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Expanded Polytetrafluoroethylene (ePTFE) is a highly versatile, porous form of polytetrafluoroethylene (PTFE), a synthetic fluoropolymer of tetrafluoroethylene, which is chemically inert and widely known under brand names like Teflon. Unlike traditional PTFE, ePTFE is produced through a specialized expansion process that involves stretching PTFE under controlled conditions to create a microporous, fibrous structure. This 3D network of interconnected nodes and fibrils gives ePTFE unique physical and mechanical properties, making it distinct from its solid PTFE counterpart.
Main Technical Indicators
Compressibility: 45±5%
Rebound rate: ≥10%
Sealing leakage rate: ≤1.0×10⁻³ cm³/s
Density: 0.7–0.9 g/cm³
Product Specifications
Available in different sizes, including:
Standard Sizes: 1500×1500mm, 1500×4500mm, 1800×1800mm, 1800×5400mm
Thickness Range: 0.5mm-10mm
Advantages
✅ Excellent chemical resistance
✅ Soft, flexible, and requires light clamping force to seal
✅ Easy to cut, can be handled with normal scissors or knives
✅ High-intensity, fibrous, 3D structure that significantly reduces cold flow and creep
Applications
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Seller
Year Established:
2014
Total Annual:
15000000-25000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Shenzhen Teflon New Material Technology Co., Ltd. is a leading manufacturer and supplier of high-performance fluoroplastic raw materials, semi-finished products, and raw material solutions in China, with over 10 years of production experience. Our customers span various industries, including aerospa... Shenzhen Teflon New Material Technology Co., Ltd. is a leading manufacturer and supplier of high-performance fluoroplastic raw materials, semi-finished products, and raw material solutions in China, with over 10 years of production experience. Our customers span various industries, including aerospa...
