Chemical Resistant Heat Stabilized PBT Material for Industrial Relay Sockets and Switches
Typical properties of Modified PBT
| Test Item |
Unit |
|
|
Chemical
Properties
|
Intrinsic Viscosity |
dl/g |
1.300±0.030 |
| Carboxyl End Groups |
mol/t |
≤27 |
| Melting Point |
°C |
≥225 |
| Value L |
- |
≥90 |
| Value b |
- |
≤6.5 |
|
Physical
Properties
|
Density |
g/cm3 |
1.30-1.32 |
| Melt Flow Vate |
g/10min |
7-12 |
| Tensile Strength |
Mpa |
50-60 |
| Elongation |
% |
≥250 |
| Notched Impact Strength |
J/m |
≥45 |
| Dielectric Strength |
KV/mm |
≥20 |
Production Description
Specialty PBT material offers balanced mechanical properties, thermal dimensional stability, and optical clarity retention. UL-approved and environmentally compliant, it serves advanced lighting solutions, heat-conductive assemblies, and precision electrical applications.
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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