
CSM Chopped Strand Mat
Chopped Strand Mat (CSM) is a non-woven glass fiber reinforcement material made from E-glass fibers chopped into 50mm length, randomly and uniformly distributed, and bonded with powder or emulsion binder. It is mainly suitable for hand lay-up and mechanical molding processes, featuring fast resin wet-out, excellent moldability, and easy handling.
Products Features
- Uniform Weight Distribution: Random fiber orientation ensures consistent thickness and stable mechanical properties across the entire product
- Excellent Wet-Out: Fast and homogeneous resin impregnation significantly shortens the molding cycle
- Superior Air Release: Easy bubble removal during lamination, minimizing pinholes and surface defects
- High Transparency: Finished products exhibit excellent light transmission, ideal for roofing sheets and translucent panels
- Excellent Moldability: Moderate mat rigidity allows tight conformity to complex and curved mold surfaces
- Cost-Effective: Low resin consumption and optimized production costs deliver high economic value
- Customizable Specifications: Weight, width, and roll length can be tailored to specific customer requirements
Products Description
Product Code
EMC100
EMC225
EMC300
EMC450
EMC600
EMC900
Area Weight (g/m2)
100 ± 20
250 ± 20
300 ± 20
450 ± 20
600 ± 20
900 ± 20
Moisture (%)
≤ 0.20
≤ 0.20
≤ 0.20
≤ 0.20
≤ 0.20
≤ 0.20
Loi (%)
9 ± 5
2 - 8
2 - 8
2 - 8
2 - 8
2 - 8
Tensile Strength (n/150m)
≥ 70
≥ 80
≥ 130
≥ 150
≥ 170
≥ 180
Note: Width can be customized from 200mm to 3600mm per request; "±5" indicates standard tolerance. Test methods follow ISO 3374, 3344, 1887, 3342, etc.
Products Applications






Packaging and Container Loading



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