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SILICONE vs EPDM

SILICONE vs EPDM

What are the main advantages of silicone?


Silicone shows more excellent resistance to extremes of temperature, high and low, than other polymers.

It can be easily pigmented to a wide range of colors and retains its flexibility over a wide range of temperatures.

Excellent flexibility makes it suitable for many applications: marine, agriculture, automotive, bus and truck, industrial engines, food & pharmaceutical.

Reduces high volume noises passing through.

Reduces vibrations and helps stabilizes joint where silicone is used.

Can be used as precision sealing material, including those in harsh environments.

It can provide thermal insulation to stop unwanted heat from passing through.

Is silicone better than EPDM?


In general, Silicone can be utilized in more applications than EPDM.

Excellent Physical Properties:
++ Extreme Temperature Resistance: Min temperature: -67º F (-55º C), Max temperature: 356º F (+180º C).

++ Extreme Duty Cycle Tested for Hostile Engine Environments, anti-ultraviolet, and ozone, long-life design.

++ Excellent resistance to ozone and oxide erosion. Excellent electrical insulation. Heat insulation and heat dissipation performance. Durable construction for all pressure ranges.

NOTE: Not recommended for use in most concentrated solvents, oils, concentrated acids, and diluted sodium hydroxide.

++ Silicone does not shrink during heating, unlike EPDM which can decrease by 51% when heated over 150℃.

++ EPDM has slightly higher mechanical strength than Silicone but is less resistant to heat and cold.

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