Performance Polymers

ULTRADUR® B4450 G5 GREY 35399 POLYBUTYLENE TEREPHTHALATE

(PBT) Polybutylene terephthalate

Availability

Europe

Processing Technology

Injection Molding

Industries & Applications

Electronics & Electric (2)

  • Electric / Miniature Circuit Breakers
  • Electronics / Switchgears

More Industries (1)

  • Any Applications

Plastics & Rubber (2)

  • Performance Polymers / Miniature circuit breaker (MCB)
  • Performance Polymers / Power distribution / Switchgears

Transportation (1)

  • Automotive (Passenger cars) / Interior / Pedal System

Technical Properties

Rheological properties

Property Name

Test Method

Unit

Values

Melt volume-flow rateISO 1133cm³/10min17.00
Molding shrinkage (normal)ISO 294-4%1.30
Molding shrinkage (parallel)ISO 294-4%0.50

Mechanical properties

Property Name

Test Method

Unit

Values

Charpy impact strength ISO 179-1eU (23°C)ISO 179/1eUkJ/m²45.00
Charpy notched impact strength ISO 179/1eA (23°C)ISO 179/1eAkJ/m²6.00
Charpy impact strength ISO 179/1eU (-30°C)ISO 179/1eUkJ/m²45.00

Other properties

Property Name

Test Method

Unit

Values

Water absorption, equilibrium in water at 23°Csimilar to ISO 62%0.40 - 0.40
Moisture absorption, equilibrium 23°C/50% r.h.similar to ISO 62%0.20 - 0.20
DensityISO 1183kg/m³1600.00

Thermal properties

Property Name

Test Method

Unit

Values

Coeff. of linear therm. expansion 23°C - 55°C (normal)ISO 11359-1/-2E-6/K118.00 - 118.00
Thickness tested (5V)IEC 60695-11-10mm2.00
HDT B (0.45 MPa)ISO 75-1/-2°C220.00
HDT A (1.80 MPa)ISO 75-1/-2°C210.00
Melting temperature, DSC (10°C/min)ISO 11357-1/-3°C223.00 - null
Thickness tested (b1)IEC 60695-11-10mm0.40
Coeff. of linear therm. expansion 23°C - 55°C (parallel)ISO 11359-1/-2E-6/K35.00 - 35.00

Electrical properties

Property Name

Test Method

Unit

Values

Volume resistivityIEC 62631-3-1Ohm.m10000000000000.00

Material specific properties

Property Name

Test Method

Unit

Values

Viscosity numberISO 307, 1157, 1628cm³/g100.00

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