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Hostaform® C 9021 AS

Technical Datasheet | Supplied by Celanese
Hostaform® C 9021 AS is an antistatically modified acetal copolymer. It is standard flowing. The antistatic effect improves when the molding part absorbs enough humidity. Also exhibits good chemical resistance to solvents, fuel and strong alkalis as well as good hydrolysis resistance along with high resistance to thermal and oxidative degradation. Suggested for dissipation of minor build-up of static electricity that might occur with standard type grades. However, it is not intended for use in fuel system components where static dissipation is critical to part performance.
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Product Type
POM (Polyacetal, Polyoxymethylene) > POM Copolymer
Product Status
COMMERCIAL
Applications/ Recommended for
Injection molding - thermoplastics

Hostaform® C 9021 AS Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Specific Gravity
1.41 g/cm³
(23°C) 
ISO 1183
Melt Volume Flow Rate (MVR)
8.5 cm³/10 min
(190°C/2.16 kg) 
ISO 1133

Hostaform® C 9021 AS Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Processing (Melt) Temp
190 - 230 °C
Mold shrinkage - normal
1.8 %
Mold Temperature
80 - 120 °C
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