Proper packaging and storage are critical to maintain the performance of fiberglass roving, woven roving, chopped strand mat and other reinforcement materials, directly affecting final composite product quality.
1. Packaging StandardsKeep products tightly and neatly wound, free from distortion, fold or damage.
Seal each item with PE film for full moisture isolation.
Use carton or wooden outer packing; stack pallets properly to avoid extrusion and deformation.
2. Storage Environment
Store in dry, cool and ventilated warehouses, no water exposure.
Temperature: 5℃–35℃
Humidity: 35%–65% RH
High humidity will deactivate the sizing agent and weaken fiber-resin bonding. Equalize product temperature before opening packages to avoid condensation.
3. Shelf Life & Management
Best usage period: 6–12 months after delivery for optimal interfacial performance.
Keep original packaging fully sealed for long-term storage or unused stock.
Key Takeaway
Moisture is the main cause of fiberglass performance degradation.
Standardized packaging and storage ensure stable physical condition, reliable chemical activity, and consistent mechanical performance of composite end products.
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