ULTRADUR® B 4521 PRO UNCOLORED POLYBUTHYLENE TEREPHTHALATE

Performance Polymers

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

Quicklinks

Availability

Europe, North America

Processing Technology

Injection Molding, Molding, Product Carbon Footprint, Sustainability

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	ISO 1133	cm³/10min	25.00
Molding shrinkage (normal)	ISO 294-4	%	2.50
Molding shrinkage (parallel)	ISO 294-4	%	2.10

Mechanical properties

Property Name	Test Method	Unit	Values
Yield strain, 50mm/min	ISO 527-1/-2	%	10.80
Charpy impact strength ISO 179-1eU (23°C)	ISO 179/1eU	kJ/m²	228.00
Charpy notched impact strength ISO 179/1eA (23°C)	ISO 179/1eA	kJ/m²	4.50
Yield stress, 50mm/min	ISO 527-1/-2	MPa	60.00
Charpy impact strength ISO 179/1eU (-30°C)	ISO 179/1eU	kJ/m²	140.00

General Attributes

Property Name	Test Method	Unit	Values
Description Teaser			PBT

Other properties

Property Name	Test Method	Unit	Values
Density	ISO 1183	kg/m³	1300.00

Thermal properties

Property Name	Test Method	Unit	Values
Coeff. of linear therm. expansion 23°C - 55°C (normal)	ISO 11359-1/-2	E-6/K	110.00 - 110.00
HDT B (0.45 MPa)	ISO 75-1/-2	°C	155.00
HDT A (1.80 MPa)	ISO 75-1/-2	°C	55.00
Melting temperature, DSC (10°C/min)	ISO 11357-1/-3	°C	223.00 - null
Coeff. of linear therm. expansion 23°C - 55°C (parallel)	ISO 11359-1/-2	E-6/K	110.00 - 110.00

Material specific properties

Property Name	Test Method	Unit	Values
Viscosity number	ISO 307, 1157, 1628	cm³/g	127.00

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