Xiamen HMT International Trade Co., Ltd
Xiamen HMT International Trade Co., Ltd
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Glass Fiber Reinforced Recycled PP: High-Performance Engineering Plastic for Injection
Product models in the automotive lighting field
| Properties | Test Condition | Test Method | Unit | Typical Value |
| Physical | | |||
| Specific Gravity | | ASTM D792 | - | 1.21 |
| Molding Shrinkage (Flow), 3.2mm | | ASTM D955 | % | 0.5 ~ 0.7 |
| Melt Flow Rate | 300ºC/1.2kg | ASTM D1238 | g/10min | 12 |
| Mechanical | | |||
| Tensile Strength, 3.2mm | | ASTM D638 | | |
| Yield | 50mm/min | | kg/cm^2 | 630 |
| Tensile Elongation, 3.2mm | | ASTM D638 | | |
| Yield | 50mm/min | | % | |
| Break | 50mm/min | | % | 100 |
| Tensile Modulus, 3.2mm | 1mm/min kg/cm^2 | ASTM D638 | kg/cm^2 | |
| Flexural Strength, 3.2mm | 10mm/min | ASTM D790 | kg/cm^2 | 970 |
| Flexural Modulus, 3.2mm | 10mm/min | ASTM D790 | kg/cm^2 | 23,000 |
| IZOD Impact Strength, 3.2mm | | ASTM D256 | | |
| (Notched) | 23ºC | | kg·cm/cm | 70 |
| | -30ºC | | kg·cm/cm | |
Production Description
PP's semi-crystalline nature yields high-impact durability, mechanical integrity, and organic/acid-base resistance. Essential in industrial contexts and Australian monetary systems. Modified using glass fibers (30% reduces shrinkage to 0.7%), metal particles, or rubber polymers. Lower MFR (1-40 range) prioritizes impact resistance over tensile strength, with copolymers outperforming homopolymers. Crystallization-induced shrinkage (1.8-2.5%) maintains better directional stability than HDPE materials.
Key Advantages Over Standard PP
Tailored performance for niche applications.
Cost-effective alternative to engineering plastics like ABS or nylon.
Retains PP’s inherent benefits (lightweight, chemical resistance) while addressing weaknesses.
Product application in LED light field
Product application in Switch and Socket
Product application in Toilet-Seat
Company Profile
HMT International is a leading global manufacturer and exporter specializing in modified plastics, operating under the brand Chongyuan. Established with a commitment to innovation and sustainability, we engineer high-performance thermoplastic compounds tailored to meet the evolving demands of industries worldwide.
Certified to ISO 9001, ISO 14001, and compliant with RoHS/REACH standards, we align our operations with global sustainability goals while delivering exceptional technical support and supply chain reliability.
3,000+ customized formulations.
500,000+ MT annual production capacity.
25+ years of polymer expertise.
ISO 9001 & ISO 14001 certified facilities.