Waterproof Dustproof EPTFE Membrane Pads.
Self-adhesive round EPTFE waterproof membrane pads with black ring. Waterproof, dustproof, breathable, and pressure equalizing. Ideal for earbuds, speakers, wearables, and electronic instruments. High durability with strong adhesive and chemical resistance.
Self Adhesive Round EPTFE Waterproof Breathable Membrane for Electronic Pressure Equalization & Dust Protection
Material & Structure
Made of high-quality EPTFE breathable membrane with strong self-adhesive glue and yellow release liner. Black ring positioning design with precise die-cutting, easy application after peeling off backing paper.
Key Features
Excellent waterproof, dustproof and venting performance. Block liquid water and fine dust while equalizing internal-external air pressure to prevent shell bulging or water damage caused by thermal expansion.
Wide Application
Widely used for Bluetooth earbuds, smart watches, speaker drivers, car sensors, precision instruments, charging cases and small home appliances.
Durability
High temperature & chemical resistance, sweat-proof and aging-resistant. Strong adhesive keeps pads firmly attached under normal working environment.
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