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Non-Asbestos Gaskets in China from a trusted manufacturer

In industrial sealing, the shift towards safer, high-performance materials has made Non-Asbestos Gaskets the standard for critical applications. As a leader in advanced sealing solutions, Kaxite provides a comprehensive range of Non-Asbestos Gaskets engineered for reliability, safety, and durability. Unlike traditional asbestos-based gaskets, our products offer superior sealing performance without the associated health risks and regulatory complications.

Kaxite Non-Asbestos Gaskets are manufactured using a blend of high-quality organic and synthetic fibers, such as aramid, glass, carbon, and elastomeric binders. This composition creates a robust material capable of withstanding extreme pressures, temperatures, and aggressive media. They are the ideal choice for applications in oil & gas, chemical processing, power generation, marine, and pharmaceutical industries where safety and integrity are non-negotiable.

Why Choose Kaxite Non-Asbestos Gaskets?

Our commitment at Kaxite is to deliver sealing solutions that not only meet but exceed industry standards. Here’s what sets our products apart:

  • Enhanced Safety: Completely free from hazardous asbestos fibers, ensuring a safer workplace and compliance with global health regulations (OSHA, REACH).
  • Superior Performance: Excellent resistance to creep relaxation, maintaining a tight seal under fluctuating temperatures and pressures.
  • Wide Chemical Compatibility: Formulated to resist a broad spectrum of chemicals, oils, solvents, and steam.
  • Temperature and Pressure Resilience: Designed to perform reliably in a wide range from cryogenic to high-temperature services.
  • Environmental Sustainability: Made from environmentally friendlier materials, contributing to sustainable industrial practices.

Detailed Product Parameters & Specifications

Kaxite Non-Asbestos Gaskets are available in various grades and styles to suit specific service conditions. Below are the key parameters that define our product line.

Material Composition & Properties

  • Base Fibers: Aramid (e.g., Kevlar®), Glass Fiber, Cellulose, Carbon, Mineral Fibers.
  • Binder: Nitrile Rubber (NBR), Styrene-Butadiene Rubber (SBR), Acrylic, or other elastomers.
  • Fillers: Clay, Talc, Calcium Carbonate (for density and compression control).
  • Color Coding: Standard sheets are typically gray, red, or green, depending on the grade and specification.

Technical Performance Data Table

Grade Temperature Range Max Pressure (PSI) Density (g/cm³) pH Range Typical Applications
KX-NA1500 (Standard) -100°F to 400°F (-73°C to 204°C) 1500 1.6 - 1.8 2 - 12 Hot water, steam, mild chemicals
KX-NA2100 (Chemical Resistant) -50°F to 500°F (-46°C to 260°C) 2100 1.7 - 1.9 0 - 14 Acids, alkalis, hydrocarbons, solvents
KX-NA3000 (High Temp/High Pressure) -320°F to 750°F (-196°C to 399°C) 3000 1.8 - 2.0 1 - 13 Refinery services, heat exchangers, high-pressure steam
KX-NA-FG (Food Grade) -40°F to 390°F (-40°C to 199°C) 1200 1.5 - 1.7 3 - 10 Food, beverage, pharmaceutical, potable water

Available Forms & Sizes

  • Sheets: Standard sheet size 60" x 60" (1524mm x 1524mm). Thicknesses available: 1/64", 1/32", 1/16", 1/8", 1/4".
  • Coils: Widths up to 60" (1524mm), supplied in continuous rolls for high-volume cutting.
  • Pre-Cut Gaskets: Custom die-cut, CNC-cut, or laser-cut to any shape and size per customer drawings (ASME B16.21, DIN, JIS standards).
  • Ring Gaskets: Standard ASME B16.20 / B16.5 ring types (R, RX, BX) available in various classes.

Frequently Asked Questions (FAQ) About Non-Asbestos Gaskets

Q: What exactly are Non-Asbestos Gaskets made of?
A: Non-Asbestos Gaskets are composite materials manufactured using safe, reinforcing fibers such as aramid (e.g., Kevlar), glass, carbon, or cellulose. These fibers are bound together using elastomers like nitrile rubber (NBR) or styrene-butadiene rubber (SBR). This combination replicates the sealing and mechanical properties of historical asbestos gaskets without the associated health hazards.

Q: Are Kaxite Non-Asbestos Gaskets certified and compliant?
A: Yes. Kaxite gaskets comply with major international standards and directives. Our materials are tested and certified to meet requirements such as FDA CFR 177.2600 for food contact, NSF/ANSI 61 for drinking water, and are compliant with OSHA and EU REACH regulations concerning hazardous substances. Certificates of Compliance (CoC) and Material Test Reports (MTR) are available upon request.

Q: How do I select the correct grade of Non-Asbestos gasket for my application?
A: Selection depends on the service conditions. Key factors to consider are: the media being sealed (chemical compatibility), operating temperature, flange pressure, flange type/surface finish, and any industry-specific standards (e.g., FDA, potable water). Refer to our technical data table or consult directly with Kaxite engineers for a detailed recommendation based on your P&ID and operating parameters.

Q: Can Non-Asbestos Gaskets handle high-temperature applications as well as asbestos did?
A> Modern high-grade Non-Asbestos materials, like our KX-NA3000 series, are engineered to perform exceptionally well in high-temperature services, often exceeding the capabilities of old asbestos materials. They offer better resistance to creep relaxation and burnout, leading to longer service life and more reliable sealing at temperatures up to 750°F (399°C) and beyond.

Q: What are the storage and handling recommendations for these gaskets?
A: Store Kaxite Non-Asbestos gasket sheets and finished gaskets in a cool, dry place away from direct sunlight, ozone sources, and excessive heat. Ideal storage temperature is between 50°F and 80°F (10°C and 27°C). Keep them flat and avoid bending or creasing. Do not store near solvents or chemicals that could cause swelling or degradation of the elastomer binder.

Q: How do I ensure a proper seal during installation?
A> Follow proper flange assembly procedures. Ensure flanges are clean, aligned, and undamaged. Use a calibrated torque wrench and follow a star-pattern tightening sequence to the recommended bolt load. Always refer to the gasket manufacturer's instructions or ASME PCC-1 guidelines for optimal assembly stress. Never reuse a compressed gasket.

Q: Are custom shapes and sizes available from Kaxite?
A> Absolutely. Kaxite specializes in providing custom sealing solutions. We can manufacture precision gaskets from our Non-Asbestos materials using state-of-the-art CNC cutting, laser cutting, or die-cutting technology. Simply provide us with a detailed drawing, CAD file, or sample, and we will deliver gaskets that meet your exact specifications.

Q: What is the lead time for standard sheets and custom gaskets?
A> Lead times vary based on product and order volume. Standard sheet materials are typically available for shipment within 3-5 business days. For custom-cut parts, lead time depends on complexity and quantity, generally ranging from 1 to 3 weeks. Kaxite also offers expedited services for urgent requirements; please contact our sales team for specific timelines.

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