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PBT (Polybutylene terephthalate)
Polybutylene terephthalate (PBT) is a thermoplastic engineering polymer that is used as an insulator in the electrical and electronics industries. It is a thermoplastic (semi-)crystalline polymer, and a type of polyester. PBT resists solvents, shrinks very little during forming, is mechanically strong, is heat-resistant up to 150 °C (or 200 °C with glass-fibre reinforcement), and can be treated with flame retardants to make it noncombustible.
Commodity details:
Polybutylene terephthalate (PBT) is a thermoplastic engineering polymer that is used as an insulator in the electrical and electronics industries. It is a thermoplastic (semi-)crystalline polymer, and a type of polyester. PBT resists solvents, shrinks very little during forming, is mechanically strong, is heat-resistant up to 150 °C (or 200 °C with glass-fibre reinforcement), and can be treated with flame retardants to make it noncombustible.
Specification:
PBT SPECIFICATIONS | |||||||||||
ITEM | UNIT | Method | TUNHE GRADE NO. | ||||||||
TH6068 | TH6075 | TH6080 | TH6082 | TH6085 | TH6090 | TH6095 | TH6100 | TH6100F | |||
Intrinsic Viscosity | DI/g | GBT/14190 | 0.680±0.012 | 0.750±0.012 | 0.800±0.012 | 0.820±0.012 | 0.850±0.012 | 0.900±0.012 | 0.950±0.012 | 1.000±0.012 | 1.015±0.012 |
Melting Point | ℃ | GBT/19466.3 | ≥222 | ≥222 | ≥222 | ≥222 | ≥222 | ≥222 | ≥222 | ≥222 | ≥222 |
Carboxyl End Groups | mol/t | GBT/14190 | ≤20 | ≤20 | ≤20 | ≤20 | ≤20 | ≤20 | ≤20 | ≤20 | 18±2 |
Color(L) | - | GBT/14190 | ≥94 | ≥94 | ≥94 | ≥94 | ≥94 | ≥94 | ≥94 | ≥94 | ≥94 |
Color(B) | - | GBT/14190 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 |
Water Content | % | GBT/14190 | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.1 |
Ash Content | mg/kg | GB/T9345.1 | ≤300 | ≤300 | ≤300 | ≤300 | ≤300 | ≤300 | ≤300 | ≤300 | ≤300 |
Weight of 100 Granule | g | GB/T 8170 | 2.2±0.2 | 2.2±0.2 | 2.2±0.2 | 2.2±0.2 | 2.2±0.2 | 2.2±0.2 | 2.2±0.2 | 2.2±0.2 | 2.2±0.2 |
Tensile strength | MPa | GB/T 1040.2 | / | / | / | ≥50 | ≥50 | ≥50 | ≥50 | ≥50 | ≥50 |
Bending strength | MPa | GB/T9341 | / | / | / | ≥60 | ≥60 | ≥60 | ≥60 | ≥60 | ≥60 |
Flexural modulus | MPa | GB/T9341 | / | / | / | ≥2000 | ≥2000 | ≥2000 | ≥2000 | ≥2000 | ≥2000 |
Impact strength of cantilever beam gap | J/M | GB/T1843 | / | / | / | ≥40 | ≥40 | ≥40 | ≥40 | ≥40 | ≥40 |
Note: Customization and tailor made PBT is available upon customer requirements.
PBT SPECIFICATIONS | ||||||||
ITEM | UNIT | Method | TUNHE GRADE NO. | |||||
TH6110 | TH6120 | TH6090G | TH6100G | TH6120G | TH6125G | |||
Intrinsic Viscosity | DI/g | GBT/14190 | 1.100±0.012 | 1.200±0.012 | 0.930±0.020 | 1.000±0.020 | 1.230±0.020 | 1.250±0.020 |
Melting Point | ℃ | GBT/19466.3 | ≥222 | ≥222 | ≥222 | ≥222 | ≥222 | ≥222 |
Carboxyl End Groups | mol/t | GBT/14190 | ≤20 | ≤30 | ≤10 | ≤10 | ≤12 | ≤12 |
Color(L) | - | GBT/14190 | ≥94 | ≥94 | ≥94 | ≥94 | ≥94 | ≥94 |
Color(B) | - | GBT/14190 | ≤3 | ≤3 | ≤3 | ≤3 | ≤4 | ≤4 |
Water Content | % | GBT/14190 | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.1 |
Ash Content | mg/kg | GB/T9345.1 | ≤300 | ≤300 | ≤300 | ≤300 | ≤300 | ≤300 |
Weight of 100 Granule | g | GB/T 8170 | 2.2±0.2 | 2.2±0.2 | 2.2±0.2 | 2.2±0.2 | 2.2±0.2 | 2.2±0.2 |
Tensile strength | MPa | GB/T 1040.2 | / | / | / | ≥50 | ≥50 | ≥50 |
Bending strength | MPa | GB/T9341 | / | / | / | ≥60 | ≥60 | ≥60 |
Flexural modulus | MPa | GB/T9341 | / | / | / | ≥2000 | ≥2000 | ≥2000 |
Impact strength of cantilever beam gap | J/M | GB/T1843 | / | / | / | ≥40 | ≥40 | ≥40 |
Product Application:
Certificate:
FDA food contact |
EU food contact |
ROHS |
SVHC |
MSDS |
SDS |
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