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Hostaform® C 27021 AS

Technical Datasheet | Supplied by Celanese
Hostaform® C 27021 AS is an acetal copolymer. It is antistatically modified and easy-flowing. The antistatical effect improves when the molded part absorbs enough humidity. Offers good chemical resistance to solvents, fuel and strong alkalis as well as good hydrolysis resistance along with high resistance to thermal and oxidative degradation. Processed by injection molding. It is 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)
Product Status
COMMERCIAL
Applications/ Recommended for
Injection molding - thermoplastics

Hostaform® C 27021 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)
25 cm³/10 min
(190°C/2.16 kg) 
ISO 1133
Linear Mold Shrinkage
1.9 %
(Parallel) 
ISO 294-4

Hostaform® C 27021 AS Processing Guidelines

Injection Molding Properties

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