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Help CenterBasalt Fiber Veil | High Performance Wet-laid Nonwoven Basalt Fiber Veil for PCB, Insulation & Industrial Use
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What is Basalt Fiber Veil?
Our Basalt Fiber Wet-laid Veil is a high-performance industrial nonwoven material, manufactured from natural basalt ore melted and drawn at high temperature, with basalt chopped strand as the core raw material. Adopting a papermaking-like wet-laid process, coated with special acrylic acid binder and dried, the final product delivers comprehensive excellent properties, with mechanical performance between glass fiber and carbon fiber.
With inherent outstanding temperature resistance and chemical stability, our basalt fiber veil is widely trusted in global industrial scenarios requiring high reliability, and has become a premium alternative to traditional glass fiber nonwoven materials.
Key Features & Advantages
• Superior High Temperature Resistance: Optimal long-term working temperature up to 200℃, fiber deformation temperature at 700℃, with ultra-low thermal shrinkage under extreme high temperature environments
• Inherent Flame Retardant Performance: Leverages the natural flame retardant property of basalt fiber, meets strict fire safety requirements for industrial and construction applications
• Outstanding Acid & Alkali Corrosion Resistance: Excellent chemical stability, significantly extends the service life of components in harsh corrosive working conditions
• Premium Thermal & Electrical Insulation: Ultra-low thermal conductivity and stable electrical insulation performance, ideal for electronic and thermal insulation core scenarios
• Excellent Sound Insulation & Absorption: Superior acoustic performance for industrial and construction noise reduction applications
• Eco-friendly & Sustainable: No boron emissions during production, naturally biodegradable, fully compliant with global environmental protection standards
Standard Product Types
Product Category |
Standard Specification |
Surface Veil |
20g/㎡, 40g/㎡, 60g/㎡, 80g/㎡ |
Roofing Veil |
30g/㎡, 40g/㎡, 50g/㎡ |
Printed Circuit Board (PCB) Grade Veil |
75g/㎡, 105g/㎡ |
Custom Functional Veil |
Flame retardant veil, waterproof overlaying veil, other custom functional types |
Detailed Specification & Performance Data
General Technical Parameters
• Fiber Chopped Length: 6mm
• Standard Roll Width: 1000mm / 1200mm
• Binder Material: Acrylic Acid
• Optimal Working Temperature: 200℃
• Fiber Deformation Temperature: 700℃
Detailed Performance Index
Area Weight |
Thickness |
Tensile Strength |
Moisture Content |
g/m² |
mm |
N/50mm |
% |
6±1 |
0.06±0.01 |
2.5±0.5 |
≤0.28 |
8±1 |
0.08±0.01 |
5.5±0.5 |
≤0.29 |
10±1 |
0.09±0.01 |
5.6±0.5 |
≤0.295 |
15±1 |
0.13±0.01 |
6.9±1 |
≤0.35 |
20±1 |
0.18±0.02 |
11±2 |
≤0.37 |
30±2 |
0.21±0.02 |
16.9±2 |
≤0.38 |
50±2 |
0.38±0.02 |
25.8±0.3 |
≤0.38 |
Customized specifications are available upon customer request |
Wide Industrial Applications
Our basalt fiber veil is widely used in global high-end industrial fields, including but not limited to:
• Printed Circuit Board (PCB): Electronic insulation core material for PCB manufacturing
• Vacuum Insulation Panel (VIP): High-performance thermal insulation layer for VIP
• Battery Partitions: Acid-resistant separator material for power batteries
• Building & Construction: Flame retardant and thermal insulation structures, anti-leakage and corrosion-resistant layer for pipelines, improves the extreme environment resistance of building structural components
• Aerospace: Lightweight high-performance composite components
• High-end Sports Equipment: Reinforced lightweight parts
• Weight-saving Resin Parts: Reinforced composite resin components
• Other industrial fields: Surface finishing, corrosion protection, and other special industrial scenarios
Customization Service
We provide full customized solutions for basalt fiber veil to meet your unique project and production requirements. Customizable parameters include:
• Area weight (gram weight)
• Fabric width and roll length
• Combustible content
• Functional properties (flame retardant, waterproof overlaying, etc.)
As a professional basalt fiber veil manufacturer and supplier in China, we are committed to providing high-quality industrial basalt fiber nonwoven products with competitive wholesale prices, strict quality control and reliable after-sales service. Welcome to contact us for free custom samples, detailed product quotes and full technical support.
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