In industrial and construction applications where heat resistance, durability, and safety are non-negotiable, the choice of material is paramount. For decades, asbestos-based materials were the standard, but their severe health risks led to a global shift towards safer alternatives. Modern Non-asbestos Sheet technology has not only matched but in many cases surpassed the performance of traditional materials, without the associated dangers. At Kaxite, we specialize in engineering advanced non-asbestos sheets that deliver exceptional performance across a vast range of demanding environments. This guide delves into the specifications, benefits, and applications of our premium products.
A Non-asbestos Sheet is a composite material engineered to provide high-temperature insulation, chemical resistance, and mechanical strength without using any asbestos fibers. Instead, it utilizes a blend of safe, inorganic fibers (such as aramid, fiberglass, cellulose, and mineral wool) bound together with heat-resistant elastomers or other binding agents. This composition creates a versatile material ideal for gaskets, insulation, friction linings, and fireproofing.
Our non-asbestos sheet range is categorized into series designed for specific operational challenges. Below are the detailed technical specifications.
| Parameter | Specification / Value | Test Standard |
|---|---|---|
| Density | 1.6 - 1.8 g/cm³ | ASTM D3800 |
| Continuous Service Temperature | -100°C to +290°C (-148°F to +554°F) | ASTM D570 |
| Tensile Strength | ≥ 8.0 MPa (1160 psi) | ASTM D638 |
| Compression Set (24h @ 200°C) | ≤ 15% | ASTM F36 |
| pH Value | 7.0 - 8.5 (Neutral) | ASTM E70 |
| Thermal Conductivity | 0.15 W/m·K @ 100°C | ASTM C518 |
| Fluid Resistance (ASTM Oil #3) | Volume Change < 10% | ASTM D471 |
| Parameter | Specification / Value | Test Standard |
|---|---|---|
| Density | 1.8 - 2.0 g/cm³ | ASTM D3800 |
| Continuous Service Temperature | -100°C to +400°C (-148°F to +752°F) | ASTM D570 |
| Tensile Strength | ≥ 10.0 MPa (1450 psi) | ASTM D638 |
| Compression Set (24h @ 300°C) | ≤ 20% | ASTM F36 |
| pH Value | 6.5 - 8.0 | ASTM E70 |
| Thermal Conductivity | 0.18 W/m·K @ 200°C | ASTM C518 |
| Resistance to Strong Acids/Alkalis | Excellent (Limited attack) | ASTM D543 |
Q: What exactly does "Non-asbestos" mean? Is it 100% asbestos-free?
A: Yes, absolutely. When Kaxite labels a product as a Non-asbestos Sheet, it means the material contains 0% asbestos fibers as per rigorous testing standards like EPA and OSHA guidelines. We use alternative synthetic and mineral fibers (e.g., aramid, fiberglass) to replicate and enhance the desirable properties of asbestos without any of the health hazards.
Q: How does the performance of a non-asbestos sheet compare to traditional compressed asbestos fiber (CAF) sheets?
A: Modern high-quality non-asbestos sheets like those from Kaxite offer comparable or better performance in key areas. They provide excellent sealability and temperature resistance. Additionally, they often exhibit superior consistency in quality, better resilience (recovery after compression), and improved resistance to certain chemicals. The primary advantage, of course, is the complete elimination of health risks and legal liabilities associated with asbestos.
Q: Can I use the same tools to cut and fabricate non-asbestos sheets as I did with asbestos sheets?
A: In most cases, yes. Kaxite non-asbestos sheets are designed for easy fabrication. You can use standard die-cutting tools, CNC machines, laser cutters, or even manual cutting tools like knives and punches. Always ensure proper dust extraction and wear a basic particulate mask (like an N95) during machining, as with any fibrous material, to avoid inhalation of non-hazardous but airborne particles.
Q: What factors should I consider when selecting a grade of non-asbestos sheet for my application?
A: The selection depends on several critical operating conditions:
Q: Are Kaxite non-asbestos sheets certified or compliant with international standards?
A: Yes. Kaxite products are rigorously tested and comply with major international standards. This includes meeting the requirements of ASTM, DIN, JIS, and specific industry standards like API for oil and gas. They are also compliant with environmental directives such as RoHS and REACH, ensuring they are free from restricted hazardous substances.
Q: How should I store non-asbestos sheets to ensure their shelf life and performance?
A: For optimal shelf life, store Kaxite non-asbestos sheets in a cool, dry, and well-ventilated area away from direct sunlight, heat sources, and moisture. Keep them in their original packaging until use and store them flat to prevent curling or deformation. Under proper conditions, our sheets have a shelf life of several years without degradation of key properties.
Q: Is special disposal required for non-asbestos sheet waste?
A: No special hazardous waste disposal is typically required for non-asbestos sheet scrap, as it contains no regulated hazardous materials. However, disposal should always follow local municipal solid waste regulations. It is good practice to recycle manufacturing scrap where possible. This is a significant operational advantage over asbestos materials, which require costly and controlled hazardous waste disposal procedures.
