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High Performance Graphite Paper Factory Leading China Suppliers of Industrial Sealing Sheets
Our high-performance Graphite Paper is engineered through advanced chemical treatment and high-temperature expansion rolling of high-carbon phosphorus sheets. Designed for extreme industrial environments, it serves as a premium basic material for manufacturing professional-grade graphite seals, offering an ideal alternative to traditional asbestos, rubber, and fluorine plastic sealing materials.
Beyond its primary sealing capabilities, this graphite paper is highly optimized for electrical conductivity, thermal management, and heat dissipation. Whether used in semiconductor manufacturing, aerospace, or the petrochemical industry, it ensures superior stability and reliability under demanding thermal and chemical conditions.
Detailed Parameters
| Density | 1.0g/cm³ - 1.7g/cm³ | Thickness Range | 0.025mm - 5mm |
|---|---|---|---|
| Operating Temp | -40ºC to 400ºC | Refractoriness | -200ºC to 600ºC |
| Tensile Strength | ≥3 (General) / 715psi (Spec) | Hardness | 80 - 85 |
| Horizontal Conductivity | 1100 - 1900 W/m-k | Vertical Conductivity | 25 W/m-k |
| Flame Rating | V-0 | pH Value | 0 - 14 |
Key Advantages
Corrosion Resistance
Exceptional stability against aggressive chemicals, ensuring long-term durability in harsh industrial environments.
High Temp Stability
Capable of withstanding extreme temperature fluctuations from -200ºC up to 600ºC without degradation.
Superior Conductivity
High electric and thermal conductivity makes it ideal for heat-sinking and electronic component shielding.
Low Thermal Expansion
Maintains dimensional stability during heating cycles, preventing leaks and structural failure in seals.
Lightweight Design
Offers a high strength-to-weight ratio, occupying minimal space while providing maximum sealing efficiency.
Fire Resistance
Certified V-0 flame rating ensures maximum safety in high-risk electrical and industrial applications.
Product Gallery
Management Platforms
Industrial Grade Production
Direct factory manufacturing in an 18,000m² workshop with 100+ skilled employees.
Customized Solutions
Tailored thickness and density specifications to meet precise engineering requirements.
Quality Assurance
Strict adherence to industrial standards for refractoriness and electrical conductivity.
High Capacity Supply
Production capacity of 1000 Tons/Month ensures stable supply for large-scale projects.
Global Logistics
Flexible delivery terms including FOB, CFR, and CIF with secure wooden pallet packaging.
Diversified Portfolio
Specialized in Graphite Blocks, Plates, Rods, Tubes, and Crucibles for one-stop sourcing.
Investment Return Comparison
| Performance Metric | Traditional Seals | Nalai Graphite Paper |
|---|---|---|
| Temp Resistance | Low to Medium | Extreme (-200°C to 600°C) |
| Chemical Stability | Prone to Corrosion | Highly Corrosion Resistant |
| Thermal Dissipation | Insulating | High (Up to 1900 W/m-k) |
| Lifespan/Durability | Short (Frequent replacement) | Long-term Industrial Life |
| Maintenance Cost | High (Due to failure) | Low (High Stability) |
Frequently Asked Questions
Graphite paper is primarily used as a high-temperature sealing material for valves, shafts, and flanges, as well as a thermal management material for smartphones and semiconductor equipment.
Its high horizontal conductivity (up to 1900 W/m-k) allows for efficient heat dissipation, preventing overheating in high-performance PCs, LED devices, and tablets.
Yes, it is an ideal, eco-friendly replacement for asbestos, rubber, and fluorine plastics, offering superior heat and chemical resistance.
The minimum order quantity (MOQ) is typically 1 ton, though we provide various customized services based on specific client requirements.
The standard delivery time is 2-3 weeks after the deposit is received, depending on the order volume and specifications.
To ensure safety during transit, our graphite paper is packed in cartons and secured on wooden pallets or within wooden cases.
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