LFT-G® PA6 HLGF50-FR | The Ultimate Fire-Safe Structural PA6 GF50
LFT-G® 50% Long glass fiber PA6 (High Performance FR)
Usually, engineers have to choose: do you want the extreme strength of PA6 GF50, or do you want Flame Retardancy (V-0)? Adding large amounts of flame retardants typically degrades the mechanical properties of nylon. LFT-G® PA6-HLGF50FR eliminates this compromise.
This is our flagship "High Performance" grade. It combines a massive 50% Long Glass Fiber skeleton with a specialized, non-degrading V-0 Flame Retardant system. Through advanced bonding technology, we achieve mechanical properties 10-15% higher than standard FR grades. It delivers the structural rigidity of metal with the safety certification required for high-voltage electric vehicles (EVs) and industrial power distribution.
√ UL94 V-0 Certified: Safely self-extinguishes in vertical burn tests, preventing fire propagation in critical electrical and transport sectors.
√ Uncompromised Stiffness: Despite the FR additives, it maintains a flexural modulus >16,000 MPa, capable of replacing thermosets and die-cast metals.
√ High Performance Bonding: Enhanced fiber-resin interface ensures that the material does not become brittle, retaining impact strength even with 50% glass load.
Breaking the "FR Trade-Off"
Normally, adding fire safety kills strength. LFT-G® High Performance technology keeps both at the peak.
Standard PA6 GF50 (FR)
High Safety, Low Strength
VS
LFT-G® HLGF50-FR
High Safety +
High Strength
Typical Material Properties (High Perf. FR)
The following values are typical data for LFT-G® PA6-HLGF50FR (High Performance V-0) and are for reference only. Data is for Dry-As-Molded (DAM) state. Please contact us for the official Technical Data Sheet (TDS).
The following values are recommendations. We recommend desiccant / dry air dryers (moisture content below 0.1%).
To minimize fiber breakage and ensure optimal performance, a low-compression, general-purpose screw is highly recommended.
Parameter
Recommendation
Drying Temperature
80 - 100 °C
Drying Time
4 - 6 hours
Melt Temperature (Nozzle ③)
250 - 280 °C
Mold Temperature (Zone ②)
80 - 110 °C
Back Pressure
Low (to minimize fiber damage)
Case Study: Industrial Circuit Breaker (MCCB) Frame
A high-voltage molded case circuit breaker (MCCB). Must endure the massive mechanical shock of tripping a short circuit without deforming or catching fire.
Risk Mitigation Report
Risk 1: Structural Failure Thermoset (BMC) is brittle and cracks under installation torque. Solution: HLGF50FR provides high impact resistance and 240 MPa tensile strength.
Risk 2: Fire Propagation Standard PA6 burns. Solution: LFT-G® HLGF50FR is UL94 V-0 certified, self-extinguishing instantly to prevent electrical fires.
Risk 3: Manufacturing Cost Outcome: Injection molding HLGF50FR is 3x faster than BMC compression molding, reducing unit cost by 25%.
Defense Lines: Critical Safety Applications
⚡
EV Battery End Plates
Compresses battery modules. Needs extreme stiffness (50% LGF) to hold pressure and V-0 safety to prevent thermal runaway propagation.
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Railway Cable Channels
Used in trains. Must meet strict smoke/fire toxicity standards while supporting heavy cable loads without sagging over decades of service.
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Data Center Rack Brackets
Supports heavy server units. Metal-replacement grade stiffness ensures zero deflection, while V-0 rating is mandatory for data center fire safety protocols.
People Also Ask (Google PAA)
1. Does adding flame retardant reduce the strength of Nylon 6?
A: Typically, yes. Flame retardant additives are "impurities" that can lower mechanical strength. However, LFT-G® HLGF50FR overcomes this by using a High Performance bonding technology and 50% Long Glass Fiber. This restores and even exceeds the strength of standard non-FR grades, delivering >240 MPa tensile strength despite being V-0 rated.
2. What is the difference between PA6 V0 and PA6 V2?
A: V-2 allows for flaming drips (which can start other fires), while V-0 (like our HLGF50FR) must self-extinguish within 10 seconds and cannot drip flaming particles. For high-voltage or safety-critical structural parts, V-0 is almost always required to prevent fire propagation.
3. Is glass filled nylon fire resistant?
A: Not automatically. Standard glass-filled nylon burns easily (HB rating). To be "fire resistant," it must be compounded with flame retardants. LFT-G® PA6-HLGF50FR is specifically formulated to provide the structural performance of metal with the certified fire safety of a V-0 engineering plastic.
Ready to Engineer the Next Breakthrough?
Combine ultimate structural strength with V-0 safety using LFT-G® PA6-HLGF50FR. Contact our material specialists today to discuss your project or request a sample.
Usually, engineers have to choose: do you want the extreme strength of PA6 GF50, or do you want Flame Retardancy (V-0)? Adding large amounts of flame retardants typically degrades the mechanical properties of nylon. LFT-G® PA6-HLGF50FR eliminates this compromise.
