Ningbo Kaxite Sealing Materials Co., Ltd. is based in Ningbo, Zhejiang Province, China. Kaxite is one of the biggest sealing and heat preservation products manufacturer in China. Kaxite supply the overall solution of Expanded PTFE sheet, PTFE sheet, PTFE tube. To assure create more valve for customers from all over the world.
FDA & NSF Compliant
China Expanded PTFE Sheet, Tape & Tube Manufacturer – Biaxial-Oriented PTFE for Chemical Sealing
Kaxite Sealing is a leading expanded PTFE sheet supplier and PTFE tape manufacturer in China. We offer biaxially-oriented expanded PTFE sheets, joint sealant tapes, gaskets, rods, and tubes with excellent chemical resistance and temperature stability from -200°C to 260°C. 20+ years of experience, exporting to 100+ countries.
⬤ MOQ: 10 sheets ⬤ Lead Time: 7‑15 days ⬤ FOB Ningbo / EXW / CIF ⬤ Custom Sizes & Grades ⬤ Free Sample Available
20+
Years Manufacturing
100+
Countries Supplied
260°C
Max Service Temp
10+
PTFE Grades
PTFE Sealing Solutions by Industry
Select your industry – we supply the right expanded PTFE product for your application.
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Chemical Processing
Expanded PTFE sheets and gaskets for aggressive acids, solvents, and high-purity media
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Pharmaceutical & Food
FDA-compliant PTFE tape and sheet for sanitary processing and drug manufacturing
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Electrical & Electronics
PTFE rods and tubes for insulation, connectors, and high-frequency components
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General Industrial
Versatile PTFE gasketing, sealing tape, and machined parts for pumps, valves, and flanges
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Oil & Gas
High-performance PTFE gaskets and tapes for pipelines, refineries, and offshore
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Custom OEM / ODM
Custom thickness, density, die-cut shapes, and machined PTFE parts – to your drawing
Why Industry Leaders Choose Kaxite PTFE
- ✅ Biaxial-oriented expanded PTFE – high tensile strength
- ✅ Excellent chemical resistance – pH 0–14
- ✅ Temperature range: -200°C to +260°C
- ✅ FDA, NSF, and RoHS compliant grades
- ✅ Custom thickness, density, and dimensions
- ✅ Full traceability with MTC per EN 10204 3.1
- ✅ Factory-direct – competitive wholesale pricing
- ✅ ISO 9001:2015 certified facility
ISO 9001 FDA NSF RoHS China Factory
Frequently Asked Questions
Q: What is expanded PTFE?
A: Expanded PTFE is a microporous, biaxially-oriented material with superior flexibility, chemical resistance, and sealing performance compared to virgin PTFE.
Q: What forms do you supply?
A: Expanded PTFE sheets, joint sealant tapes, gaskets, rods, tubes, and custom die-cut parts.
Q: What is the temperature range?
A: Continuous service from -200°C to +260°C, with excellent chemical resistance across the full pH range.
Q: Can you customize thickness and density?
A: Yes – thickness from 0.5mm to 15mm, density from 0.7g/cm³ to 1.2g/cm³. Custom sizes available.
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