High Quality Dust Free Asbestos from Reliable Manufacturers in China

Dust free Asbestos is a high-performance sealing and insulation material engineered for modern industrial applications where safety, durability, and thermal management are paramount. Unlike traditional asbestos products, this advanced material undergoes a specialized encapsulation and binding process that effectively eliminates the release of airborne fibers during handling, cutting, and installation. This key innovation addresses the primary health concern associated with historical asbestos use, offering a safer alternative without compromising on the exceptional natural properties that made asbestos a staple in industrial settings for decades. At Kaxite Sealing, we have refined this technology to provide reliable, code-compliant solutions for a wide range of demanding environments.

The core advantage of Dust free Asbestos lies in its unique composition. The hazardous crystalline fibers are locked within a stable matrix of binders and modifiers. This structure retains the excellent heat resistance, tensile strength, and chemical inertness required for gaskets, seals, and insulation, while ensuring the product remains non-friable under normal working conditions. Industries such as power generation, chemical processing, marine engineering, and heavy manufacturing utilize our materials for critical applications, including boiler seals, pump gaskets, fireproofing, and high-temperature pipe insulation.

Product Parameters and Specifications

Kaxite Sealing's Dust free Asbestos products are manufactured to precise standards. The following parameters define their performance characteristics and ensure suitability for specific operational requirements.

Key Material Properties

• Temperature Resistance: Continuous service range from -100°C to +550°C (-148°F to +1022°F), with short-term peaks up to 750°C (1382°F) possible depending on the specific grade.
• Thermal Conductivity: Low thermal conductivity, typically between 0.12 and 0.18 W/m·K, providing efficient insulation.
• Compression Set: Excellent recovery and low compression set, ensuring long-term sealing integrity under bolt load.
• Chemical Resistance: Highly resistant to most oils, solvents, steam, and mild acids/alkalis. Specific compatibility charts are available for aggressive media.
• pH Value: Neutral, typically between 6.5 and 7.5, preventing corrosion on flanged surfaces.
• Density: Available in various densities from 1.2 g/cm³ to 2.0 g/cm³ to balance strength, flexibility, and insulation value.
• Fire Rating: Inherently non-combustible (ASTM E136) and qualifies for A0 fire classification according to EN 13501-1.

Standard Product Grades & Forms

Kaxite Sealing offers a range of grades tailored for different applications. The following table outlines our standard product line.

Frequently Asked Questions (FAQ)

Q: What exactly makes this asbestos "dust-free"? How is it different from old asbestos products?
A: Traditional asbestos products are friable, meaning they can be easily crumbled by hand pressure, releasing dangerous airborne fibers. Our Dust free Asbestos is manufactured using a proprietary process from Kaxite Sealing that encapsulates each fiber within a resilient polymer and elastomer binder system. This creates a coherent, non-friable matrix. The fibers are permanently locked in place, preventing them from becoming airborne during cutting, drilling, or mechanical abrasion during normal handling and service. Independent tests confirm the dust generation is below relevant occupational exposure limits.

Q: Is Dust free Asbestos safe to handle and install without specialized PPE?
A: While our product significantly reduces fiber release compared to historical materials, Kaxite Sealing always recommends following good industrial hygiene practices. For routine handling and installation (e.g., moving sheets, measuring, cutting with sharp knives), standard workshop PPE such as gloves and safety glasses is usually sufficient. However, for activities generating higher levels of particulate (e.g., dry sanding, heavy grinding), we advise using a dust-extraction system or a suitable P2/N95 respirator as a precaution. Always refer to and follow the Material Safety Data Sheet (MSDS) provided with your shipment.

Q: Can I use standard tools to fabricate gaskets from your sheets?
A: Yes. Kaxite Sealing's Dust free Asbestos sheets can be easily cut with standard utility knives, scissors, or rotary cutters for thinner gauges. For thicker sheets or production runs, clicker presses or waterjet cutters work excellently. Drilling and punching are also straightforward. The material machines cleanly without the problematic dust clouds associated with older products. We recommend sharp tools for the cleanest edges.

Q: How does the temperature and pressure rating compare to traditional compressed asbestos fiber (CAF) sheets?
A: Our high-grade materials, such as the KX-DFA200 series, are engineered to match or exceed the performance of traditional CAF sheets. They are suitable for applications involving high-pressure steam, hot oils, and chemicals at temperatures up to 550°C. The binding matrix is specially formulated to maintain integrity and sealing force across the entire temperature range without becoming brittle or losing elasticity.

Q: Is this product approved for use in my industry? Are there specific certifications?
A: Kaxite Sealing products are developed in compliance with international standards. They are widely accepted in industries where non-metallic gaskets are specified. Our materials meet relevant criteria for fire safety (ASTM E136, EN 13501-1 A0), and can be supplied with certifications such as ISO 9001:2015 for quality management. For specific regulatory approvals (e.g., maritime, aerospace, nuclear), please contact our technical support team with your application details, as certain grades may have undergone additional testing.

Q: What is the shelf life and how should I store unused material?
A: When stored correctly, Kaxite Sealing Dust free Asbestos has an indefinite shelf life. Store in a cool, dry place away from direct sunlight, extreme temperatures, and moisture. Keep the material in its original packaging until use to prevent accidental surface contamination. Avoid stacking heavy objects on top of sheets to prevent deformation.

Q: Can this material be used for sealing fuel oils or aggressive chemicals?
A: Our standard grades exhibit excellent resistance to a wide range of hydrocarbons, fuels, solvents, and most moderate chemical environments. However, chemical compatibility is application-specific. We provide detailed chemical resistance guides. For sealing strong oxidizing agents, concentrated acids, or certain chlorinated solvents, please consult our engineering team. We may recommend a specific grade or a composite material for optimal performance and longevity.

Q: Does Kaxite Sealing offer custom shapes or sizes?
A: Absolutely. In addition to standard sheets, ropes, and cords, our KX-DFA400 grade specializes in custom-molded parts. We can manufacture pre-cut gaskets, complex insulating components, washers, and other shapes to your exact drawings and specifications. This saves fabrication time, reduces material waste, and ensures a perfect fit for critical applications.