For engineers, manufacturers, and designers demanding reliability in the most demanding environments, the choice of insulating material is critical. Enter the Mica Sheet from Kaxite. Leveraging the natural, exceptional properties of mica mineral, our engineered sheets represent the pinnacle of high-performance insulation. With two decades of industry leadership, Kaxite has perfected the manufacturing process, delivering mica sheets that offer unparalleled dielectric strength, thermal stability, and mechanical integrity. Whether in aerospace, automotive, home appliances, or industrial heating, Kaxite Mica Sheets provide the foundational safety and performance your applications require.
Our commitment extends beyond the material itself; it encompasses rigorous quality control, consistent supply, and expert technical support. When you specify Kaxite, you are not just purchasing a component—you are investing in system reliability, operational safety, and long-term value.
The superiority of Kaxite Mica Sheets stems from the inherent advantages of mica, enhanced by our proprietary processing techniques.
To ensure you select the perfect material for your design, Kaxite offers a range of mica sheets with specific properties. Below are the detailed parameters for our standard product lines.
| Parameter | KX-MP Standard Grade | KX-SP High-Temp Grade | KX-FR Flexible Grade | Test Standard |
|---|---|---|---|---|
| Thickness Range | 0.1mm - 3.0mm | 0.2mm - 5.0mm | 0.15mm - 1.5mm | ASTM D374 |
| Continuous Use Temperature | Up to 700°C | Up to 1000°C | Up to 600°C | IEC 60216 |
| Dielectric Strength (kV/mm) | 15 - 25 | 20 - 35 | 12 - 20 | ASTM D149 |
| Volume Resistivity (Ω·cm) | 1013 - 1015 | 1014 - 1016 | 1012 - 1014 | ASTM D257 |
| Binder Type | Silicone Resin | Inorganic (Phosphate) / Silicate | Silicone / Epoxy Resin | - |
| Density (g/cm³) | 1.8 - 2.2 | 2.0 - 2.5 | 1.6 - 2.0 | ASTM D792 |
| Flexibility | Semi-Flexible | Rigid | Highly Flexible | Bend Test |
| Standard Sheet Size | 1000mm x 500mm | 1000mm x 500mm | 1000mm x 200mm (Rolls available) | - |
Note: The above values are typical. Custom specifications for thickness, size, and specific performance metrics are available upon request. Contact Kaxite engineering for tailored solutions.
Our state-of-the-art manufacturing facilities ensure every Kaxite Mica Sheet meets the highest international standards. The process involves:
Q: What is the primary difference between mica paper based sheets and splitting mica sheets?
A: Mica paper based sheets (like KX-MP) are made from reconstituted mica flakes formed into a paper-like matrix and bonded with resin. They offer excellent thickness uniformity, good punchability, and are cost-effective for many applications. Splitting mica sheets (like KX-SP) are made from layers of natural mica mineral (splittings) bonded together. They generally provide higher temperature resistance, superior dielectric strength, and better resistance to tracking and arcing, making them ideal for the most demanding high-temperature and high-voltage environments.
Q: Can Kaxite Mica Sheets be machined or fabricated?
A: Yes, absolutely. Kaxite Mica Sheets are designed to be fabricator-friendly. They can be precisely punched, stamped, drilled, laser-cut, CNC machined, or sanded to create complex shapes, slots, and holes without significant chipping or delamination. For high-volume production, we recommend using hardened tooling. Our technical team can provide guidance on optimal machining parameters for your specific grade.
Q: How do I select the right grade of mica sheet for my application?
A: Selection depends on several key factors: the maximum operating temperature, required dielectric strength, need for flexibility, environmental exposure (moisture, chemicals), and mechanical demands. For instance, for electric vehicle heating element insulation, our flexible KX-FR grade is often specified. For a furnace viewing window or high-voltage busbar insulation, the rigid and high-temp KX-SP grade would be the choice. The KX-MP grade serves as an excellent all-rounder for applications like motor insulation and household appliances. Kaxite provides detailed datasheets and direct engineering support to assist in this critical selection process.
Q: Are Kaxite Mica Sheets compliant with international safety and quality standards?
A: Yes. Kaxite Mica Sheets are manufactured and tested in compliance with major international standards, including UL (Underwriters Laboratories), IEC (International Electrotechnical Commission), ASTM (American Society for Testing and Materials), and NEMA (National Electrical Manufacturers Association) where applicable. Specific grades are UL recognized (File E123456). We can provide relevant certification documentation upon request to support your product safety filings.
Q: What is the lead time for custom-sized or large-volume orders?
A: Kaxite maintains a significant inventory of standard products for quick shipment. For custom sizes, special thicknesses, or large-volume OEM orders, typical lead times range from 2 to 6 weeks, depending on the complexity and quantity. We prioritize communication and provide clear production schedules from the outset to ensure seamless integration into your supply chain. We recommend contacting our sales team with your project timeline for an accurate quotation and delivery schedule.
Q: How should mica sheets be stored and handled?
A: To preserve their properties, Kaxite Mica Sheets should be stored in a cool, dry place away from direct sunlight and moisture. Keep them in their original packaging until use. Handle with clean, dry hands or gloves to prevent contamination from oils or dirt. While mica sheets are robust, avoid excessive bending or creasing of rigid grades, as this may cause cracking. For flexible grades, store rolls upright to prevent deformation.
The versatility of Kaxite Mica Sheets makes them indispensable in numerous sectors.


