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Plastics & Elastomers
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Plastics & Elastomers
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Ultradur® B 4520 High Speed

Technical Datasheet | Supplied by BASF
Ultradur® B 4520 High Speed is an unreinforced, easy flowing, medium viscosity, semi-crystalline, saturated, thermoplastic polyester derived from polybutylene terephthalate (PBT). Exhibits toughness, high rigidity & strength, good dimensional stability under heat, good impact resistance, very high resistance to wear, thermostability, sliding friction properties, good insulation properties, good impact strength, low water absorption, good resistance to chemicals & weathering, and excellent heat ageing behavior. Can be processed using injection molding. Recommended for connectors and other technical parts. It complies with the EU Directive 2006/122/EC (PFOA), EU Directive 2011/65/EU (RoHS) and EC Regulation 1907/2006 (REACH).
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Product Type
Polyester > PBT
Appearance
Black, Natural
Product Status
COMMERCIAL

Ultradur® B 4520 High Speed Properties

Mechanical Properties

Value & Unit
Test Condition
Test Method
Tensile Modulus
2200 MPa
(23°C)
ISO 527-2
Tensile Strain
3.5 %
(at Yield, 23°C)
ISO 527-2
Impact Strength, Unnotched Charpy
190 kJ/m²
(23°C)
ISO 179

Ultradur® B 4520 High Speed Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Suggested Max Moisture
0.04 %
Hopper Throat Temperature
80 °C
Drying Temperature
80 - 120 °C
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