PBT BASF B4406G6
PBT BASF B4406G6
PBT BASF B4406G6 is a 30 % glass‑fiber‑reinforced (GF30) flame‑retardant engineering plastic with UL94 V‑0 rating. It is widely used for outstanding strength, rigidity, heat resistance, electrical performance and flame‑retardant property.
Main Applications
Electrical & Electronics (core application): plug‑in connectors, coil supports, small switches, capacitor housings, relays, no‑fuse breakers, electromagnetic switches, flyback transformers, home‑appliance handles, connector housings.
Automotive industry: door handles, bumpers, distributor covers, fenders, wire harness sheaths, wheel‑cover panels, automotive electronic parts, lamp assemblies, motor components, automotive electrical systems.
Industrial parts: OA fans, keyboards, fishing‑reel parts, lamp housings, instrument‑meter components requiring wear resistance, dimensional accuracy and flame retardancy.
Household appliances: food‑processing blades, vacuum‑cleaner components, electric fans, hair‑dryer housings, coffee‑maker parts.
Other fields: office‑equipment & mechanical components.
Physical‑Mechanical‑Thermal‑Electrical Properties
| Property Category | Property Item | Test Standard / Condition | Test Data / Range | Unit |
|---|---|---|---|---|
| Physical Properties | Density | ISO 1183 | 1.53‑1.68 | g/cm³ |
| Water absorption (23 ℃/24h, saturated) | ISO 62 | 0.40 | % | |
| Water absorption (23 ℃,50 %RH, equilibrium) | ISO 62 | 0.20 | % | |
| MVR (250 ℃/2.16 kg) | ISO 1133 | 11 | cm³/10min | |
| MVR (275 ℃/2.16 kg) | ISO 1133 | 17‑19 | cm³/10min | |
| Molding shrinkage (flow direction) | ISO 294‑4 | 0.20‑0.28 | % | |
| Molding shrinkage (transverse direction) | ISO 294‑4 | 0.90‑0.94 | % | |
| Viscosity number | ISO 307 | 108 | ml/g | |
| Mechanical Properties | Tensile strength | ISO 527‑2 | 125‑154 | MPa |
| Elongation at break | ISO 527‑2 | 2.1‑2.7 | % | |
| Tensile modulus | ISO 527‑2 | 8200‑11700 | MPa | |
| Flexural strength | ISO 178 | 205 | MPa | |
| Charpy notched impact (23 ℃) | ISO 179/1eA | 8.0‑11 | kJ/m² | |
| Charpy un‑notched impact (23 ℃) | ISO 179/1eU | 48‑61 | kJ/m² | |
| Thermal Properties | HDT @1.8 MPa | ISO 75‑2/A | 195‑205 | ℃ |
| HDT @0.45 MPa | ISO 75‑2/B | 220‑223 | ℃ | |
| Melting point | ISO 11357‑3 | 220‑225 | ℃ | |
| CLTE (transverse direction) | ISO 11359‑2 | 2.8×10⁻⁵ | cm/cm/℃ | |
| UL94 rating (0.75 mm) | UL94 | V‑0 | class | |
| UL94 rating (1.6 mm) | UL94 | V‑0 | class | |
| Electrical Properties | Volume resistivity | IEC 60093 | 1E14‑1E16 | Ω·cm |
| Surface resistivity | IEC 60093 | 1E13‑>1E15 | Ω | |
| CTI | IEC 60112 | 200 | V |
Injection‑Molding Parameters
| Process Stage | Parameter Item | Reference Range / Recommendation | Unit / Remarks |
|---|---|---|---|
| Pre‑treatment | Drying temperature | 80‑120 | ℃ |
| Drying time | 4.0 | h | |
| Target moisture content | <0.040 | % | |
| Drying equipment | Desiccant dryer recommended | — | |
| Injection Molding | Rear barrel temperature | 260 | ℃ |
| Middle barrel temperature | 265 | ℃ | |
| Front barrel temperature | 270 | ℃ | |
| Nozzle temperature | 270 | ℃ | |
| Melt temperature range | 260‑280 | ℃ | |
| Mold temperature | 60‑100 / 60‑90 | ℃ | |
| Injection pressure | Adjust according to part structure & dimension | MPa | |
| Injection speed | Medium‑to‑high; PBT solidifies rapidly | — | |
| Back pressure | Set according to melt condition, generally low | MPa | |
| Screw speed | Adjust by equipment & cycle; avoid excessive shear heat | rpm | |
| Mold | Runner type | Round runner recommended | — |
| Gate type | Multiple gate types available | — | |
| Mold cooling | Optimize cooling channels to reduce warpage; fast & uniform heat dissipation | — | |
| Post‑processing | Annealing (if required) | Reduce residual stress & improve dimensional stability | ℃ |
| Annealing time | Adjust according to wall thickness | h |
Note: All data above is for reference only.



