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Ultradur® (PBT)
ULTRADUR® B 2550 NATURAL POLYBUTYLENE TEREPHTHALATE

Performance Polymers

ULTRADUR® B 2550 NATURAL POLYBUTYLENE TEREPHTHALATE

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

Very easy-flowing grade for compounding, injection molding, monofilament and bristle production or for paper or cardboard coatings with high heat resistance. The products can also be offered as BMBcert™ and/or Ccycled™. Due to the Massbalance approach the product properties do not change. Abbreviated designation according to ISO 1043-1: PBT

Availability

Europe, North America

Processing Technology

Coating, Injection Molding, Molding

Industries & Applications

Appliances (1)

  • Small Appliances / Housing, Functional parts

Automotive & Transportation (1)

  • Automotive, Aviation, Aerospace, Passenger cars

Construction (1)

  • Residential

Construction (1)

  • Residential / Water Meters

Consumer Electronics (1)

  • Accessories / Mobilephone cover, Speakers, AR & VR, Keyboard

Industrial Manufacturing (1)

  • Pumps & Compressors

Leisure & Sport (1)

  • Toys, Ball, Accessories

Plastics & Rubber (7)

  • Performance Polymers / Automotive (Passenger Cars) / E & E Modules / Electrical Control Units
  • Performance Polymers / Automotive (Passenger Cars) / Interior / Instrument And Door Panel Foams
  • Performance Polymers / Aviation & Aerospace / Impact modification
  • Performance Polymers / Consumer electronics / Augmented Reality (AR) Devices, Speakers, Virtual Reality (VR) Devices
  • Performance Polymers / Industrial Manufacturing / Pumps
  • Performance Polymers / Residential / Water Meters
  • Performance Polymers / Sports & Leisure / Toys

Transportation (3)

  • Automotive (Passenger cars) / E&E Modules / Electrical Control Unit
  • Automotive (Passenger cars) / Interior / Instrument And Door Panel Foams
  • Aviation & Aerospace / Impact modification

Technical Properties

Rheological properties

Property Name

Test Method

Unit

Values

Melt volume-flow rateISO 1133cm³/10min45.00
Molding shrinkage (normal)ISO 294-4%1.90
Molding shrinkage (parallel)ISO 294-4%1.60

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/m²250.00
Charpy notched impact strength ISO 179/1eA (23°C)ISO 179/1eAkJ/m²4.00
Yield stress, 50mm/minISO 527-1/-2MPa57.00
Charpy impact strength ISO 179/1eU (-30°C)ISO 179/1eUkJ/m²120.00
Charpy notched impact strength ISO 179/1eA (-30°C)ISO 179/1eAkJ/m²4.00

General Attributes

Property Name

Test Method

Unit

Values

Description TeaserPBT

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/K110.00 - 110.00
HDT B (0.45 MPa)ISO 75-1/-2°C165.00
HDT A (1.80 MPa)ISO 75-1/-2°C65.00
Melting temperature, DSC (10°C/min)ISO 11357-1/-3°C223.00 - null
Thickness tested (b1)IEC 60695-11-10mm0.75
Coeff. of linear therm. expansion 23°C - 55°C (parallel)ISO 11359-1/-2E-6/K110.00 - 110.00

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/g107.00

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