PTFE Extruded /Molded Tube/Filled PTFE TUBE

Ⅰ、Features

Teflon extruded pipe and molded pipe using polytetrafluoroethylene suspension polymerization process. In the known plastic polytetrafluoroethylene has good chemical resistance and dielectric properties.

Ⅱ、Types and Specifications:

Ⅲ、Main Properties

Ⅳ、Applications

  Transmission of corrosive liquids or gases such as hydraulic fluid and fuel in the aerospace industry; high pressure air, fuel and hydraulic transmission in the automotive industry; delivery of chlorine, steam, acid-base organic compounds, etc. in the chemical industry; Purity fluid delivery. As PTFE has the best plastic in the high temperature, low corrosion, anti-aging, high insulation and non-stick advantages.

PTFE Compression-Molded Plate Product Introduction

Product Overview

PTFE Compression-Molded Plate is a high-performance PTFE sheet manufactured through a special compression molding process under 50-100 MPa high pressure. It features ultra-high density and exceptional mechanical properties, making it an ideal choice for sealing and anti-corrosion applications in demanding conditions.

Core Advantages

· Ultra-High Density: 2.20-2.30 g/cm³, 5-8% higher than standard PTFE sheets.

· Exceptional Strength: Tensile strength of 35-55 MPa, twice that of standard PTFE.

· Superior Corrosion Resistance: Withstands all highly corrosive media, including aqua regia and hydrofluoric acid.

· Precision Stability: Linear expansion coefficient reduced by 40%, offering excellent dimensional stability.

Key Parameters

Indicator	Standard Value	High-Density Type
Operating Temperature	-200°C ~ +260°C	-200°C ~ +280°C
Surface Roughness	Ra 0.2-0.8 μm	Ra ≤ 0.1 μm
Compressive Strength	25 MPa	30 MPa
Coefficient of Friction	0.08-0.12	0.05-0.08

Product Specifications

· Thickness: 0.5-100 mm (Standard: 1-50 mm)

· Size: Maximum 2000 × 4000 mm (Customization supported)

· Tolerance: ±0.1 mm (High Precision: ±0.05 mm)

· Types:

  · Standard White Type

  · Black Conductive Type (Carbon Filled)

  · High-Polish Type (Ra ≤ 0.1 μm)

Typical Applications

· High-Pressure Sealing: Chemical pipeline flanges, compressor seals.

· Precision Components: Insulating parts for semiconductor equipment.

· Specialized Fields: Aerospace, nuclear power equipment.

· Corrosion Protection: Linings for strong acid/alkali equipment.

Quality Assurance

· Raw Material: Uses DuPont Teflon® pure resin.

· Process: 50-100 MPa high-pressure compression molding.

· Testing: 100% density testing + spark testing.

· Certification: Complies with ASME, PED, and other international standards.

The PTFE Compression-Molded Plate achieves a significant breakthrough in PTFE material performance through its unique high-pressure compression process, making it particularly suitable for high-end applications with stringent requirements for mechanical strength and dimensional stability.

Core Characteristics

Characteristic	Parameter Performance	Application Advantage
Ultra-High Density	2.25-2.30 g/cm³	Mechanical strength increased by 50% vs. standard PTFE sheet
Corrosion Resistance	Resists all strong acids/alkalis (incl. aqua regia)	Solves sealing challenges in highly corrosive environments
Operating Temperature	-200°C ~ +260°C	Maintains stable performance under extreme temperatures
Dimensional Stability	Linear expansion coefficient reduced by 40%	Preferred for high-precision sealing applications
Surface Properties	Can be polished to Ra ≤ 0.1 μm	Perfect sealing interface

Product Specifications

Basic Performance Parameters

Performance Indicator	Standard Value	High-Density Type	Test Standard
Density (g/cm³)	2.20-2.25	2.25-2.30	ISO 1183
Tensile Strength (MPa)	35-45	45-55	ISO 527
Elongation at Break (%)	250-350	200-300	ISO 527
Compressive Strength (MPa)	25	30	ISO 604
Heat Deflection Temp. (°C / 0.45MPa)	110	120	ISO 75-1

Detailed Specification Parameters

Application Selection Guide

Quality Inspection Standards

Test Item	Test Method	Qualification Standard
Density Test	Water Displacement Method	≥ 2.20 g/cm³
Porosity Test	20 kV Spark Test	No Breakdown
Dimensional Accuracy	CMM Measurement	±0.1% Tolerance
Chemical Stability	168h Immersion Test	ΔWeight ≤ 0.5%

Innovative Technology Parameters

Technology Type	Technical Indicator	Performance Improvement
Nano-Filling	Add 5% Nano-Al₂O₃	Wear Resistance +300%
Gradient Compression	Gradient Compression	Anisotropy Ratio 1.1:1
Surface Modification	Plasma Treatment	Bonding Strength +500%
Intelligent Monitoring	Embedded Fiber Optic Sensor	Real-time Strain Monitoring

Process Characteristics

1. Unique Compression Molding:

   · Pressure reaches 50-100 MPa.

   · Molecular orientation increased by 60%.

2. Sintering Process:

   · Segmented temperature control (380 ±5°C).

   · Crystallinity reaches 75-85%.

Typical Applications

· High-Pressure Sealing:

  · Chemical pipeline flange seals.

  · Compressor seal rings.

· Precision Components:

  · Semiconductor equipment seals.

  · Precision instrument insulating parts.

· Special Conditions:

  · Rocket engine seals.

  · Nuclear power plant valve seals.