7637 Fiberglass Cloth
Product Description
The 7637 Impregnated Fiberglass Fabric is a high-quality E-glass woven material designed for applications requiring enhanced mechanical strength, thermal resistance, and dimensional stability. This customized version features a high areal weight , combined with uniform resin impregnation to ensure superior handling, consistent resin content, and improved laminate performance.
With its balanced structure, smooth surface, and excellent wet-out characteristics, the 7637 impregnated fabric is widely used in aerospace, electronics, industrial insulation, and composite reinforcement applications.
Our Advantages
Excellent electric insulation
Fire-resistance
High temperature resistance
Weather resistance
Highstrength
High modulus.
Product Parameters
| Fiberglass Fabric |
7637 impregnated fabric |
7637 loomstate fabric |
Item |
Test Method |
Standard |
Standard |
Unit Weight |
GBT 9914.3-2013 |
230±5 |
230±5 |
Meridional Density |
GBT 7689.2-2013 |
17.2±0.1 |
17.2±0.1 |
Zonal Density |
GBT 7689.2-2013 |
8.5±0.1 |
8.5±0.1 |
Thinkness |
GBT 7689.1-2013 |
0.190±0.02 |
0.190±0.02 |
Loss On Ignition |
GBT 9914.2-2013 |
0.08±0.04 |
≤3 |
Permeability |
GBT 5453-1997 |
≤10 |
≤5 |
Meridional Tension |
GBT 7689.5-2013 |
≥500 |
≥1100 |
Zonal Tension |
GBT 7689.5-2013 |
≥350 |
≥800 |
Application
Electrical insulating materials (laminates, copper-clad base materials)
Composite structural reinforcement
Aerospace thin-wall composite components
Industrial thermal and insulation layers
High-durability composite panels
Structural strengthening and heat protection surfaces
Advantages
Uniform resin content, low void rate after lamination
Smooth lay-up and clean handling
Excellent chemical and moisture resistance
High dimensional stability for precise composite applications
Compatible with multiple resin systems (epoxy, phenolic, etc.)
FAQ
Q1: What resin systems are compatible with 7637 fiberglass cloth?
A1: Epoxy, phenolic, polyester, and vinyl ester resins.
Q2: Can it be used for high-temperature applications?
A2: Yes, E-glass fibers provide thermal resistance up to 550°C, depending on the resin system.
Q3: How should the fabric be stored?
A3: Keep in a dry, cool place, away from direct sunlight. Seal in original packaging until use.
Q4: How can I cut the fabric without fraying?
A4: Use sharp scissors or rotary cutters, and consider sealing edges with adhesive tape if needed.
Q5: What is the minimum order quantity?
A5: Depends on customer requirements; please contact sales for details.
Detailed Photos



