Performance Polymers

ULTRADUR® B 4521 PRO UNCOLORED POLYBUTHYLENE TEREPHTHALATE

(PBT) Polybutylene terephthalate, Chemical, PM CSSP NA (Attri), PM Product (Attri), Polymers

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Availability

Europe, North America

Processing Technology

Injection Molding, Molding

Industries & Applications

Medical Technology (1)

Medical Drug Delivery Devices

Plastics & Rubber (1)

Performance Polymers / Medical systems, device and protection / Medical drug delivery devices

Technical Properties

Rheological properties

Property Name	Test Method	Unit	Values
Melt volume-flow rate (MVR) 250.0 °C 2.16 kg		cm³/10min	25.00
Molding shrinkage (normal)	ISO 294-4	%	2.20
Molding shrinkage (parallel)	ISO 294-4	%	2.00

Mechanical properties

Property Name	Test Method	Unit	Values
Charpy notched impact strength ISO 179/1eA (23°C)	ISO 179/1eA	kJ/m²	3.50
Tensile modulus	ISO 527-1/-2	MPa	2650.00
Tensile Modulus (dry/cond)			2650 MPa

General Attributes

Property Name	Test Method	Unit	Values
Description Teaser			PBT

Material specific properties

Property Name	Test Method	Unit	Values
Density	ISO 1183	kg/m³	1300.00
Viscosity number	ISO 307, 1157, 1628	cm³/g	120.00

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