PBT DuPont LW9330 NC010
PBT DuPont LW9330 NC010
PBT DuPont LW9330 NC010 is a high‑performance 30 % glass‑fiber‑reinforced engineering plastic. Its outstanding advantages include favorable mechanical strength, excellent dimensional stability, low‑warpage property and improved surface appearance.
Main Applications
Automotive industry: automotive dust covers, under‑hood components, lamp housings.
Electrical & Electronics: various electrical housings, bases, connectors, switches.
Industrial applications: boxes, housings, covers and other industrial parts.
Consumer goods: power‑tool components.
Physical‑Mechanical‑Thermal‑Electrical Properties
| Property Category | Property Item | Test Standard / Condition | Test Data / Range | Unit |
|---|---|---|---|---|
| Physical Properties | Density | ISO 1183 | 1.42 | g/cm³ |
| Glass‑fiber content | — | 30 | % | |
| Water absorption | — | Low | — | |
| Molding shrinkage (flow direction) | ISO 294‑4 | 0.3 | % | |
| Molding shrinkage (transverse direction) | ISO 294‑4 | 0.6 | % | |
| Mechanical Properties | Tensile strength (break) | ISO 527‑1,‑2 | 135 | MPa |
| Elongation at break | ISO 527‑1,‑2 | 2.3 | % | |
| Tensile modulus | ISO 527‑1,‑2 | 9800 | MPa | |
| Flexural modulus | ISO 178 | 8400 | MPa | |
| Charpy notched impact (23 °C) | ISO 179, Type1, Edgewise, Notch A | 9 | kJ/m² | |
| Charpy un‑notched impact (23 °C) | ISO 179, Type1, Edgewise | 55 | kJ/m² | |
| Thermal Properties | HDT @1.8 MPa | ISO 75‑2/A | 185 | ℃ |
| Melting point | ISO 3146 | 220 | ℃ | |
| Vicat softening temperature | — | 200 | ℃ | |
| Flammability | UL94 (0.75 mm) | UL94 | HB | class |
| UL94 (1.50 mm) | UL94 | HB | class | |
| UL94 (3.00 mm) | UL94 | HB | class |
Injection‑Molding Parameters
| Process Stage | Parameter Item | Reference Range / Recommendation | Unit / Remarks |
|---|---|---|---|
| Pre‑treatment | Drying temperature | 120 °C (air drying) / 150 °C (desiccant drying) | ℃ |
| Drying time | 6‑8 h @120 °C (air drying); 2‑4 h @150 °C (air drying); 2.5 h @150 °C (desiccant drying) | h | |
| Target moisture content | ＜0.03 | % | |
| Drying equipment | Desiccant dryer recommended | — | |
| Injection Molding | Rear barrel temperature | 220‑240 | ℃ |
| Middle barrel temperature | 230‑250 | ℃ | |
| Front barrel temperature | 240‑260 | ℃ | |
| Nozzle temperature | Slightly lower than or equal to front zone | ℃ | |
| Melt temperature | 225‑275; recommended:250 | ℃ | |
| Mold temperature | 40‑60 | ℃ | |
| Injection pressure | Medium; max up to 1500 | bar | |
| Injection speed | As fast as possible (PBT fast‑solidification feature) | — | |
| Back pressure | Set according to melt condition; generally low | MPa | |
| Screw speed | Adjust by equipment & cycle time; avoid excessive shear heat | rpm | |
| Mold | Runner type | Round runner recommended (D = part thickness +1.5 mm) | — |
| Gate type | Various gate types available; hot runner applicable (pay attention to leakage & degradation) | — | |
| Gate dimension | Gate diameter:0.8‑1.0 × t (t = part thickness); sub‑gate min.0.75 mm | mm | |
| Mold cooling | Well‑designed cooling channels (Φ12 mm suggested), uniform & fast 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.
