20mm E-Glass Fiberglass Needle Mat for Sound Insulation - 800°C Temperature Resistance, 100-300kg/m³ Density
Price:
US$5.16-6.20/m2
MOQ:
500m2
Delivery Time:
20 days after receiving payment
Brand:
Unionfull
Product Description
Product Overview
20mm E-glass fiberglass needle mat engineered for superior sound and thermal insulation in mufflers and silencers. Manufactured through mechanical needling process using 3cm to 8cm glass fibers, this binder-free material delivers exceptional performance under high-temperature conditions up to 800°C.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | Unionfull |
| Type | E-glass |
| Weight | 100-300kg/m³ |
| Thickness | 20mm |
| Width | 120cm |
| Temperature Resistance | Below 800°C (1472°F) |
Performance Data
Thermal Insulation Properties
| Temperature (°C) | Thermal Conductivity (kal/m·hr·°C) |
|---|---|
| 25 | 0.030 |
| 100 | 0.037 |
| 200 | 0.048 |
| 300 | 0.058 |
| 400 | 0.076 |
| 500 | 0.094 |
| 600 | 0.112 |
| 700 | 0.16 |
Acoustic Performance
| Frequency (Hz) | Noise Isolation Coefficient |
|---|---|
| 125 | 0.32 |
| 250 | 0.76 |
| 500 | 0.94 |
| 1000 | 0.96 |
| 2000 | 0.95 |
| 4000 | 0.98 |
Excellent noise isolation capacity; absorbs noise and vibration with sound absorption coefficient exceeding 90%.
Key Features
- High-Temperature Resistance: Withstands temperatures up to 800°C without shrinkage or degradation
- Customizable Dimensions: Available in thicknesses from 3mm to 25mm and widths up to 240cm
- Fire Resistant: Non-combustible glass fiber composition ensures fire safety
- Superior Sound Absorption: Over 90% sound absorption coefficient across multiple frequencies
- Chemical Resistance: Resists corrosion from strong acids and alkalis
- Lightweight & Flexible: Reduces mechanical burden and vibration transmission
Applications
Ideal for automotive mufflers, industrial silencers, elevator sound insulation, fireproof wadding, and filtration systems where high-temperature resistance and acoustic performance are critical.
Product Images
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Unionfull (Insulation) Group Ltd.
Location
Textiles Technology Park,No.35 Jingbianshi Rd,Jiaxing, Zhejiang Province,China
Contact Person
Sam