BASF Ultradur B4500 Other Engineering Plastics (Other) Supplier | Electrical Parts

Product Overview

BASF Ultradur B4500 is an easy-flowing, un-reinforced PBT injection molding grade with outstanding electrical properties, dimensional stability and rapid crystallization. It is a standard material for connectors, relay housings and precision electrical components.

PBT's low moisture absorption and excellent chemical resistance make Ultradur B4500 a dependable engineering choice where tight tolerances and reliable long-term performance are essential.

Key Advantages

Excellent electrical insulation properties
Fast crystallization for short cycles
Low moisture absorption
Outstanding dimensional stability
Good chemical and solvent resistance

Applications

Electrical connectors
Relay and switch housings
Coil formers and bobbins
Precision automotive parts
Sensors and housings

Technical Data Sheet

Property	Test Standard	Value	Unit
Density	ISO 1183	1.31	g/cm³
Melt Flow Rate (250°C / 2.16kg)	ISO 1133	20	g/10min
Tensile Modulus	ISO 527	2600	MPa
Tensile Strength at Yield	ISO 527	58	MPa
Elongation at Break	ISO 527	50	%
Charpy Impact Strength (23°C)	ISO 179	n/p (no break)
HDT (1.80 MPa)	ISO 75	60	°C
Melting Point	ISO 11357	223	°C

Values are typical data from the resin producer and may vary slightly between lots. Request the latest COA with your shipment. Full TDS is available on request.

Processing Information

Injection molding
Melt temperature: 250–270°C
Mold temperature: 40–80°C
Pre-drying: 110°C for 3–4 hours

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

Warehouse & Shipping

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

Container loading of BASF Ultradur B4500 at Ningbo port

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.