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How to determine the quality of the foam seal

foam seal
foam seal

Rubber foam seals play a key role in doors and windows or equipment that are frequently switched. It has the advantages that compact rubber seals do not have, including good resilience, reduced noise from switching or collisions, and better sealing performance. The core of these advantages lies in the foaming uniformity of the rubber sealing strip.

How to judge the uniformity of foaming? Do you need professional equipment? As a preliminary decision, we only need to look at the section and press it by hand. If you feel that the center of the section has a more crowded structure, it means that the performance of this seal is not good.

Don’t be superstitious about the so-called technology index of suppliers, seeing is believing, asking for samples for quality review.