Expanded PTFE Sheet - High-Quality Gasket Material
Expanded PTFE Sheet - High-Quality Gasket Material
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Product Specifications:
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Dimensions: Available in a variety of sizes.
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Thickness Options: 1.5mm, 3mm, 6mm (special order).
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Temperature Resistance: Up to 1100°C (2012°F).
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Chemical Compatibility: Highly resistant to acids, alkalis, and other aggressive substances.
Key Features:
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High Compressibility: Conforms easily to irregular or rough surfaces, ensuring a secure seal.
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Durable Performance: Life expectancy exceeds 30 years in most environments.
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Certified Safe: Approved for food contact; meets FDA, BAM, and ASTM F36 standards.
Applications by Industry:
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Chemical Processing: Ideal for gaskets and seals in corrosive environments.
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Automotive: Used in high-performance seals and filters with excellent resistance.
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Aerospace: Suitable for components requiring heat and chemical tolerance.
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Medical Devices: Provides hygienic, reliable sealing for sensitive equipment.
Customer Testimonials:
"The PTFE sheets improved our sealing processes significantly. Highly recommend!" – Michael T.
"They performed exceptionally well in harsh chemical conditions." – Emily R.
"Top-notch quality for our automotive needs." – David P.
"Perfect for aerospace applications. Reliable and durable." – Lisa M.
"Ideal for medical devices—safe and effective." – Mark S.
"Our equipment performance improved with these seals." – Karen W.
"Outstanding customer service and product quality." – James H.
"Meets all our specs for high-performance filters." – Rachel B.
Frequently Asked Questions (FAQs):
Q1: What is Expanded PTFE?
Expanded PTFE (ePTFE) is a flexible, compressible material made from 100% PTFE. It's known for excellent chemical, heat, and pressure resistance.
Q2: What makes Expanded PTFE unique?
It offers superior compressibility, high-temperature resistance (up to 1100°C), and long-term durability—ideal for irregular surfaces and extreme conditions.
Q3: Where is Expanded PTFE used?
Common in chemical plants, aerospace systems, automotive parts, and medical devices—anywhere a secure, high-performance seal is needed.
Q4: Is it food-safe?
Yes. It meets FDA and BAM standards for food-grade applications.
Q5: How does it handle chemicals?
Exceptionally well—resistant to a broad range including strong acids and bases.
Q6: What sizes are available?
Sheets come in various dimensions and in thicknesses of 1.5mm, 3mm, and 6mm (special order).
Q7: How is it installed?
Clean the surface, cut to size, and press into place. Adhesive use is optional depending on the need.
Q8: Is it suitable for medical devices?
Yes, thanks to its hygienic properties, chemical stability, and biocompatibility.
Q9: Can it be used in high heat environments?
Absolutely—it's rated for continuous exposure up to 1100°C (2012°F).
Q10: Where can I buy it?
Directly from The Seal Extrusion Company, with global export available upon request.
Case Studies & Advanced Uses:
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Expanded PTFE Tubing by Poly Fluoro:
Innovated solutions for handling the complexities of PTFE extrusion and stretching, delivering consistent tubing performance. -
Cross-Directional Gasket Tape:
Developed to overcome mono-axial tape limitations—ideal for applications requiring frequent disassembly. -
Ayodhya Railway Station Bridge:
PTFE sheets were used for gaskets in a major infrastructure project, ensuring long-term performance under stress.
Certifications:
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FDA: Safe for food contact.
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BAM: Approved for use with gaseous and liquid oxygen in flanged connections.
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ASTM F36 & F38: Compliance with compressibility and creep relaxation standards.
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EN 10204:2004: Declarations of conformity for industrial and mechanical use.


