by SpecialChem

Hostaform® C 9021 70/6186

Technical Datasheet | Supplied by Celanese

Hostaform® C 9021 70/6186 by Celanese is a crystalline polyacetal polyoxymethylene (POM) copolymer. Exhibits good resistance to chemicals (solvents, fuels & strong alkalis), wear, long-term fatigue, creep, hydrolysis, stress cracking, thermal and oxidative degradation. Possesses high rigidity, hardness, toughness, excellent resilience, good heat distortion temperature (to 100°C), thermal stability, good slip properties and low moisture absorption.

Is suitable for processing by injection molding and sheet- & film extrusion.
Hostaform® C 9021 70/6186 is used in automotive engineering, precision engineering, electric and electronic industry and domestic appliances.
Complies with RoHS, PFOS and PFOA.
Meets the recommendation XXXIII for consumer goods of the BgVV and UL flame ratings.

Hostaform® C 9021 70/6186 Properties

Mechanical Properties

Value & Unit

Test Condition

Test Method

Nominal Strain at Break

30 %

(At 50 mm/min)

ISO 527-2-1A

Impact Strength, Charpy

180P kJ/m²

(At 23°C)

ISO 179/ 1eU

Impact Strength, Charpy

160 kJ/m²

(At -30 °C)

ISO 179/1eU

Injection Properties

Value & Unit

Test Condition

Test Method

Feed Temperature

60 - 80 °C

Manifold Temperature

190 - 210 °C

Mold Shrinkage, Normal

1.8 %

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Hostaform® C 9021 70/6186

Hostaform® C 9021 70/6186 Properties

Mechanical Properties

Hostaform® C 9021 70/6186 Processing Guidelines

Injection Properties