber Bearing, Rubber Shock Absorber Cushion from Jubo Bridge Basin Type Neoprene Rubber Bearings for Bridges
Technical Index | Natural Rubber (-40ºC-60 ºC) | Neoprene Rubber(-25ºC-60ºC) | ||
Hardness(IRHD) | 60±5 | 60±5 | ||
Tensile Strength(MPa) | ≥18 | ≥17 | ||
Elongation at Break(%) | ≥450 | ≥400 | ||
Brittleness Temperature(ºC) | ≤ -50 | ≤ -40 | ||
Compression Set(70ºC×24h)(%) | ≤ 30 | ≤ 15 | ||
Ozone Aging Resistance(20% strain,40ºC × 96h) | 25 pphm | 100 pphm | ||
No Cracks | No Cracks | |||
Hot Air Aging | Test Condition(ºC × h) | 70 × 168 | 100 × 70 | |
Max Change in Tensile Strength(%) | - 15 | -15 | ||
Max Change in Elongation at Break(%) | - 20 | -40 | ||
Max Change in Hardness(IRHD) | -5 , +10 | 0 , +10 | ||
Bond Strength Between Elastomer and Steel Plate(KN/m) | >10 | >10 | ||
Bond Strength Between Elastomer and PTFE(KN/m) | >7 | >7 |