In industries demanding high-performance insulation and sealing, non-asbestos sheet materials have become the global standard, offering a safe and robust alternative to traditional asbestos-based products. Kaxite, as a leading manufacturer, is committed to providing premium-grade non-asbestos sheets engineered for exceptional durability, thermal resistance, and safety compliance. Our products are meticulously crafted to meet the rigorous demands of various industrial applications, from automotive gaskets to high-temperature insulation in power plants.
Non-asbestos sheet is a composite material manufactured using a blend of organic and inorganic fibers, binders, and fillers, excluding any form of asbestos. These sheets are designed to replicate or exceed the beneficial properties of asbestos—such as heat resistance, flexibility, and strength—while eliminating the associated health risks. Kaxite's formulations utilize advanced fibers like aramid, glass, carbon, and cellulose, combined with elastomeric binders like NBR or SBR, to create sheets with superior performance characteristics.
Understanding the technical specifications is crucial for selecting the right material for your application. Below are the core parameters defining Kaxite's non-asbestos sheet range.
The following table summarizes the standard specifications for Kaxite's general-purpose non-asbestos sheet. Custom formulations are available upon request.
| Property | Standard Value | Test Method | Remarks |
|---|---|---|---|
| Density | 1.6 - 2.0 g/cm³ | ASTM D792 | Ensures structural integrity. |
| Tensile Strength | ≥ 8.0 MPa | ASTM D412 | High resistance to tearing and blow-out. |
| Compression Set (24h @ 100°C) | ≤ 25% | ASTM D395 | Excellent recovery and sealing force retention. |
| Continuous Operating Temperature | -40°C to +300°C (+572°F) | — | Suitable for most engine and industrial applications. |
| Thermal Conductivity | 0.15 - 0.25 W/m·K | ASTM C177 | Effective thermal insulation properties. |
| Fluid Resistance | Excellent resistance to oils, water, steam, and many chemicals. | ASTM D471 (Immersion Test) | Specific resistance varies with binder type (NBR offers superior oil resistance). |
| Thickness Range | 0.4mm to 6.0mm | — | Available in rolls or sheets, custom thickness possible. |
| Standard Sheet Size | 1500mm x 1500mm or 1000mm x 1000mm | — | Other sizes can be tailored to customer needs. |
| Color | Blue, Grey, Green, Black, Red (Custom colors available) | — | Color coding for grade identification. |
| Certifications | RoHS Compliant, REACH Compliant, ISO 9001:2015 Manufacturing | — | Meets international safety and quality standards. |
Kaxite offers a range of non-asbestos sheets tailored for specific performance requirements.
| Grade Series | Key Features | Typical Applications |
|---|---|---|
| Kaxite NA-1000 (Standard) | Good general-purpose resistance to oils, water, and steam. Excellent compressibility. | General industrial gaskets, pipe flanges, pump covers, water systems. |
| Kaxite NA-2000 (High-Temp) | Enhanced aramid fiber content. Superior resistance to high temperatures and thermal cycling. | Exhaust manifolds, cylinder head gaskets, turbocharger systems, boiler gaskets. |
| Kaxite NA-3000 (Chemical Resistant) | Formulated with special binders and fillers for aggressive chemical environments. | Chemical processing equipment, solvent pumps, fuel systems, acid/alkaline service. |
| Kaxite NA-4000 (High Pressure/Strength) | Reinforced with carbon/glass fibers. Very high tensile strength and low creep relaxation. | High-pressure vessel flanges, compressor gaskets, heavy-duty diesel engines. |
What are the main advantages of using non-asbestos sheets over traditional asbestos sheets?
The primary advantages are safety and regulatory compliance. Non-asbestos sheets eliminate the risk of lung diseases like asbestosis and mesothelioma associated with asbestos fiber inhalation. They are legally compliant in most countries. Additionally, modern non-asbestos materials from Kaxite often provide more consistent quality, better chemical resistance for specific fluids, and can be engineered for superior performance in targeted applications, such as higher temperature ranges or improved sealability under lower bolt loads.
Is Kaxite non-asbestos sheet safe to machine and handle?
Yes, absolutely. Kaxite non-asbestos sheets are designed to be safe during standard machining operations like cutting, punching, and grinding. The fibers are securely locked within the rubber/filler matrix, minimizing airborne fiber release. However, as with any industrial material, we recommend following good workshop practices: using local exhaust ventilation (LEV) during heavy machining or sanding, and wearing appropriate personal protective equipment (PPE) such as dust masks and safety glasses to minimize exposure to nuisance dust.
How do I select the correct Kaxite grade for my application?
Selection depends on the service conditions of the gasket or seal. Key factors to consider are: 1) Temperature: Both minimum and maximum operating temperatures. 2) Media: The type of fluid or gas being sealed (e.g., oil, steam, acid, fuel). 3) Pressure: The internal pressure of the system. 4) Application Method: Whether it's for a static flange, a manway cover, or a dynamic seal. Consult our technical datasheets or contact Kaxite's engineering support team with your specific parameters for a precise recommendation.
Can Kaxite non-asbestos sheets be used for food processing or potable water applications?
Kaxite offers specific formulations that are compliant with relevant standards for indirect food contact and potable water, such as FDA CFR 21.177.2600 (for rubber articles) and WRAS (Water Regulations Advisory Scheme) requirements. These grades are manufactured using specially approved ingredients to ensure no harmful substances leach into the product stream. It is critical to specify your need for food-grade or potable water certification when inquiring.
What is the shelf life of Kaxite non-asbestos sheets, and how should they be stored?
When stored correctly, Kaxite non-asbestos sheets have a shelf life of 5 years from the date of manufacture. For optimal shelf life, store the sheets in a cool, dry, and dark place away from direct sunlight, ozone sources (like electric motors), and extreme temperatures (ideally between 10°C and 25°C). Keep the sheets flat or on a large diameter roll to prevent bending or creasing. Avoid contact with solvents, oils, and corrosive chemicals during storage.
Do you provide custom-sized blanks or finished gaskets?
Yes, Kaxite provides complete flexibility. We supply standard-sized sheets and rolls for in-house fabrication. Additionally, we offer a value-added service where we can precision-die-cut, laser-cut, or waterjet-cut custom gaskets to your exact drawings and specifications. This ensures optimal material usage, consistent part quality, and reduces your production lead time and scrap waste.
How does the cost compare between asbestos and non-asbestos sheets?
Initially, high-performance non-asbestos sheets may have a higher raw material cost compared to basic asbestos sheets. However, a total cost-of-ownership analysis often reveals significant savings. Factors include: avoidance of expensive health monitoring, hazardous material disposal costs, and potential legal liabilities. Furthermore, Kaxite non-asbestos sheets typically offer longer service life, reduced downtime from failures, and improved sealing efficiency, leading to lower maintenance and operational costs over time.
Proper fabrication is key to achieving a reliable seal. Kaxite non-asbestos sheets can be easily fabricated using standard workshop tools.
