Filled PTFE Sheet
Yancheng Tongtong Fluorine Plastic Manufacturing Co., Ltd. proudly offers premium-grade Filled PTFE Sheets that combine the superior chemical resistance of virgin PTFE with enhanced mechanical and wear properties provided by various fillers. Engineered for demanding industrial environments, these high-performance sheets are ideal for sealing, insulation, and gasketing applications where conventional materials fail. Filled PTFE sheets are manufactured by incorporating advanced fillers such as glass fiber, carbon, graphite, bronze, or MoS₂ into pure PTFE resin. This fusion results in composite sheets with increased strength, reduced deformation, and improved dimensional stability under load and temperature.

Product Features
- Enhanced Wear Resistance: Fillers improve load-bearing capability and reduce cold flow.
- Excellent Chemical Resistance: Inert against most acids, alkalis, and solvents.
- Thermal Stability: Reliable performance from -180°C to +260°C.
- Electrical Insulation: Maintains non-conductivity with certain fillers.
- Low Coefficient of Friction: Ideal for dynamic applications.
- FDA and RoHS Compliant Options Available
Technical Parameters
| Name | Filled PTFE Sheet |
| Thickness Range | 0.5mm – 50mm |
| Width & Length | Standard 1000mm x 1000mm / 1500mm x 1500mm (custom sizes on request) |
| Density | Varies by filler type (2.1 – 3.5 g/cm³) |
| Tensile Strength | Up to 20 MPa (depending on formulation) |
| Compressive Strength | Up to 200 MPa |
Product Applications
Filled PTFE Sheets are widely used across diverse industries where pure PTFE lacks certain mechanical properties:
- Petrochemical & Oil Refining: Gaskets and seals for flanged joints
- Pharmaceutical Manufacturing: FDA-compliant sealing surfaces and liners
- Aerospace & Defense: Heat-resistant insulation and bearing pads
- Semiconductor Processing: Anti-static components using carbon/graphite-filled PTFE
- Food & Beverage Industry: Molded and machined FDA-safe parts
Customization Options
Yancheng Tongtong supports a wide range of custom fabrication for Filled PTFE Sheet orders:
- Filler Type: Glass fiber, carbon, graphite, bronze, molybdenum disulfide (MoS₂), or custom blends
- Color Coding: Custom sheet colors available based on filler type
- Cut-to-Size Service: CNC or manual cutting based on customer drawings or specifications
- Surface Finish: Smooth, etched (for bonding), or textured surfaces available
- Performance Tuning: Tailored mechanical or dielectric properties for specialized applications
Quality Control
At Yancheng Tongtong, every Filled PTFE Sheet goes through stringent quality assurance protocols:
- Raw Material Control: Only certified virgin PTFE and high-purity fillers are used
- ISO 9001:2015 Certified manufacturing system
- In-Process Inspection: Dimensional, density, tensile, and compression tests
- Third-Party Testing: SGS, RoHS, FDA, and REACH compliance on request
- Lot Traceability: Complete production history available for every batch
Packaging & Logistics
To ensure safe and clean delivery of your Filled PTFE Sheets, we provide:
- Standard Packaging: Sheets covered with protective film and packed in wooden or reinforced cartons
- Moisture Control: Silica desiccant and sealed wrapping for humid environments
- Marking & Labeling: Product type, size, filler, batch number, and quality control stamp
- Logistics Support: Worldwide shipping with export documents, MSDS, and COA included
After-Sales Service
Customer satisfaction is a key value at Yancheng Tongtong:
- Warranty: 12 months from the delivery date under standard use conditions
- Technical Guidance: Application support for filler selection and sheet machining
- Replacements & Returns: Prompt assistance in the case of defective or mismatched goods
- Response Time: All inquiries answered within 24 hours by our experienced export team


FAQ
Q1: What is a Filled PTFE Sheet used for?
A: A filled PTFE Sheet is used where enhanced mechanical strength, thermal resistance, or wear properties are needed, such as in gaskets, sliding pads, and insulation components.
Q2: What types of fillers are available for Filled PTFE Sheets?
A: We offer glass fiber, carbon, graphite, bronze, MoS₂, and hybrid fillers depending on your application requirements (e.g., anti-static, high wear resistance, thermal conductivity).
Q3: Can I request a customized size or filler ratio?
A: Absolutely. We support fully customized dimensions, thicknesses, and filler compositions to meet your specific design needs.
Q4: Are your Filled PTFE Sheets food grade or FDA approved?
A: Yes, certain formulations of our Filled PTFE Sheets are FDA-compliant and suitable for food, beverage, and pharmaceutical use.
Q5: How do you package the sheets to prevent deformation during shipping?
A: We use rigid crate packaging with internal bracing and corner protection to prevent warping, impact damage, or moisture exposure during transit.
Need high-performance Filled PTFE Sheets for your next project?
Send us your specifications or drawings today-our expert team will respond with a competitive quote within 24 hours!
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