Ningbo Kaxite Sealing Materials Co., Ltd.
Ningbo Kaxite Sealing Materials Co., Ltd.
Products

Non-asbestos Gaskets Supplier in China for industrial sealing solutions

Non-asbestos Gaskets: A Superior Scaling Solution for Modern Industry

In today's demanding industrial landscape, the selection of sealing materials is critical for ensuring safety, efficiency, and regulatory compliance. Non-asbestos gaskets have emerged as the definitive standard, engineered to meet and exceed the performance of traditional asbestos materials without the associated health and environmental risks. At Kaxite Seals, we specialize in manufacturing high-performance sealing solutions tailored for the most challenging applications. Our non-asbestos gaskets are precision-engineered from advanced composite materials, offering superior sealing integrity, exceptional temperature and pressure resistance, and long-term reliability.

Detailed Product Specifications & Materials

Kaxite Seals non-asbestos gaskets are not a one-size-fits-all product. We utilize a range of specialized materials to create gaskets optimized for specific service conditions. The core of our products is a blend of high-quality aramid fibers, synthetic rubber binders, and mineral fillers, compressed under high pressure and heat to form a dense, uniform sealing sheet.

Primary Material Grades & Composition

  • KX-NA100 (Standard Grade): A general-purpose sheet composed of aramid fibers and NBR binder. Ideal for water, steam, air, and mild chemical services.
  • KX-NA200 (High-Temperature Grade): Formulated with aramid fibers and an SBR binder, enhanced with graphite. Designed for hot oils, saturated steam, and exhaust systems.
  • KX-NA300 (Chemical-Resistant Grade): Incorporates aramid fibers with a fluorocarbon (FKM) binder. Provides excellent resistance to acids, alkalis, and hydrocarbons.
  • KX-NA400 (Food & Pharma Grade): Manufactured with specially selected aramid fibers and FDA-compliant white nitrile binder. Suitable for sanitary and potable water applications.

Technical Parameter Table

Parameter KX-NA100 KX-NA200 KX-NA300 KX-NA400
Temperature Range -40°C to +120°C (-40°F to 250°F) -30°C to +300°C (-22°F to 570°F) -20°C to +200°C (-4°F to 390°F) -30°C to +110°C (-22°F to 230°F)
Max. Pressure (PSI) 1,500 1,800 1,400 1,200
pH Resistance Range 4 - 10 3 - 11 1 - 14 5 - 9
Tensile Strength (MPa) ≥ 12 ≥ 15 ≥ 11 ≥ 10
Compression Set (%) ≤ 25 ≤ 20 ≤ 30 ≤ 28
Standard Thickness (mm/in) 0.5-3.0mm / 1/64" - 1/8" 0.8-3.0mm / 1/32" - 1/8" 0.5-3.0mm / 1/64" - 1/8" 1.0-3.0mm / 0.04" - 1/8"
Primary Applications Pump housings, water pipelines, low-pressure steam Boiler manways, heat exchangers, engine exhaust Chemical reactors, acid pipelines, refineries Food processing, pharmaceutical mixers, beverage lines

Key Advantages of Choosing Kaxite Seals Non-Asbestos Gaskets

  • Complete Safety & Compliance: Our gaskets are 100% asbestos-free, ensuring full compliance with global health and safety regulations like OSHA, REACH, and RoHS, eliminating liability and worker exposure risks.
  • Exceptional Sealing Performance: The engineered fiber structure provides excellent creep relaxation resistance, maintaining a leak-tight seal over long periods and numerous thermal cycles.
  • Versatility Across Industries: From oil & gas and chemical processing to power generation, marine, and food & beverage, our range covers virtually every industrial sector.
  • Easy Installation & Machinability: The material is easy to cut, punch, and shape on-site without specialized tools, allowing for quick fabrication and reduced downtime.
  • Cost-Effectiveness: While offering superior performance, non-asbestos gaskets provide a reliable and economical sealing solution with a long service life, reducing maintenance and replacement costs.
  • Corrosion Protection: The synthetic binders and fillers are non-conductive and non-corrosive, protecting flanges from galvanic and chemical corrosion.

Frequently Asked Questions (FAQs) on Non-Asbestos Gaskets

What exactly are non-asbestos gaskets made of?

Non-asbestos gaskets are composite materials manufactured using organic or synthetic fibers as a reinforcement, combined with an elastomeric binder and fillers. Common reinforcing fibers include aramid (e.g., Kevlar), glass, carbon, and cellulose. These fibers are bound together using rubber compounds like NBR, SBR, or FKM. At Kaxite Seals, our proprietary formulations balance strength, flexibility, and chemical resistance for optimal performance.

