Expanded PTFE Gasket Sheets (ePTFE) | Premium Sealing Solution from China

Industrial sealing environments demand materials that can adapt to imperfections without compromising integrity. Traditional filled PTFE or rubber gaskets often fail when faced with pitted, warped, or out-of-flat flanges (especially exceeding 0.8 mm deviations).

100% Virgin Expanded PTFE Sheets (ePTFE) are manufactured through a highly controlled, multi-directional biaxial stretching process. This creates a unique micro-porous structure that transforms rigid PTFE into a soft, highly compressible sealing material. It literally "eats" surface defects, offering over 45% compressibility and achieving a leak-free seal at incredibly low bolt torques (typically 15–20 N·m). Say goodbye to cold flow and creep relaxation issues.

Why Source ePTFE Sheets from Our Factory?

As a leading expanded PTFE sheet manufacturer in China, we bridge the gap between world-class engineering quality and factory-direct pricing. We do not just trade; we produce. Our advanced clean-room manufacturing lines and rigorous quality control systems ensure every sheet meets international industrial standards. Whether you need standard metric plates or custom imperial cuts, our factory guarantees density consistency and zero porosity.

Dual-Market Dimension Standards: Metric & Imperial

We stock and manufacture dimensions engineered to minimize waste for CNC gasket cutting machines globally. From continuous thin rolls to thick molded plates, we cater to both Metric (European/Asian) and Imperial (North American) requirements.

1. Metric Sizes (Focus on 1500x1500mm / 1500x4500 / 1800x1800mm / 1800x5400mm ): The global golden standard for maximum gasket yield. Available thicknesses range from 0.5mm to 10mm. Popular choices for industrial procurement include 1.5mm, 3mm, and 5mm thick plates.
2. Imperial Sizes (US Standard): We supply high-demand fractions including 1/16", 1/8", 3/16", and 1/4". Available in standard 48" x 48" sheets or continuous 60" width rolls. Cut-to-size services are fully supported for fast deployment.

Expanded PTFE Technical Specifications

Frequently Asked Questions & Buyer's Guide

1. How is your expanded PTFE priced? Can I get a price per KG?

Yes. While ePTFE sheets are typically quoted per piece/sheet due to their fixed dimensions (e.g., a standard 1500x1500x3mm sheet has a specific weight), we fully accommodate wholesale buyers who prefer pricing per KG. Contact our sales team with your volume requirements for the most competitive factory-direct quotation.

2. Can it be die-cut or punched easily?

Absolutely. Thin ePTFE sheets (0.5–3 mm) can be easily cut using standard steel-rule dies. For thicker profiles (4–10 mm), we recommend CNC routing or waterjet cutting for precise, clean edges. The material's soft nature prevents tool wear and tear.

3. Do you offer an adhesive-backed version for easy installation?

Yes. For large flanges or vertical installations where positioning is difficult, we can supply expanded PTFE sheets with an industrial-grade adhesive backing on one side.