Xiamen HMT International Trade Co., Ltd
Xiamen HMT International Trade Co., Ltd
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UL94 V-0 Certified PBT Resin with Glass Fiber: Halogen-Free Material for LED Lighting and Thin-Wall Molding
Typical properties of Modified PBT
| Properties | Test Condition | Test Method | Unit | Typical Value |
| Physical | ||||
| Specific Gravity | ASTM D792 | - | 1.42 | |
| Molding Shrinkage | ASTM D955 | % | 1.2 ~ 2.0 | |
| Melt Flow Rate | 250ºC/2.16kg | ASTM D1238 | g/10min | 18 |
| Water Absorption | 23ºC, 24hrs | ASTM D570 | % | 0.08 |
| Mechanical | ||||
| Tensile Strength, 3.2mm | ASTM D638 | |||
| Yield | 50mm/min | kg/cm2 | 520 | |
| Flexural Strength, 3.2mm | 1.3mm/min | ASTM D790 | kg/cm2 | 820 |
| Flexural Modulus, 3.2mm | 1.3mm/min | ASTM D790 | kg/cm2 | 22,000 |
| IZOD Impact Strength, 6.4mm | ASTM D256 | |||
| (Notched) | 23ºC | kg·cm/cm | 6.0 | |
| Thermal | ||||
| Melt Temperature | ASTM D3418 | ºC | 223 | |
| Heat Deflection Temperature, 6.4mm | ASTM D648 | |||
| (Unannealed) | 18.6kg | ºC | 62 | |
| 4.6kg | ºC | |||
| Flammability | UL94 | |||
| 0.71mm | class | V-0 | ||
| 1.5mm | class | V-0 | ||
| 3.0mm | class | V-0, 5VA | ||
| Relative Temperature Index | UL 746B | |||
| Electrical | ºC | 130 | ||
| Mechanical with Impact | ºC | 130 | ||
| Mechanical without Impact | ºC | 140 |
Production Description
Premium-grade PBT material features enhanced load-bearing capacity, thermal stability, and anti-aging characteristics. Complying with global environmental regulations and UL standards, it's applied in LED housing components, hybrid cooling elements, and industrial bobbin manufacturing.
The application fields are similar to thermal conductive PA, and it is mainly used in large-sized lighting fixtures with high toughness requirements
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.