Chopped Strand Mat is a versatile, cost-effective, and easy-to-use reinforcement material with isotropic properties, making it ideal for a wide range of applications in industries such as marine, automotive, construction, and more. Its ability to conform to complex shapes and provide a good surface finish makes it a popular choice in the composites industry.
Advantages :
Ease of Use: CSM is easy to handle, cut, and mold, making it suitable for manual lay-up processes.
Cost-Effective: It is relatively inexpensive compared to other reinforcement materials like woven fabrics.
Good Conformability: CSM conforms well to complex shapes and contours, making it ideal for molding intricate parts.
High Resin Absorption: The random fiber orientation allows for high resin uptake, ensuring good wetting and bonding.
Isotropic Properties: The random fiber distribution provides uniform strength in all directions.
Versatility: Compatible with various resins (polyester, vinyl ester, epoxy) and suitable for a wide range of applications.
Good Surface Finish: CSM produces a smooth surface finish when used in moldings.
Applications:
● Marine Industry: Used in the construction of boats, kayaks, and other marine structures due to its water resistance and durability.
● Automotive: Employed in the production of car body parts, bumpers, and interior components.
● Construction: Used for making panels, tanks, pipes, and roofing materials.
● Wind Energy: Applied in the manufacturing of wind turbine blades.
● Storage Tanks: Used for creating chemical storage tanks and water tanks due to its corrosion resistance.
● General Composites: Suitable for making bathtubs, shower trays, and other molded products.
●
Repair Work: Often used for repairing damaged fiberglass structures.
Caracteristics:
● Fiber Length: Typically, the glass fibers are chopped into lengths of 25-50 mm.
● Weight: Available in various weights (e.g., 300 g/m², 450 g/m², 600 g/m²) to suit different applications.
● Binder Type: The binder is usually a powdered or emulsion-based polyester resin that dissolves in the resin during the molding process.
● Thickness: Thickness varies depending on the weight and density of the mat.
● Compatibility: Works well with hand lay-up, spray-up, and resin infusion processes.
| Weight(GSM) |
Area Weight(%) |
Moisture Content(%) |
Size Content(5%) |
Breakage Strength(N) |
| 100 |
±5 |
≤0.2 |
10.5(1±31%) |
≥80 |
| 150 |
±5 |
≤0.2 |
8.0(1±31%) |
≥80 |
| 200 |
±5 |
≤0.2 |
5.0(1±31%) |
≥100 |
| 225 |
±5 |
≤0.2 |
4.5(1±31%) |
≥100 |
| 300 |
±5 |
≤0.2 |
4.0(1±31%) |
≥120 |
| 375 |
±5 |
≤0.2 |
3.8(1±31%) |
≥120 |
| 450 |
±5 |
≤0.2 |
3.7(1±31%) |
≥140 |
| 600 |
±5 |
≤0.2 |
3.5(1±31%) |
≥160 |
| 900 |
±5 |
≤0.2 |
3.3(1±31%) |
≥200 |