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What are LFT Fiberglass Roving and CFT Fiberglass Roving?
LFT Fiberglass Roving (Long Fiber Thermoplastic Glass Fiber Roving)
LFT fiberglass roving is a type of glass fiber direct roving specifically designed for Long Fiber Thermoplastic (LFT) composite manufacturing processes. It features:
1. **Material Characteristics**:
– Made from E-glass fibers, coated with a silane-based sizing agent that provides excellent compatibility with thermoplastic resins such as polypropylene (PP), polyamide (PA), and polyethylene terephthalate (PET).
– Offers high wear resistance, low fuzz, and good dispersion properties.
2. **Process Applications**:
– **LFT-D (Direct Long Fiber Thermoplastic)**: The glass fiber roving is fed into a twin-screw extruder along with polymer granules, where it is melted and directly injection-molded or compression-molded.
– **LFT-G (Glass Mat Reinforced Thermoplastics)**: The glass fiber roving is impregnated with molten thermoplastic resin in a special dispersion mold, cooled, and cut into pellets for subsequent injection or compression molding.
3. **Advantages**:
– Provides superior mechanical properties and thermal stability.
– Suitable for applications in automotive components, construction, electronics, and aerospace industries.
4. **Product Specifications**:
– Linear density range: 400-4800 tex.
– Fiber diameter: 14-17 μm.
#### CFT Fiberglass Roving (Composite Fiber Technology Glass Fiber Roving)
CFT fiberglass roving is less documented in public sources, but it is likely similar to LFT roving and is used in Composite Fiber Technology (CFT) processes. It may have the following characteristics:
1. **Material Characteristics**:
– Made from high-performance glass fibers with surface treatments and sizing agents optimized for specific composite manufacturing processes.
2. **Process Applications**:
– Likely used in continuous fiber-reinforced composite manufacturing, such as continuous fiber-reinforced thermoplastics or thermosets.
3. **Advantages**:
– Provides high-strength and lightweight solutions for applications requiring high-performance composites.
4. **Potential Application Fields**:
– Automotive, aerospace, construction, and sports equipment industries.
Summary
LFT fiberglass roving is a specialized glass fiber direct roving designed for long fiber thermoplastic composite manufacturing. It offers excellent mechanical and processing properties and is widely used in automotive, construction, and electronics industries. CFT fiberglass roving, while less documented, is likely similar to LFT roving and used in composite fiber technology processes.