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Hostaform® C 2521 87

Technical Datasheet | Supplied by Celanese

Hostaform® C 2521 87 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, higher stability to thermal and oxidative degradation compared to acetal homopolymers.
Hostaform® C 2521 87 is suitable for injection molding of thick-walled, void-free molded parts and extrusion of boards & pipes.

Hostaform® C 2521 87 Properties

Mechanical Properties

Value & Unit

Test Condition

Test Method

Nominal Tensile Strain at Break

32 %

(At 23°C, 50 mm/min)

ISO 527-2

Flexural Modulus

2500 MPa

(At 23°C)

ISO 178

Modulus of Elasticity

2300 MPa

(At 1 hr)

ISO 899-1

Injection Properties

Value & Unit

Test Condition

Test Method

Feed Temperature

60 - 80 °C

Holding Pressure

600 - 1200 bar

Hopper Temperature

20 - 30 °C

*The last time this product was checked, its availability could not be confirmed. If you have more information about its availability, please contact us.

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Hostaform® C 2521 87

Hostaform® C 2521 87 Properties

Mechanical Properties

Hostaform® C 2521 87 Processing Guidelines

Injection Properties