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The difference between EPDM rubber and silicone rubber
Time: 2022-05-21 10:25:11     Copyfrom: SuZhou Volsun Electronics Technology Co.,Ltd.

We will list the difference between EPDM rubber and silicone rubber here.We will talk from different aspects. 

1. Processing: silicone rubber is better than EPDM rubber.
2. Temperature resistance: silicone rubber has better temperature resistance, EPDM rubber has a temperature resistance of 150 °C, and silicone rubber has a temperature resistance of 200 °C.
3. Weather resistance: EPDM rubber has better weather resistance and the rubber itself is environmentally friendly, but in a humid environment, EPDM rubber is less likely to breed bacteria.
4. In terms of expansion ratio of shrinkage ratio: Now the shrinkage ratio of silicone rubber cold shrinkable tube is higher than that of EPDM rubber cold shrinkable tube.It is 5:1 shrink ratio.
5. Differences in combustion: When burning, silicone rubber will emit a bright fire, almost no smoke, no odor and white residue will be left after burning. EPDM rubber, there is no such phenomenon.
6. In terms of tear and puncture resistance: EPDM rubber is better.

7. Other aspects: EPDM rubber has good ozone resistance and high strength,high hardness, but poor low temperature brittleness; while silica gel has good elasticity and low temperature resistance; but the ozone resistance is general and the strength is low.

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