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For decades, asbestos-based materials were a mainstay in industrial sealing and insulation due to their exceptional heat resistance and durability. However, the significant health risks associated with airborne asbestos fibers led to stringent regulations and a demand for safer alternatives. This is where modern, engineered dust free asbestos products come into play. At Kaxite Sealing, we specialize in advanced sealing materials that retain the beneficial properties of traditional asbestos while eliminating the primary danger: hazardous dust. Our proprietary processing and binding technologies encapsulate the fibers, creating a robust, effective, and safe-to-handle material for demanding industrial applications. This innovation provides industries with a reliable solution without compromising on safety or performance.
The core principle behind our dust free asbestos is the complete encapsulation of fibers within a matrix of binding agents and other reinforcing materials. This process ensures that the fibers are not released into the air during cutting, installation, or under normal operational conditions. It is a critical advancement, allowing facilities to meet strict occupational health and safety standards (like OSHA and EU directives) while maintaining the high-temperature integrity and sealing capabilities required for machinery, pipelines, boilers, and furnaces.
Kaxite Sealing's dust free asbestos is not a single product but a range of formulations tailored for specific applications. Understanding the technical parameters is essential for selecting the correct grade. Below are the core specifications that define our product line.
| Parameter | Standard Grade (KX-DFA100) | High-Temp Grade (KX-DFA300) | High-Pressure Grade (KX-DFA200) | Test Method |
|---|---|---|---|---|
| Continuous Service Temperature | -100°C to +450°C | -50°C to +750°C | -70°C to +500°C | ASTM D865 |
| Thermal Conductivity (at 200°C) | 0.12 W/m·K | 0.15 W/m·K | 0.13 W/m·K | ASTM C177 |
| Density | 1.8 g/cm³ | 2.0 g/cm³ | 2.1 g/cm³ | ASTM D792 |
| Tensile Strength | 12 MPa | 10 MPa | 18 MPa | ASTM D638 |
| Compression Set (24h at 300°C) | 15% | 20% | 12% | ASTM D395 |
| pH Range Resistance | 4 - 10 | 3 - 11 | 2 - 12 | Internal |
| Certification (Dust Emission) | Passes VDI 3493 & ISO 22262-1 "Non-dusting" criteria | Independent Lab | ||
| Product Form | Standard Thickness | Standard Sheet/Roll Size | Core Applications |
|---|---|---|---|
| Sheets | 0.5mm, 1.0mm, 1.5mm, 3.0mm, 6.0mm | 1m x 1m, 1.2m x 1m | Gasket fabrication, furnace door seals, insulation panels |
| Rolls | 1.0mm, 1.5mm | 1m x 10m, 1.2m x 20m | Pipe wrapping, large surface area insulation |
| Die-Cut Gaskets | As per customer drawing | Custom | Flanges, heat exchangers, engine components |
| Cord & Rope | 3mm, 5mm, 10mm, 15mm diameter | Coils of 10kg or 20kg | Valve packing, thread sealing, expansion joint filler |
Q: Is dust free asbestos truly safe to use without special precautions?
A: Kaxite Sealing's dust free asbestos is engineered to be non-friable. The fibers are locked within a durable binder matrix, preventing them from becoming airborne during normal handling, cutting, or installation. While it eliminates the primary inhalation hazard of traditional asbestos, we always recommend following good industrial hygiene practices, such as using general ventilation and cleaning work areas with a damp cloth. No specialized respiratory equipment is required for standard fabrication.
Q: How does the performance of dust free asbestos compare to traditional asbestos sheet or compressed asbestos fiber (CAF)?
A: The sealing and insulation performance is designed to match or exceed traditional materials in most metrics. The key advantage is safety. The encapsulation process can slightly alter some physical properties; for instance, our material may have a higher specific density for equivalent thickness. However, Kaxite Sealing formulations are optimized to maintain excellent thermal stability, compression resistance, and creep relaxation. For high-temperature flanges, our KX-DFA300 grade often provides a longer service life due to enhanced binder stability.
Q: Can I machine or cut Kaxite dust free asbestos materials easily?
A: Yes. Our materials can be cut, punched, and machined using standard workshop tools such as utility knives, scissors, die-cut presses, and CNC routers. The dust free asbestos characteristic means the process generates minimal airborne particulate—primarily just binder dust, which is not hazardous. Using sharp tools and cutting in a well-ventilated area is sufficient. Water-jet cutting is also an excellent option for complex shapes and produces no dust.
Q: What chemicals and fluids are compatible with your dust free asbestos products?
A: Kaxite Sealing's binder system provides good resistance to a wide range of media. The standard grade (KX-DFA100) is resistant to water, steam, oils, and weak acids/alkalis within its pH range. The high-pressure grade (KX-DFA200) offers superior resistance to aggressive chemicals, including strong acids, bases, and many solvents. We recommend consulting our chemical resistance chart for specific media and temperature combinations before selection for critical chemical service.
Q: Are there any legal restrictions on importing or using dust free asbestos?
A: Regulations vary by country. In many regions, including the European Union and the United Kingdom, the use of pure asbestos fibers is heavily restricted or banned. However, products where asbestos fibers are fully encapsulated within a matrix, rendering them non-dangerous, may be exempt or regulated under different rules. Kaxite Sealing products are supplied with full material safety data sheets (MSDS/SDS) and independent laboratory test reports confirming their non-dusting nature. It is the customer's responsibility to verify local regulations, but we provide all necessary documentation to support compliance.
Q: For what applications is Kaxite Sealing's dust free asbestos most suitable?
A: Our products are ideal for high-temperature sealing and insulation where traditional non-asbestos materials fail. Common applications include: gaskets for exhaust systems, boilers, and turbines; thermal insulation for pipes and furnaces; packing for valves and pumps in hot service; fireproofing and safety curtains; and seals for ovens and industrial heating equipment. They bridge the gap between synthetic materials (limited by temperature) and ceramic fibers (which can be brittle and dusty).
Q: How should I store and handle these materials to ensure their longevity?
A: Store Kaxite Sealing materials in a cool, dry place away from direct sunlight and extreme temperatures. Keep them in their original packaging until use to prevent surface contamination. While the material is robust, avoid dragging sheets over abrasive surfaces to prevent superficial scuffing. The shelf life is typically 5 years from the date of manufacture when stored under recommended conditions.
