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Plastics & Elastomers
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Plastics & Elastomers
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Celanex® 2500 Natural

Technical Datasheet | Supplied by Celanese
Celanex® 2500 Natural is an unreinforced, nucleated, semi-crystalline polybutylene terephthalate (PBT). Exhibits easy flow, high strength, rigidity & toughness, low creep even at high temperatures, rapid crystallization, fast cycle time, paintability, good electrical properties, no environmental stress cracking, good weathering resistance, very good low friction and wear resistant properties. Offers excellent dimensional stability, low moisture absorption and powerful insulation resistance, along with resistance to a wide range of chemicals, solvents, oils and greases. Can be processed using injection molding. It is recognized by Underwriters Laboratories, USA (UL), as UL 94 HB at 1.0 mm thickness and complies with the PFOS, PFOA and RoHS regulations.
Product Type
Polyester > PBT
Product Status

Celanex® 2500 Natural Properties

Mechanical Properties

Value & Unit
Test Condition
Test Method
Flexural Strength
90 MPa
ISO 178
Impact Strength, Notched Charpy
5 kJ/m²
ISO 179/1eA 2
Tensile Modulus
2700 MPa
(1 mm/min)
ISO 527-2/1A

Celanex® 2500 Natural Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Mold Temperature
75 - 85 °C
Manifold Temperature
250 - 260 °C
Processing (Melt) Temp
250 - 260 °C
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