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Choosing the Right Seal: A Guide to Weatherstrip EPDM Materials

2025-10-29

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Choosing the Right Seal: A Guide to Weatherstrip EPDM Materials

1. EPDM Rubber: The Industry Standard

Ethylene Propylene Diene Monomer (EPDM) is the most widely used material for weatherstripping, and for good reason.

 

Excellent Weather Resistance: EPDM boasts outstanding resistance to ozone, UV radiation, and extreme temperatures (typically from -40°C to +125°C). This makes it incredibly durable against sun cracking and weathering.

 

Good Flexibility and Compression Set: It maintains its elasticity over time, ensuring a consistent seal after repeated compression cycles.

 

Cost-Effective: It offers a superior balance of performance and cost, making it the go-to choice for high-volume applications like automotive door seals and residential window seals.

 

Ideal for: Automotive sealing systems (doors, windows, trunks), architectural window and door seals, and industrial applications. It is the default choice for most standard scenarios.

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