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Hostaform® C 9021 65

Technical Datasheet | Supplied by Celanese

Hostaform® C 9021 65 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. Used in automotive engineering, precision engineering, electric and electronic industry and domestic appliances. Complies with RoHS, FDA according to 21 CFR 177.2470 and EG-directive 2002/72/EU. Meets the recommendation XXXIII for consumer goods of the BgVV and UL flame ratings.

Hostaform® C 9021 65 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Specific Gravity

1410 kg/m³

ISO 1183

Melt Volume Flow Rate (MVR)

8 cm³/10 min

(190°C/2.16 kg)

ISO 1133

Water Absorption

0.65 %

(23°C, at saturation)

ISO 62

Injection Molding Properties

Value & Unit

Test Condition

Test Method

Suggested Max Moisture

0.15 %

Drying Time

3 - 4 hr

Drying Temperature

120 - 140 °C

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Hostaform® C 9021 65

Hostaform® C 9021 65 Properties

Physical Properties

Hostaform® C 9021 65 Processing Guidelines

Injection Molding Properties