yh533388银河(中国)股份有限公司

Sponge for silent tires

Description

Polyurethane silent cotton, brand new noise reduction technology

The core of silent cotton tires is polyurethane sound insulation foam, which is a polymer compound.

It has the advantages of wear resistance, low temperature resistance and aging resistance. At the same time, the performance of the elastomer is between plastic and rubber. With special silicone bonding technology, it can efficiently absorb sound and reduce the noise of automobile tires.


Additional Information

Technical parameters

Inspection categoryunitDetection index
Densitykg/m332±3
Tensile strengthMPa≥0.13
Tensile rate at break%≥100

Rate of change of tensile strength due to thermal aging
Constant temperature for 22 hours at 70℃

±20%
Wet dimensional stability 30±2℃,95RH%,72±2HR±2%
Dry dimensional stability 105±2℃,72±2HR±2%

Product Application

轮胎