HDPE LGF50 High Stiffness Chemical Resistant LFT-G
HDPE LGF50 High Stiffness Chemical Resistant LFT-G suppliers
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HDPE LGF50 High Stiffness Chemical Resistant LFT-G
Details
LFT‑G® HDPE LGF50 is a 50% long glass fiber-reinforced high-density polyethylene compound engineered for high stiffness, chemical resistance, and reliable performance in wet or cold environments. √ High stiffness & creep resistance √ Chemical & moisture resistant √ Low‑temperature impact strength √ Cost‑effective metal replacement
Long Glass Fiber Reinforced High Density Polyethylene
LFT-G® HDPE LGF50 is a high‑performance injection molding compound with a 50% long glass fiber reinforced HDPE matrix. It delivers excellent chemical resistance, extremely low moisture absorption, and superior creep resistance even in wet or corrosive environments. The long‑fiber network enhances stiffness and dimensional stability, making it a reliable choice for industrial components exposed to harsh conditions.
Key Features
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Chemical & Moisture Barrier
Excellent resistance to acids, alkalis, and water absorption.
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Low‑Temperature Impact
Retains toughness even in freezing environments.
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High Glass Fiber Loading
Maximum rigidity and creep resistance.
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Excellent Dimensional Stability
Low warpage and consistent molding for large parts.
Performance Edge: Long Fiber vs. Short Fiber
Long glass fibers create a continuous internal network that short fibers cannot match. This structural integrity allows LFT-G® HDPE LGF50 to transfer loads more efficiently, resist crack initiation under impact, and maintain stiffness over time.
Optimal results with LFT-G® HDPE LGF50 require proper drying, screw design, and mold temperature control to preserve long fiber length and maximize mechanical performance.
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Step 1: Drying
Dry at 90- 110 °C for 3- 4 h with a desiccant dryer. Keep moisture <0.01% to prevent hydrolysis.
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Step 2: Processing
Set nozzle melt temp 210-240°C, mold temp 40-60°C. Use slow to moderate injection speed at 80-115 MPa.
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Step 3: Tooling Notes
Use a low-compression screw, full round runners & large gates. L/D ratio 18:1-24:1, clamp force >100T.
🔥 Melt Temperature:
210-240°C
⏱️ Injection pressure:
80-115 MPa
❄️ Mold temperature:
40~60°C
💧 Pre-drying:
90-110°C / 3-4h
Where HDPE LGF50 Excels
Chemical Storage Tanks and Piping
Excellent chemical and water resistance allow LFT‑G® HDPE LGF50 to replace metal in industrial tanks and pipe fittings, solving corrosion long‑term leakage in acidic or wet environments.
Cold-Chain Logistics Components
Low‑temperature impact toughness and low moisture uptake make LFT‑G® HDPE LGF50 ideal for freezer pallets and transport crates, eliminating brittle failure and dimensional swelling in freezing conditions.
Large‑Scale Industrial Enclosures
High stiffness with cost‑effective lightweighting enables LFT‑G® HDPE LGF50 in pump housings and equipment covers, solving excessive weight and creep deformation under continuous load.
FAQ
Q: How does HDPE LGF50 compare to short glass fiber HDPE?
A: Long fibers stay connected in the part, giving higher impact strength, better creep resistance, and less warpage than short fiber grades. This means longer part life and reliable performance under continuous load.
Q: Is HDPE LGF50 resistant to chemicals and moisture?
A: Yes. It resists acids, alkalis, and water absorption, making it ideal for tanks, pipes, and outdoor use in wet environments. It solves corrosion problems that limit metal or standard plastics.
Q: Can HDPE LGF50 handle freezing temperatures?
A: Yes. It retains good impact toughness in cold conditions, perfect for freezer pallets and cold‑chain logistics. No brittle cracking even at sub‑zero temperatures.
