BASF Ultradur B4500 Polybutylene Terephthalate resins
PBT · Unfilled PBT · for Electrical Parts — supplied by Zhejiang WOQIN New Materials Technology Co., Ltd.
BASF PBT Unfilled PBT In Stock
BASF Ultradur B4500
BASF Ultradur B4500 is an easy-flowing un-reinforced PBT with outstanding electrical properties, dimensional stability and rapid crystallization.
MaterialPolybutylene Terephthalate
ApplicationElectrical Components
MFI / MFR20 g/10min
Density1.31 g/cm³
Product Overview
Original Technical Notes (English)
BASF Ultradur B4500 is an easy-flowing un-reinforced PBT with outstanding electrical properties, dimensional stability and rapid crystallization.
Key Advantages
- Excellent electrical insulation
- Fast crystallization for short cycles
- Low moisture absorption
- Outstanding dimensional stability
Applications
- Electrical Connectors
- Relay housings
- Coil formers
- Sensors
Technical Datasheet
| Property | Test Standard | Value | Unit |
|---|---|---|---|
| Density | ISO 1183 | 1.31 | g/cm³ |
| MFR 250/2.16kg | ISO 1133 | 20 | g/10min |
| Tensile Strength at Yield | ISO 527 | 58 | MPa |
| Elongation at Break | ISO 527 | 50 | % |
| HDT 1.80MPa | ISO 75 | 60 | °C |
| Melting Point | ISO 11357 | 223 | °C |
The values above are typical data supplied by the resin producer. Results may vary slightly by batch; always refer to the latest accompanying COA. Contact us for the complete TDS.
Processing Information
- Injection Molding
- Melt temperature: 250–270°C
Packaging
- Standard: 25 kg PP woven bags with PE inner liner, palletized and stretch-wrapped
- Bulk option: 1000 kg FIBC jumbo bags
- Cartons or neutral / OEM bags available on request
- Each pallet is protected with edge guards and shrink film for container transport
Warehousing & Logistics
Original Technical Notes (English)
All materials are stocked in our bonded warehouse near Ningbo Port. Loading is supervised and photographed for every order, with pallet counts and seals documented before departure.
- Shipment from: Ningbo / Shanghai, China
- Incoterms: FOB, CIF, CFR, EXW, DDP
- In-stock lead time: 5–7 days · Production: 15–20 days
- Documents: Commercial invoice, packing list, COA, TDS, MSDS, B/L, origin certificate
Frequently Asked Questions
Yes, we keep regular stock of BASF Ultradur B4500 at our bonded warehouse in Ningbo. The standard MOQ is 1 metric ton (1 bag / 25kg increments above that), and we can also arrange mixed-container orders combining multiple grades.
Of course. We provide 25kg sample bags (or smaller lab samples) with fast international express delivery. The sample cost is fully deducted from your first bulk order. Just send us your destination address via the inquiry form.
Yes. Every shipment includes the manufacturer COA, TDS, MSDS, and origin certificate. We can also supply REACH / RoHS / FDA declarations upon request, depending on the brand and grade.
In-stock grades ship within 5–7 days. For non-stock or OEM-bagged materials, the lead time is about 15–20 days. We ship FOB Ningbo / Shanghai by sea freight, air freight, or express (DHL / FedEx / UPS) for urgent orders.
Yes — that is one of our core services. Our engineers maintain a cross-reference database across more than 19 global brands. If Ultradur B4500 is unavailable, we will recommend verified equivalent grades with matched MFI, density and application performance, at competitive prices.
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