Technical Parameter Table

Performance Indicator	Standard Value	Test Standard
Tensile Strength	10 - 25 MPa	ASTM D638
Compression	30 - 50%	ASTM F36
Resilience	≥ 40%	ASTM F1314
Permeability	≤ 1×10⁻⁴ ml/min	ASTM F37
Chemical Compatibility	pH 0 - 14	ASTM D543

Product Advantages

1.  Exceptional Sealing Performance:

       Microscopic fibers automatically fill surface imperfections

       Low-stress sealing (effective at ≥ 5 MPa)

       Excellent anti-permeability performance

2.  Unique Material Properties

       100% pure PTFE material

       Contains no binders or additives

       Compliant with FDA certification

3.  Cost-Effective and Practical:

       Can be reused 3-5 times

       No special tools required for installation

       Maintenance-free design

Application Fields

   Chemical Equipment: Reactors, heat exchangers

   Pharmaceutical Systems: Clean piping

   Food Machinery: Filling equipment

   Electronics Industry: High-purity chemical transport

Selection Guide

1.  Standard Type: White, for general applications

2.  Reinforced Type: With fiberglass mesh, higher pressure resistance

3.  Conductive Type: Carbon-filled, anti-static

4.  Food Grade: Ultra-high purity, FDA certified

Installation Key Points

1.  Clean flange surfaces (Ra 3.2-6.3 µm)

2.  No preload compensation required

3.  Recommended initial tightening force: 5-10 MPa

4.  Can be cut into any shape

Precautions

1.  Avoid contact with molten alkali metals

2.  Not suitable for ultra-high vacuum systems

3.  Check thickness before reuse

4.  Use with caution above 260°C

This product is particularly suitable for applications involving highly corrosive media and stringent cleanliness requirements, with a typical service life of 3-5 years. Custom processing services are available for various thicknesses (0.5-10 mm) and shapes based on requirements.

Basic Specification Parameters

Item	Parameter Specification	Test Standard	Remarks
Material	100% Expanded PTFE	ASTM D4894	No Additives
Color	Pure White	-	Custom coloring available
Thickness	| 0.5 - 10 mm	ISO 3302	Tolerance ±0.1 mm
Density	0.6 - 1.2 g/cm³	ISO 1183	Adjustable

Physical Performance Parameters

Performance Indicator	Standard Value	Reinforced Type Value	Test Method
Test Method	10 - 15	15 - 25	15 - 25
Elongation at Break (%)	150 - 250	100 - 180	ASTM D638
Compression (%)	30 - 50	25 - 40	ASTM F36
Resilience (%)	≥ 40	≥ 35	ASTM F1314

Product Series Comparison

Model	Structural Feature	Applicable Pressure	Primary Application
EPT-10	Pure Expanded PTFE	≤ 10 MPa	Standard Sealing
EPT-20	Fiberglass Reinforced	≤ 20 MPa	High-Pressure Flanges
EPT-30	Conductive Carbon-Filled	≤ 15 MPa	Anti-Static Areas
EPT-40	Composite Reinforcement Layer	≤ 25 MPa	Special Conditions

Certification Standards

Certification System	Standard Number	Key Indicator
FDA	21CFR177.1550	Food Grade Compliance
USP	Class VI	Medical Grade Certification
ISO	10993-5	Biocompatibility