Performance Polymers

ULTRADUR® B4560 GREY 35378 POLYBUTYLENE TEREPHTHALATE

(PBT) Polybutylene terephthalate

Availability

Asia Pacific

Processing Technology

Injection Molding

Industries & Applications

Plastics & Rubber (1)

  • Performance Polymers / Exterior / Lighting (automotive) / Headlights

Transportation (1)

  • Automotive (Passenger cars) / Exterior / Lighting System

Technical Properties

Rheological properties

Property Name

Test Method

Unit

Values

Melt volume-flow rateISO 1133cm³/10min35.00
Molding shrinkage (normal)ISO 294-4%1.64
Molding shrinkage (parallel)ISO 294-4%1.31

Mechanical properties

Property Name

Test Method

Unit

Values

Yield strain, 50mm/minISO 527-1/-2%3.70
Charpy impact strength ISO 179-1eU (23°C)ISO 179/1eUkJ/m²140.00
Charpy notched impact strength ISO 179/1eA (23°C)ISO 179/1eAkJ/m²3.80
Charpy impact strength ISO 179/1eU (-30°C)ISO 179/1eUkJ/m²85.00
Yield stress, 50mm/minISO 527-1/-2MPa60.00
Charpy notched impact strength ISO 179/1eA (-30°C)ISO 179/1eAkJ/m²4.90

Other properties

Property Name

Test Method

Unit

Values

Water absorption, equilibrium in water at 23°Csimilar to ISO 62%0.50 - 0.50
Moisture absorption, equilibrium 23°C/50% r.h.similar to ISO 62%0.25 - 0.25
DensityISO 1183kg/m³1300.00

Thermal properties

Property Name

Test Method

Unit

Values

Coeff. of linear therm. expansion 23°C - 55°C (normal)ISO 11359-1/-2E-6/K115.00 - 115.00
HDT B (0.45 MPa)ISO 75-1/-2°C135.00
HDT A (1.80 MPa)ISO 75-1/-2°C60.00
Melting temperature, DSC (10°C/min)ISO 11357-1/-3°C223.00 - null
Coeff. of linear therm. expansion 23°C - 55°C (parallel)ISO 11359-1/-2E-6/K115.00 - 115.00

Electrical properties

Property Name

Test Method

Unit

Values

Volume resistivityIEC 62631-3-1Ohm.m100000000000000.00

Material specific properties

Property Name

Test Method

Unit

Values

Viscosity numberISO 307, 1157, 1628cm³/g112.00

Consult with an expert

Industry*
Location*