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Hostaform® C 9021 20/4361

Technical Datasheet | Supplied by Celanese

Hostaform® C 9021 20/4361 by Celanese is a crystalline polyacetal polyoxymethylene (POM) copolymer. It exhibits good resistance to chemicals (solvents, fuels & strong alkalis), wear, long-term fatigue, creep, hydrolysis, stress cracking, thermal and oxidative degradation.

Hostaform® C 9021 20/4361 possesses high rigidity, hardness, toughness, excellent resilience, good heat distortion temperature (to 100°C), thermal stability, good slip properties and low moisture absorption.
It is suitable for processing by injection molding and sheet- & film extrusion.
Used in automotive engineering, precision engineering, electric and electronic industry and domestic appliances.
It complies with RoHS, PFOS and PFOA.
Meets the recommendation XXXIII for consumer goods of the BgVV and UL flame ratings.

Hostaform® C 9021 20/4361 Properties

Mechanical Properties

Value & Unit

Test Condition

Test Method

Nominal strain at break

30 %

(50 mm/min)

ISO 527-2-1A

Modulus of Elasticity

2850 MPa

(1 mm/min)

ISO 527-2-1A

Tensile Modulus, Creep

1300 MPa

(1000 hr)

ISO 899-1

Injection Properties

Value & Unit

Test Condition

Test Method

Feed Temperature

60 - 80 °C

Manifold Temperature

190 - 210 °C

Holding Pressure

600 - 1200 bar

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Hostaform® C 9021 20/4361

Hostaform® C 9021 20/4361 Properties

Mechanical Properties

Hostaform® C 9021 20/4361 Processing Guidelines

Injection Properties