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308S Direct Roving or Assembled Roving is produced with E6 glass formulation and coated with a silane-based sizing composition.It is specially designed for reinforcing epoxy resin and suitable for both amine and anhydride curing systems.
The composites of epoxy resin reinforced with 308S have excellent mechanical and anti-fatigue properties.308S is suitable for high-tension winding and pultrusion processes.Typical applications include wound pipes,high pressure cylinders and pultruded profiles.
Product Features
- Fast and completewet-out and good bondingwith resins
- Goodprocess performance and low fuzz
- Suitablefor highspeed,hightensionflamentwinding process
- Excellent mechanicalproperties and fatigue resistance
- Excellent acid corrosion resistance
Specification
| Glasstype | E6 | ||
| Sizingtype | Silane | ||
| Typicalfilamentdiameter(μm) | 17 | 21 | 24 |
| Typicallineardensity(tex) | 600/735 900/1100 1200/2400 | 2000 2100 | 2400 4800 |
| Example (Direct Roving) | E6DR17-2400-308S | ||
| Example (Assembled Roving) | E6R17-1100-308S(U) | ||
Technical Parameters
| Item | Linear density variation | Moisture content | Sizing content | Breakage strength |
| Unit | % | % | % | N/tex |
| Test menthod | ISO1889 | ISO3344 | ISO1887 | ISO 3341 |
| Standard range | ±5(<600 tex) ±4(≥600 tex) | ≤0.07 | 0.55±0.15 | ≥0.40(<4800 tex) ≥0.35(≥4800 tex) |
Mechanical Properties
| Mechanical properties | Unit | Value | Resir | Test menthod |
| Tensile strengtt | MPa (Ksi) | 2590.0 (375.6) | Amine/DER331 | ASTM D2343 |
| Tensile modulus | GPa (Msi | 82.2 (11.9) | Amine/DER331 | ASTM D2343 |
| Shear strength | MPa (Ksi) | 74.3 (10.8) | Amine/DER331 | ASTM D2344 |
| Strength retention(72 hr boiling) | % | >96 | Amine/DER331 | / |
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 conditioned to be close or equal to the ambient temperature and humidity before use, and the ambient temperature and humidity should be properly controlled during the use.
- When using the product,please control the tension properly and ensurethetensionuniformity
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.