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What is a Non-asbestos Sheet?

A Non-asbestos Sheet, often referred to as compressed non-asbestos fiber sheet or simply compressed gasket material, is a high-performance industrial sealing material engineered to replace traditional asbestos-based gaskets. As the name clearly states, these sheets are manufactured entirely without asbestos fibers, utilizing a sophisticated blend of synthetic fibers (such as aramid, glass, or cellulose), high-quality elastomer binders (like NBR or SBR), and filler materials. This advanced composition is processed under intense heat and pressure to create a uniform, dense, and durable sheet material. Kaxite Seals specializes in producing premium-grade non-asbestos sheets that deliver exceptional sealing integrity, chemical resistance, and thermal stability for demanding applications across numerous industries, ensuring safety, compliance, and reliability.

Key Features and Benefits of Kaxite Seals Non-Asbestos Sheets

• Asbestos-Free & Safe: Compliant with global health and safety regulations (OSHA, REACH), eliminating the risks associated with asbestos exposure.
• Superior Sealing Performance: Excellent compression and recovery characteristics ensure a tight, leak-proof seal even under fluctuating pressures and temperatures.
• Wide Chemical Compatibility: Resistant to a broad spectrum of oils, fuels, solvents, water, steam, and many mild chemicals.
• High-Temperature Resistance: Formulated to perform reliably in continuous service temperatures typically ranging from -40°C to +400°C (-40°F to +750°F), depending on the grade.
• Excellent Physical Strength: High tensile and blow-out resistance prevent flange damage and gasket failure under high bolt loads and system pressures.
• Easy to Fabricate: Can be easily cut, punched, and stamped into complex gasket shapes using standard tooling.
• Cost-Effective & Durable: Offers a long service life, reducing maintenance downtime and replacement costs, providing excellent value.

Technical Specifications & Product Parameters

Kaxite Seals offers a comprehensive range of non-asbestos sheet materials, categorized into standard grades to meet specific application requirements. The following table details the key parameters of our most popular series.

Standard Sheet Sizes & Thicknesses Available from Kaxite Seals

• Standard Sheet Dimensions: 1500mm x 1500mm (59" x 59"), 1250mm x 1250mm (49" x 49"). Custom roll or sheet sizes are available upon request.
• Standard Thickness Range: 0.5mm (0.020"), 0.8mm (1/32"), 1.5mm (1/16"), 3.0mm (1/8"). Other intermediate thicknesses are available from stock or can be produced.
• Color Coding: Standard grades are often color-coded for easy identification (e.g., Blue, Green, Red, Grey) per customer specifications or industry convention.

Frequently Asked Questions (FAQ) About Non-Asbestos Sheets

Q: Why should I choose a non-asbestos sheet over an asbestos-based one?
A: The primary reasons are health, safety, and legal compliance. Asbestos is a proven carcinogen, and its use is heavily restricted or banned in most countries. Non-asbestos sheets from Kaxite Seals provide equal or superior sealing performance without the associated health risks, ensuring a safer workplace and compliance with regulations like OSHA and REACH. Modern non-asbestos materials also often offer more consistent quality and better chemical resistance for many contemporary fluids.

Q: How do I select the correct grade of Kaxite non-asbestos sheet for my application?
A: Selection depends on several key application parameters. You must consider the fluid or gas being sealed (chemical compatibility), the continuous and peak operating temperatures, the flange pressure (PSI/Bar), and the flange surface condition. Our KAX-1000 series is an excellent general-purpose choice for water, steam, and hydrocarbons. For higher temperatures, specify KAX-2000 HT. For aggressive chemicals, KAX-3000 CR is recommended. Always consult Kaxite Seals' technical datasheets or contact our engineering support for specific recommendations.

Q: Can Kaxite non-asbestos sheets be used for all the same applications as traditional compressed asbestos sheets?
A: In the vast majority of applications, yes, and often with improved performance. Kaxite Seals' materials are designed as direct, drop-in replacements for older asbestos grades. They match or exceed the physical properties like tensile strength, compressibility, and recovery. However, for extremely high-temperature applications above 400°C (750°F) involving certain aggressive media, a technical review is advised. Our engineers can confirm suitability or recommend an alternative high-temperature sealing solution.

Q: What is the shelf life of a non-asbestos sheet, and how should I store it?
A: When stored correctly, Kaxite Seals non-asbestos sheets have a shelf life of at least 5 years from the date of manufacture. Sheets should be stored in a cool, dry, and dark environment, away from direct sunlight, ozone sources (like electric motors), and extreme temperatures. They should be kept flat, not bent or rolled tighter than their original shipping diameter, and should not have weight stacked on them to prevent permanent deformation.

Q: How do I ensure a proper seal when installing a gasket made from your sheet material?
A: Proper installation is critical. First, ensure the flange faces are clean, dry, undamaged, and aligned. Select the correct thickness and grade of material. Cut the gasket precisely to fit, avoiding overhang into the bore. Use a suitable sealing compound only if recommended for the specific fluid service. Follow a recognized bolt tightening procedure (e.g., ASME PCC-1), using a crisscross pattern and multiple passes to achieve the specified bolt load, ensuring even compression across the entire gasket face.

Q: Are Kaxite non-asbestos sheets certified or tested to any international standards?
A: Yes. Kaxite Seals is committed to quality and safety. Our manufacturing process is ISO 9001 certified. Our materials are rigorously tested in-house and by independent laboratories. They conform to key international material specifications such as ASTM F1315, DIN 3754, and JIS K 6866. Our KAX-4000 FR grade meets fire-safe testing requirements per standards like API 607/API 6FB and ISO 10497. Certificates of Compliance and test reports are available upon request.

Q: Can you provide custom formulations or die-cut gaskets from your sheets?
A: Absolutely. While our standard grades cover most needs, Kaxite Seals offers custom formulation services to develop a material with specific properties for unique applications. Furthermore, we operate a state-of-the-art gasket fabrication facility. We can precision die-cut, laser-cut, or waterjet-cut gaskets to your exact drawings, providing ready-to-install sealing solutions that save you time, reduce material waste, and ensure optimal performance.