Expanded PTFE Sheet
Model:KXT B302
Kaxite expanded PTFE sheet as similar as GORE, KLINGER, TEADIT,etc. It is a universal sheet gasket material for most services, seals rough and irregular surfaces.
KXT B302 Expanded PTFE Sheet is a high-performance gasket sheet made from 100% virgin PTFE. It delivers reliable sealing across pH 0–14, operates from -240°C to +260°C, and handles pressures from full vacuum to 19 MPa. With 45% compressibility, 35–36% creep relaxation, and 0.15 ml/hr nitrogen sealability, it conforms to irregular flange surfaces where standard PTFE Sheet fails. FDA-compliant and ISO 9001:2015 certified, it is widely used in petrochemical, chemical, food, pharmaceutical, paper, steam, water, and pump applications. Available from Kaxite – a leading China manufacturer and supplier of EPTFE Gasket Sheet, PTFE Sheet, and PTFE Gasket products. Request a quote →
KXT B302 Expanded PTFE Sheet – High-Performance Sealing Sheet for Aggressive Chemicals
The KXT B302 Expanded PTFE Sheet is manufactured from 100% virgin PTFE and expanded into a soft, highly compressible sheet structure. It is comparable to GORE, KLINGER, and TEADIT expanded PTFE materials, and is designed as a universal sheet gasket for most industrial sealing services. Produced by Kaxite, a professional China factory specializing in high-quality sealing materials, this Expanded PTFE Sheet conforms tightly to rough, irregular, or damaged flange surfaces while maintaining excellent chemical resistance.
With excellent resistance to aggressive chemicals from pH 0 to 14, outstanding creep and cold-flow resistance, and FDA-compliant material, KXT B302 is an ideal sealing solution for petrochemical, chemical processing, food and beverage, pharmaceutical, paper, medical, pneumatic, water, steam, and pump systems. As a Compression Sheet and Gasket Material, it is suitable for a wide range of flange sealing applications. Order yours today – available in standard sheets or custom-cut gaskets with factory-direct pricing.
KXT B302 Expanded PTFE Sheet – soft, compressible, and adaptable to irregular flange surfaces.
KXT B302 Expanded PTFE Sheet installed on a steel flange in a chemical processing line.
Key Features of KXT B302 Expanded PTFE Sheet
Direct answer: KXT B302 offers eight core advantages: 100% virgin PTFE, expanded compressible structure, pH 0–14 chemical resistance, FDA compliance, wide temperature range, low creep, easy installation, and long shelf life.
- 100% Virgin PTFE – Made from pure PTFE resin with no fillers.
- Expanded Structure – Soft and highly compressible for irregular sealing faces.
- Excellent Chemical Resistance – Suitable for aggressive chemicals from pH 0 to 14.
- Low Creep & Cold Flow – Superior dimensional stability under load.
- FDA Compliant – Suitable for food, beverage, and pharmaceutical applications.
- Wide Temperature Range – Operates from -240°C to +260°C.
- Easy to Cut & Install – Clean cutting and simple flange installation.
- Non-Aging & Long Shelf Life – Stable material with unlimited shelf life under proper storage.
Technical Specifications – KXT B302 Expanded PTFE Sheet
Direct answer: KXT B302 has a density of 0.75–0.95 g/cm³, 45% compressibility, 12–13% recovery, 35–36% creep relaxation, and 0.15 ml/hr nitrogen sealability. It operates from -240°C to +260°C and full vacuum to 19 MPa.
| Parameter | Value |
|---|---|
| Model | KXT B302 |
| Product Type | Expanded PTFE Sheet |
| Material | 100% Virgin PTFE |
| Color | White |
| Density | 0.75–0.95 g/cm³ (ASTM D792) |
| Standard Sheet Size | 1500 mm × 1500 mm |
| Thickness | 0.5–6 mm |
| Operating Temperature | -240°C to +260°C |
| Service Pressure | Full vacuum to 19 MPa |
| Compressibility | 45% (ASTM F36) |
| Recovery | 12–13% (ASTM F36) |
| Creep Relaxation | 35–36% (ASTM F38) |
| Sealability (Nitrogen) | 0.15 ml/hr (ASTM F37B) |
| Sealability (Fuel A) | 0.02 ml/hr (ASTM F37B) |
| Tensile Strength | 16–17 MPa (ASTM D638) |
| Chemical Resistance | Excellent, suitable for pH 0–14 |
| Food Compliance | FDA compliant |
| Applications | Petrochemical, chemical, food, pharmaceutical, paper, medical, steam, water, pump and flange sealing |
KXT B302 vs Standard PTFE Sheet – Key Differences
| Property | KXT B302 Expanded PTFE | Standard PTFE Sheet (typical) |
|---|---|---|
| Compressibility | 45% (ASTM F36) | ~15–25% |
| Creep Relaxation | 35–36% (ASTM F38) | ~50–60% |
| Sealability on Irregular Flanges | Excellent | Poor |
| Minimum Bolt Load Required | Low | High |
| Cold Flow Resistance | Superior | Limited |
* Standard PTFE values are typical reference ranges. Custom sizes, thicknesses, die-cut gaskets, and bulk orders are available upon request.
Advantages of KXT B302 Expanded PTFE Sheet
Direct answer: KXT B302 outperforms standard PTFE in compressibility, creep resistance, and sealing on irregular surfaces, while remaining FDA-compliant and cost-effective.
Conforms to Irregular Surfaces – Soft expanded structure fills rough, pitted, or uneven flange faces.
High Sealability at Low Stress – Provides reliable sealing even under low bolt load conditions.
Excellent Chemical Resistance – Resists nearly all aggressive chemicals from pH 0 to 14.
