by SpecialChem

Hostaform® C 9021 30/3944

Technical Datasheet | Supplied by Celanese

Hostaform® C 9021 30/3944 by Celanese is a crystalline polyacetal polyoxymethylene (POM) copolymer. It possesses high rigidity, hardness, toughness, excellent resilience, good heat distortion temperature (to 100°C), thermal stability, good slip properties and low moisture absorption.

Exhibits good resistance to chemicals (solvents, fuels & strong alkalis), wear, long-term fatigue, creep, hydrolysis, stress cracking, thermal and oxidative degradation.
Hostaform® C 9021 30/3944 is suitable for processing by injection molding and sheet- & film extrusion.
Used in automotive engineering, precision engineering, electric & electronic industry and domestic appliances.
It complies with RoHS and meets the recommendation XXXIII for consumer goods of the BgVV and UL flame ratings.

Hostaform® C 9021 30/3944 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Linear Mold Shrinkage

1.8 %

ISO 294-4

Linear Mold Shrinkage, Flow

2 %

ISO 294-4

Melt Volume Flow Rate (MVR)

8 cm³/10 min

(At 190°C, 2.16 kg)

ISO 1133

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 30/3944

Hostaform® C 9021 30/3944 Properties

Physical Properties

Hostaform® C 9021 30/3944 Processing Guidelines

Injection Properties