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Hostaform® C 2521 XAP®

Technical Datasheet | Supplied by Celanese

Hostaform® C 2521 XAP® by Celanese is a stiff flowing type, very hard and rigid, heavy-metal free POM (polyoxymethylene) copolymer grade. Exhibits outstanding chemical (solvents, fuels & strong alkalis)-, hydrolysis-, fatigue-, creep-, moisture- and stress cracking resistance. Also exhibits toughness (up to -40°C), good heat distortion temperature (up to 100°C), very good slip/ wear properties, excellent resilience, low moisture absorption and higher stability to thermal and oxidative degradation compared to acetal homopolymers. Hostaform® C 2521 XAP® is suitable for injection molding of thick-walled, void-free molded parts and extrusion of boards and pipes.

Hostaform® C 2521 XAP® Properties

Mechanical Properties

Value & Unit

Test Condition

Test Method

Nominal Tensile Strain at Break

32 %

(23°C)

ISO 527-2

Impact Strength, Notched Charpy

7 kJ/m²

(-30°C)

ISO 179

Impact Strength, Notched Charpy

8.5 kJ/m²

(23°C)

ISO 179

Injection Properties

Value & Unit

Test Condition

Test Method

Feed Temperature

60 - 80 °C

Holding Pressure

600 - 1200 bar

Hopper Temperature

20 - 30 °C

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Hostaform® C 2521 XAP®

Hostaform® C 2521 XAP® Properties

Mechanical Properties

Hostaform® C 2521 XAP® Processing Guidelines

Injection Properties