Superior Creep & Cold Flow Resistance – Maintains sealing performance under sustained load.
Clean & Soft Material – Easy to handle, cut, and install without special tools.
Non-Aging & Long Shelf Life – Stable PTFE material with unlimited shelf life under normal storage.
FDA Compliant – Suitable for food, beverage, and pharmaceutical contact applications.
Cost-Effective Sealing – High-performance material at a competitive factory-direct price.
Typical Applications
Direct answer: KXT B302 is used in petrochemical, chemical, food, pharmaceutical, paper, medical, steam, water, and pump systems, especially where aggressive chemicals and irregular flanges are present.
Petrochemical Industry Sealing flanges, vessels, and piping systems handling aggressive chemicals and hydrocarbons.
Chemical Processing Suitable for nearly all aggressive chemicals in the pH 0–14 range.
Food & Pharmaceutical FDA-compliant material for food, beverage, and pharmaceutical equipment.
Flanges & Vessel Mouths Ideal for steel flanges and irregular sealing surfaces requiring high compressibility.
Paper & Medical Equipment Reliable sealing in paper industry processes and medical equipment applications.
Pneumatic & Water Systems Sealing for pneumatic lines, water systems, steam service, and pumps.
Case Study: A petrochemical plant in East China experienced frequent leakage on a centrifugal pump flange with a pitted sealing surface. Standard PTFE sheet failed within 3 months. After switching to KXT B302 Expanded PTFE Sheet, the seal remained leak-free for over 12 months, reducing maintenance downtime by 60%.
* Actual results may vary depending on operating conditions and installation.
Why Choose Kaxite for Expanded PTFE Sheet?
Direct answer: Kaxite is a professional China manufacturer with ISO 9001:2015 certification, offering factory-direct pricing, custom sizes, and fast global delivery.
Professional China Manufacturer – Kaxite is a leading manufacturer and supplier of Expanded PTFE Sheet in China.
Consistent Quality – Produced under strict quality control for reliable sealing performance.
Competitive Price – Factory-direct supply offers excellent value without compromising quality.
Custom Orders – OEM, custom sizes, thicknesses, and die-cut gaskets available.
Fast Delivery – Standard sheets in stock; ready for immediate shipment.
ISO 9001:2015 Certified – Quality management ensures consistent product reliability.
Trusted by Industry: Kaxite expanded PTFE sheets are used in petrochemical, chemical, food, pharmaceutical, paper, water, steam, and pump applications worldwide. As a China supplier, we offer competitive price and reliable global shipping.
Quality Assurance & Compliance
All KXT B302 Expanded PTFE Sheets are manufactured under strict quality controls in our ISO 9001:2015 certified facility in China. Each batch is inspected for density, thickness, compressibility, recovery, creep relaxation, and sealability. We provide quality certificates upon request and can supply FDA-compliant material for food and pharmaceutical applications. All products are made in China and available for global buyers.
- ISO 9001:2015
- FDA Compliant Material
- Quality Certificate Available
- 100% Inspection
- Custom Packaging Available
Custom Manufacturing & Bulk Orders
We offer custom sizes, thicknesses, die-cut gaskets, custom packaging, and OEM solutions for expanded PTFE sheet. Contact our sales team for bulk pricing and custom requirements.
- Bulk order discounts available
- Custom sheet sizes and thicknesses
- Die-cut gaskets and custom shapes
- OEM manufacturing options
- Custom packaging and branding
- Global shipping available
Request a bulk quote – our team responds within 24 hours with competitive pricing and lead-time estimates.
Frequently Asked Questions About Expanded PTFE Sheet
- Q: What is Expanded PTFE Sheet?
- A: Expanded PTFE Sheet is a soft, highly compressible gasket material made from 100% virgin PTFE. Its expanded structure allows it to conform to irregular flange surfaces while providing excellent chemical resistance and sealing performance.
- Q: What applications is KXT B302 suitable for?
- A: It is widely used in petrochemical, chemical processing, food and pharmaceutical, paper, medical, pneumatic, water, steam, and pump applications. It is suitable for sealing aggressive chemicals from pH 0 to 14.
- Q: What is the operating temperature and pressure range?
- A: KXT B302 operates from -240°C to +260°C and can handle service pressures from full vacuum to 19 MPa.
- Q: Is Expanded PTFE Sheet FDA compliant?
- A: Yes. KXT B302 is made from FDA-compliant virgin PTFE and is suitable for food, beverage, and pharmaceutical applications.
- Q: Can you supply custom sizes or die-cut gaskets?
- A: Yes. We can supply standard sheets, custom sheet sizes, custom thicknesses, and die-cut gaskets according to your drawings or requirements.
- Q: Why choose Expanded PTFE Sheet over standard PTFE Sheet?
- A: Expanded PTFE Sheet offers much higher compressibility (45% vs ~15–25%), lower creep relaxation (35–36% vs ~50–60%), and superior sealing on irregular flanges. Standard PTFE is harder and prone to cold flow, making it less suitable for rough or pitted surfaces.
- Q: What is the lead time for bulk orders?
- A: Standard items are in stock and ship immediately. Bulk or custom orders typically ship within 5–10 days, depending on quantity and packaging requirements.
Partner with Kaxite Sealing – your trusted China manufacturer and supplier of Expanded PTFE Sheet, EPTFE Gasket Sheet, PTFE Sheet, PTFE Gasket, and other high-performance sealing materials. Buy high quality products made in China at competitive price. With reliable quality, factory-direct supply, and fast delivery, we provide the sealing solutions demanded by petrochemical, chemical, food, pharmaceutical, and industrial applications. Order yours today or request a bulk quote – our team responds within 24 hours.
Last reviewed: September 2026 · Kaxite Sealing Technical Team
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