Non-asbestos Gaskets Manufacturer for Custom Bulk OEM Orders

Premium Non-asbestos Gaskets for Demanding Industrial Applications

In today's industrial landscape, the demand for safe, reliable, and high-performance sealing solutions has never been greater. Non-asbestos gaskets have emerged as the superior and mandatory alternative to traditional asbestos-based materials, offering exceptional sealing integrity without the associated health risks. At Kaxite Sealing, we specialize in engineering and manufacturing advanced non-asbestos gasket materials designed to meet the most stringent requirements across various sectors, including oil & gas, chemical processing, power generation, and marine applications. Our commitment is to deliver products that ensure safety, durability, and optimal performance under extreme conditions of pressure, temperature, and corrosive media.

Our gaskets are manufactured using a sophisticated blend of high-quality aramid fibers, glass fibers, synthetic rubbers (like NBR, SBR, or CR), and other fillers and binders. This proprietary formulation is carefully calibrated to replicate and often exceed the mechanical and thermal properties of historical asbestos materials, while being completely safe for handling and installation. Kaxite Sealing's non-asbestos materials are rigorously tested to comply with international standards such as API, ASTM, DIN, and ISO, guaranteeing consistent quality and reliability for every critical sealing point in your operation.

Kaxite Sealing Non-asbestos Gasket Materials & Product Specifications

We offer a comprehensive range of non-asbestos sheet gasket materials, categorized by their composition, temperature and pressure ratings, and suitability for specific fluids. Each material grade is designed with a particular application set in mind.

Primary Material Grades and Properties

• Kaxite NA 2000 Series (Standard Duty): Ideal for general industrial service with water, steam, air, oils, and fuels. Offers excellent compressibility and recovery.
• Kaxite NA 3000 Series (Chemical Resistant): Formulated with special binders for enhanced resistance to a wide range of chemicals, acids, and alkalis.
• Kaxite NA 4000 Series (High-Temperature & Pressure): Engineered for severe service in power plants and refining applications, featuring high tensile strength and minimal creep relaxation.
• Kaxite NA 5000 Series (Food & Pharma Grade): Compliant with FDA requirements, suitable for sanitary applications requiring non-toxic, odorless sealing.

Detailed Technical Data Table

Physical & Mechanical Property Standards

• Tensile Strength: Ranges from 8 MPa (NA 2100) to 14 MPa (NA 4500) as per ASTM F152.
• Compressibility & Recovery: Excellent recovery characteristics (typically >50%) ensuring lasting seal under cycling conditions (ASTM F36).
• Creep Relaxation: Low creep values (<25%) to maintain bolt load and prevent leakage over time (ASTM F38).
• Fluid Resistance: Tested for immersion in various fluids (ASTM F146) with minimal weight and thickness change.
• Fire Safety: Most grades are self-extinguishing and meet relevant fire test standards.

Frequently Asked Questions (FAQ) About Non-asbestos Gaskets

What exactly are non-asbestos gaskets made of?

Non-asbestos gaskets are manufactured using a combination of synthetic fibers and materials that provide similar or superior sealing properties to asbestos but are completely safe. Common fiber reinforcements include aramid fibers (e.g., Kevlar®-type), glass fibers, carbon fibers, and ceramic fibers. These are bound together using elastomeric binders like Nitrile Rubber (NBR), Styrene Butadiene Rubber (SBR), or Chloroprene Rubber (CR), along with various fillers and additives to enhance specific properties such as temperature resistance, chemical compatibility, and compressibility.

Why should I choose non-asbestos gaskets over other alternatives?

Choosing non-asbestos gaskets is first and foremost a critical health and safety decision, eliminating the risk of exposure to carcinogenic asbestos fibers. From a performance perspective, high-quality non-asbestos materials like those from Kaxite Sealing offer excellent scalability. They provide reliable sealing across a broad range of temperatures and pressures, good compressibility to flange irregularities, and resistance to many chemicals. They are a versatile, all-around solution that complies with modern health, safety, and environmental regulations worldwide.

How do I select the correct Kaxite non-asbestos gasket material for my application?

Selection depends on several key service parameters: The fluid or gas being sealed (its chemical composition), the continuous operating temperature and maximum pressure, the flange type and surface finish, and any specific industry standards (e.g., API, FDA). Cross-reference your service conditions with our technical data tables. For chemical resistance, consult our chemical compatibility charts. For high-temperature steam service, the Kaxite NA 4000 series is typically recommended. Our technical support team can provide detailed guidance for complex or critical applications.

Can Kaxite non-asbestos gaskets be used for high-temperature applications above 500°F (260°C)?

Yes, specifically designed grades can. Our Kaxite NA 4500 series is engineered for severe high-temperature service, capable of continuous operation up to 750°F (400°C) and short-term spikes even higher. The key is the specialized blend of aramid and high-temperature resistant glass fibers with stable binders that resist degradation, hardening, and excessive creep relaxation under sustained heat and pressure. Always verify the exact temperature limit for the specific grade against your process conditions.

Are these gaskets suitable for use in food, beverage, or pharmaceutical processing?

Absolutely. Kaxite Sealing offers the NA 5000 series, which is formulated with FDA-compliant ingredients. These materials are non-toxic, odorless, and do not contaminate the product stream. They are suitable for sealing applications involving edible oils, dairy, beverages, and pharmaceutical intermediates. Certificates of compliance are available upon request.

How should non-asbestos gaskets be stored and handled?

Store Kaxite gasket sheets in a cool, dry place away from direct sunlight, extreme temperatures, and moisture. Keep them flat or rolled (not folded) to prevent permanent creasing. Sheets should be stored on a flat shelf or hung vertically. Prior to installation, ensure the flange surfaces are clean, undamaged, and aligned. Cut the gasket precisely to size, avoiding gaps or overhang. Use a proper gasket cutting tool for best results. Always follow recommended bolt tightening sequences and torque values to achieve an even, effective seal.

Do you provide custom-cut gaskets or full die-cutting services?

Yes, Kaxite Sealing provides comprehensive fabrication services. We can precision die-cut gaskets to any shape or size from our standard sheet materials, including complex geometries with bolt holes, inner diameters, and odd contours. We can also supply spiral-wound and corrugated metal gaskets with non-asbestos fillers. Providing a drawing, sample, or precise dimensions allows us to manufacture ready-to-install gaskets, saving you time and reducing material waste on-site.

Applications and Industries Served by Kaxite Sealing Solutions

The versatility and safety of our non-asbestos gasket materials make them indispensable across a wide spectrum of industries. In the Oil & Gas sector, they are used in pipeline flanges, valve bonnets, pump casing joints, and heat exchangers for crude oil, natural gas, and refinery intermediates. The Chemical and Petrochemical industry relies on our chemical-resistant grades for sealing reactors, distillation columns, and pipework handling aggressive acids, solvents, and alkalis.

In Power Generation, both conventional thermal and nuclear plants utilize our high-temperature grades for boiler access doors, steam turbine casings, and feedwater system flanges. The Marine and Shipbuilding industry uses our materials for engine room applications, freshwater and seawater systems, and exhaust ducting. Furthermore, Pulp & Paper mills, Water Treatment facilities, and General Manufacturing plants all benefit from the reliable, maintenance-reducing performance of Kaxite Sealing's non-asbestos gaskets for their everyday and critical sealing needs.