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

Quicklinks

Availability

Europe, North America

Processing Technology

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 rate (MVR) 250.0 °C 2.16 kg		cm³/10min	45.00
Molding shrinkage (normal)	ISO 294-4	%	1.90
Viscosity number	ISO 307, 1157, 1628	cm³/g	107.00
Molding shrinkage (parallel)	ISO 294-4	%	1.60

Mechanical properties

Property Name	Test Method	Unit	Values
Charpy notched impact strength ISO 179/1eA (23°C)	ISO 179/1eA	kJ/m²	4.00
Tensile modulus	ISO 527-1/-2	MPa	2500.00
Tensile Modulus (dry/cond)			2500 MPa

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

Electrical properties

Property Name	Test Method	Unit	Values
Comparative tracking index, CTI, test liquid A	IEC 60112		500.00

Material specific properties

Property Name	Test Method	Unit	Values
Density	ISO 1183	kg/m³	1300.00
Viscosity number	ISO 307, 1157, 1628	cm³/g	107.00

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