ISO 9001:2015 ASTM F104 REACH / RoHS BS 7531
Ningbo Kaxite – Trusted Mineral Fiber Sheet Manufacturer & Supplier High-Strength, Heat-Resistant & Corrosion-Resistant Sealing Solutions for Heavy Industries
KAXITE is a leading Chinese manufacturer of mineral fiber sheets with over 20 years of expertise. We produce compressed mineral fiber gasket sheets, high-temperature insulation panels, and custom die-cut parts for the oil & gas, petrochemical, power generation, marine, and general industrial sectors. Our OEM/ODM services include custom thicknesses, densities, and sizes – backed by full material traceability and competitive factory pricing.
✔ MOQ: Flexible (from 1 sheet) ✔ Lead Time: 7–15 Days ✔ FOB Ningbo / CIF / EXW ✔ Full Custom Solutions ✔ Free Sample Available
Industry‑Focused Mineral Fiber Solutions
Engineered for high-temperature, high-pressure, and chemically aggressive environments
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Oil & Gas
Mineral fiber gaskets and insulation for refineries, pipelines, and offshore platforms
⚡Power Generation
Heat-resistant sheets for turbine insulation, boiler gaskets, and exhaust systems
🧪Chemical Processing
Acid- and alkali-resistant mineral fiber sheets for reactors and piping systems
🚢Marine & Shipbuilding
Fire-resistant insulation and deck sealing materials for harsh maritime conditions
🚗Automotive & Heavy Equipment
Exhaust gaskets and heat shields using high-density mineral fiber composites
❄️HVAC & Refrigeration
Thermal insulation panels and duct sealing for commercial and industrial systems
✓ ISO 9001:2015 ✓ ASTM F104 ✓ BS 7531 ✓ REACH / RoHS ✓ Lloyd's Register ★ China Manufacturer Since 2003
What Our Customers Say
★★★★★
"The mineral fiber sheets we use for heat insulation in our power plant have consistently delivered outstanding thermal resistance. Kaxite's quality is top-tier."
— Michael R., South Africa (Power Generation)
★★★★★
"We've relied on Kaxite for custom mineral fiber gaskets for our chemical reactors. Excellent chemical resistance and precise dimensions."
— Ana G., Mexico (Chemical Processing)
★★★★★
"Prompt delivery and great support. The mineral fiber sheets are easy to cut and install on our marine vessels."
— Henrik J., Norway (Marine)
Frequently Asked Questions
Q: What types of mineral fiber sheets do you offer?
A: We produce compressed mineral fiber gasket sheets, high-temperature insulation panels, and custom die-cut parts in various densities and thicknesses.
Q: What is the typical maximum temperature resistance?
A: Our mineral fiber sheets can withstand continuous temperatures up to 600°C (1112°F) and intermittent exposure up to 800°C (1472°F).
Q: Can you produce custom sizes and shapes?
A: Yes, we offer custom sheet dimensions, thicknesses, and die-cutting or water-jet cutting to match your exact specifications.
Q: Do you provide material certificates?
A: Every shipment includes a material test report (MTR) and certificates of compliance with ASTM, BS, or other standards upon request.
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About Us
Ningbo Kaxite Sealing Materials Co., Ltd.
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 Metal Gaskets, Non-metallic Gaskets, Braided Packings, Compressed Gasket Sheets. To assure create more valve for customers from all over the world.
As a professional manufacturer and supplier, Kaxite can offer a widely range of sealing raw materials and products,more competitive price, prompt feedback, fast delivery time & keep the order updated. We promise Kaxite Gasket & Seals is your good choice.
The products are mainly applied in the industries of aviation, shipbuilding, petroleum chemical industry, foodstuff and medicine, with the good merits of heat preservation, heat insulation, seal and insulation.