Productscpzx
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
| Parameter | Standard Specification | Customizable Options |
| Thickness | 1 mm - 50 mm | 0.5 mm - 100 mm |
| Size | 600 × 1200 mm | Up to 2000 × 4000 mm (Max) |
| Tolerance | ±0.1 mm (≤10 mm thick) | ±0.05 mm (High Precision) |
| Color | Standard White | Black (Carbon Filled) |
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
| Parameter | Standard Specification | Customization Range | Machining Tolerance |
| Thickness (mm) | 1-50 | 0.5-100 | ±0.1mm (≤10mm) |
| Length (mm) | 1200 | 500-4000 | ±5mm |
| Width (mm) | 600 | 300-2000 | ±3mm |
| Surface Roughness (μm) | Ra 0.2-0.8 | Ra 0.05-0.1 | — |
Application Selection Guide
| Application Scenario | Recommended Model | Key Parameter Requirements |
| High-Pressure Sealing | HD-10 | Thickness ≥ 10 mm |
| Precision Instruments | HP-3 | Ra ≤ 0.1 μm |
| Corrosive Media | CD-5 | Density ≥ 2.25 g/cm³ |
| Conductive Situations | CB-6 | Resistance < 10⁶ Ω |
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.
