Modified PBT+GF30 Thermoplastic Granules: Durable Protection for Fiber Optic Conduits & Industrial Injection Molded Parts
Typical properties of Modified PBT
| Properties | Rated value | Test Method |
| Physical properties | | |
| Specific Gravity | 1.31 g/cm³ | ISO 1183-1 |
| Melt index, mass(2.16 kg;Temperature; 250 °C) | 80 g/10min | ISO 1133 |
| Die shrinkage, parallel | 1.8 - 2.0 % | ISO 294-4 |
| Mold shrinkage, vertical | 1.8 - 2.0 % | ISO 294-4 |
| Mechanical properties | | |
| Tensile Strength(50 mm/min) | 50 MPa | ISO 527-2 |
| Tensile Modulus(50 mm/min) | 7.50% | ISO 527-2 |
| Flexural Strength(2 mm/min) | 65 MPa | ISO 178 |
| Flexural Modulus(2 mm/min) | 2100 MPa | ISO 178 |
| Charpy Notched Impact Strength(23 °C) | 4.5 kJ/m2 | ISO 179 |
| Charpy Unotched Impact Strength(23 °C) | 120 kJ/m2 | ISO 179 |
| Thermal properties | | |
| Heat Deflection Temperature | | |
| Unannealed;1.8 MPa;3.2 mm | 55 °C | ISO 75-1,-2 |
| Unannealed;0.45 MPa;3.2 mm | 150 °C | ISO 75-1,-2 |
| Annealed;0.45 MPa;3.2 mm | 183 °C | ISO 75-1,-2 |
| Vicat temperature(50 °C/h;5 kg) | 172 °C | ISO 306 |
| Flame retardant rating | HB | UL 94 |
Production Description
Advanced PBT compound offers optimized structural integrity, shape retention, and discoloration resistance. Certified for eco-compliance (RoHS/REACH) and safety (UL), it serves lighting industry applications including plastic-aluminum composites, coil formers, and appliance engineering components.
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.
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Fiber Optic Conduits Modified PBT GF30 Thermoplastic Granules Images
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