Chopped Strand Mat 450 GSM High Temperature Chemical-Resistant Hand Lay Up Vacuum Infusion Composite Mat
1. Product Overview & Features
Chopped Strand Mat 450 GSM is a non-woven reinforcement material made from E-glass fibers (50mm in length) randomly distributed and bonded with powder/latex binders, offering a weight of 450g/m². Key advantages include:
High Mechanical Strength: Longitudinal and transverse tensile strength ≥70N/150mm, ideal for high-load applications (e.g., boat hulls, automotive parts).
Chemical Resistance: Withstands acids, alkalis, oils, and solvents, suitable for marine and industrial environments.
Easy Processing: Compatible with hand lay-up, filament winding, RTM, and vacuum infusion processes.
Lightweight Design: Low density and uniform structure reduce finished product weight.
Regulatory Compliance: Passes RoHS, REACH, and UL94 certifications, with no asbestos content.
Application Guide
| Model | Key Features | Typical Applications |
| CSM-450-G | High density, smooth surface | Automotive panels, yacht decks, building waterproofing |
| CSM-450-T | High-temperature resistance (-40~150℃) | Cooling tower liners, chimney liners, pipeline wrapping |
| CSM-450-F | Fast curing (<30min@25℃) | Temporary repairs, protective coatings |
| CSM-450-B | Dual-sided PE/PET lamination | Electronics encapsulation, medical device supports |
2. Technical Specifications
| Parameter | CSM-450-G | CSM-450-T | CSM-450-F | CSM-450-B |
| Grams per m² (g/m²) | 450±5 | 450±5 | 450±5 | 450±5 |
| Tensile Strength (N/150mm) | ≥70 (transverse) | ≥75 (transverse) | ≥65 (transverse) | ≥80 (transverse) |
| Temperature Range (℃) | -40~120 | -40~150 | -40~100 | -40~130 |
| Water Absorption (%) | ≤0.5 | ≤0.3 | ≤0.8 | ≤0.2 |
| Flame Retardancy | UL94 HB | UL94 V-0 | UL94 HB | UL94 V-0 |
| Surface Treatment | Matte | Antistatic | Smooth lamination | Dual PE/PET lamination |
3. Packaging Specifications
Industrial-Grade Packaging:
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Inner Layer: Anti-static polyethylene film to prevent fiber shedding.
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Core: Paper tube (76mm/152mm diameter), sealed with moisture-proof paper.
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Outer Packaging: Corrugated cardboard boxes (1200×1000×800mm), max. 20 rolls per box.
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Custom Options: Wooden pallets or crates for humidity-sensitive environments.
4. Storage Guidelines
Optimal Conditions:
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Temperature: 15–25°C (prevents resin softening).
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Humidity: ≤50% RH (avoids moisture absorption).
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Light Protection: UV-blocking cabinets to prevent premature curing.
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Stacking: Flat storage, ≤1.2m height; avoid lateral pressure.
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Shelf Life: 24 months unopened; 60 days after opening (sealed: up to 120 days).
Value-Added Services
Customization Options:
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Size Adjustments: Custom widths (1040–3300mm) and thicknesses (0.3–0.6mm).
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Functional Upgrades: Add flame retardants, conductive carbon fibers, or antimicrobial coatings.
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Certifications: Provide third-party reports (SGS/TÜV) and MSDS.
Product Tags:
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