Are non-asbestos gaskets as durable and heat-resistant as traditional asbestos gaskets?

Yes, modern high-quality non-asbestos gaskets like those from Kaxite Seals are designed to match or surpass the performance of asbestos gaskets. Advanced aramid fibers provide exceptional tensile strength and thermal stability. Our KX-NA200 grade, for example, performs reliably at continuous temperatures up to 300°C (570°F), which is suitable for most high-temperature applications previously served by asbestos.

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

Selection depends on four primary factors: the media being sealed (chemical compatibility), operating temperature, system pressure, and flange type/surface finish. Cross-reference your service conditions with our technical parameter table. For aggressive chemicals, choose KX-NA300. For high-temperature steam, KX-NA200 is ideal. For general industrial use, KX-NA100 is a robust choice. Kaxite Seals' technical team can provide specific recommendations based on your application data.

Can I use non-asbestos gaskets as a direct replacement for asbestos gaskets in existing equipment?

In the vast majority of cases, yes. Non-asbestos gaskets are designed as drop-in replacements. However, it is crucial to ensure the new gasket material is compatible with the process media and operating conditions. You may also need to adjust bolt torque values, as non-asbestos materials often require lower seating stress to achieve an effective seal compared to older asbestos styles. Always consult the manufacturer's installation guidelines.

What are the proper storage and handling procedures for these gaskets?

Store Kaxite Seals gaskets in a cool, dry place away from direct sunlight, ozone sources (like electric motors), and excessive heat. Keep them in their original packaging until use to prevent deformation, moisture absorption, or contamination. Do not fold or hang sheets, as this can cause permanent creases. Handle with clean hands or gloves to avoid transferring oils or dirt to the sealing surface.

How does Kaxite Seals ensure the quality and consistency of its non-asbestos gasket materials?

Quality is integral to our manufacturing process at Kaxite Seals. We implement strict raw material inspection, precise computerized process control during mixing and calendering, and 100% batch testing. Every production lot undergoes tests for density, tensile strength, compressibility, recovery, and fluid resistance against international standards like ASTM F104, DIN 3754, and JIS B 2403. This ensures you receive a product with reliable, repeatable performance.

Industries and Applications We Serve

The versatility of Kaxite Seals non-asbestos gaskets makes them indispensable across a broad spectrum of industries. Their reliability is proven in critical sealing points.

  • Oil, Gas & Petrochemical: Flange seals on pipelines, valves, pumps, and reactors handling crude oil, natural gas, fuels, and petrochemical intermediates.
  • Chemical & Pharmaceutical: Sealing for mixers, reactors, and transfer lines involving acids, solvents, alkalis, and pharmaceutical ingredients.
  • Power Generation: Gaskets for boiler manways, turbine casings, heat exchangers, and water treatment systems in both conventional and renewable energy plants.
  • Marine & Shipbuilding: Engine exhaust systems, pump housings, piping systems, and deck fittings on vessels and offshore platforms.
  • Pulp & Paper: Seals in digesters, bleach plants, and paper machine piping handling steam, chemicals, and pulp stocks.
  • Food, Beverage & Dairy: Sanitary gaskets for processing equipment, pasteurizers, fillers, and piping where FDA compliance and cleanability are paramount.
  • Water & Wastewater Treatment: Seals for pumps, valves, and filters in clean water supply, desalination, and sewage treatment facilities.

Customization and Support from Kaxite Seals

Beyond our standard sheet and tape inventory, Kaxite Seals provides extensive customization services. We can die-cut, laser-cut, or water-jet cut gaskets to precise specifications, including complex geometries and multi-layer designs. Our engineering support team is available to assist with material selection, application troubleshooting, and installation best practices to ensure you achieve a perfect, lasting seal.

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Non-asbestos Rubber Gasket

Non-asbestos Rubber Gasket

Kaxite Seals' Non-asbestos Rubber Gasket offers a safe, durable sealing solution for industries requiring reliable protection against leaks. With premium rubber materials and advanced design, it ensures superior performance in harsh environments like automotive and manufacturing. Ideal for engineers and maintenance teams, it provides peace of mind by solving sealing challenges efficiently. Unlike traditional asbestos gaskets, it's eco-friendly and compliant with modern safety standards. Experience unmatched quality and durability—choose Kaxite Seals for your sealing needs.
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