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302 is a continuous E-glass single-end roving coated with a silane-based sizing.It isused to reinforce polyester resin,vinyl ester resin and other resins.
302 offers multiple properties such as soft strands,excellent wear resistance,andlow fuzz.It is suitable for hand weaving process to make gratings.In addition,302has good compatibility with matrix resins and offers fast and complete resin wet-out.
Product Features
- Good wear resistance,low fuzz,and good processing properties
- Soft strand and low unwinding tension
- Multi-resin compatibility,providing fast and complete wet-
- mechanical properties of finished parts
Specification
Glass type | E | |
Sizing type | Silane | |
Typical filament diameter (μm) | 22 | 24 |
Typical linear density (tex) | 2200 4400 | 2400 4800 |
Example | EDR24-2400-302 |
Technical Parameters
ltem | Linear density variation (%) | Moisture content (%) | Sizing content (%) | Breakage strength (N/tex) |
Test method | ISO 1889 | ISO 3344 | /SO 1887 | ISO 3341 |
Standard range | ±5(<600 tex) ±4(≥600 tex) | ≤0.07 | 0.50±0.15 | ≥0.35 |
Mechanical properties
Mechanical properties | Unit | Value | Resin | Test menthod |
Tensile strength | MPa | 2536 | EP epoxy | ASTM D2343 |
Tensile modulus | GPa | 79.13 | EP epoxy | ASTM D2343 |
Shear strength | MPa | 67.0 | EP epoxy | ASTM D2344 |
Strength retention(72 hr boiling) | % | >91 | EP epoxy | / |
Instructions
- The product is best used within 12 months after production, and should be kept in the original package before use.
- Care should be taken when using the product to prevent it from being scratched or damaged.
- The temperature and humidity of the product should be balanced with the ambient temperature and humidity before use, and theambient temperature and humidity should be properly controlled during the use.
- When using the product,please control the tension properly and ensure the tension uniformity.
Packaging
For detailed package size information, please download the product manual to view!
Storage
Unless otherwise specified, the fiberglass products should be stored in a dry,cool and moisture-proof area.The best temperature and humidity should be maintained at -10℃~35℃ and ≤80% respectively. To ensure safety and avoid damage to the product, the pallets should be stacked not more than three layers high. When the pallets are stacked in two or three layers, special care should be taken to correctly and smoothly move the upper pallet.