| Customization: | Available |
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| Feature: | Vacuum Infusion |
| Pattern: | Non-Woven |
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Fiberglass vacuum breather fabric is a specialized functional material designed for vacuum-assisted molding processes (such as vacuum infusion, RTM, etc.). It is typically composed of multi-layered polyester fibers or non-woven composites. Its core function is to evenly distribute vacuum pressure through its breathable structure during resin curing, eliminating air bubbles and excess resin to ensure thorough fiber wetting and minimize defects.
Key features include high breathability, heat resistance, resin impermeability, and chemical stability. It is widely used in the production of high-performance fiberglass components, such as marine vessels, wind turbine blades, and automotive parts.
Technical Data:
| Specification | Standard Value | |
| Area weight (gsm) | 150 | |
| Breaking Strength (N/m) | Parallel | ≥1600 |
| Horizontal | ≥1000 | |
| Breaking Strength (N) | Parallel | ≥80 |
| Horizontal | ≥50 | |
| Elongation at Break (%) | Parallel | ≥110 |
| Horizontal | ≥90 | |
| Break Time (s) |
Parallel | ≥70 |
| Horizontal | ≥50 | |
| Melting point of fluorescent whitening powder (ºC) | ≥300 | |
| Melting point of fiber (ºC) | ≥230 | |
| Fiber viscosity (dl/g) | 0.55 | |
| Fiber strength (N) | 3.4 | |
| Width (m) | 1.5 | |
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