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Hostaform® C 2521 G

Technical Datasheet | Supplied by Celanese

HOSTAFORM® C 2521 G is an acetal copolymer modified with (R) GUR (PE-UHMW). Offers good chemical resistance to solvents, fuel and strong alkalis as well as good hydrolysis resistance along with resistance to thermal and oxidative degradation. Exhibits very good lubricating properties. Processed by injection molding, film-, profile-, sheet- and other extrusions. Recommended for injection molding parts and semi-finished products with higher requirements on lubricating properties.

Hostaform® C 2521 G Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Specific Gravity

1.34 g/cm³

(23°C)

ISO 1183

Melt Volume Flow Rate (MVR)

1.5 cm³/10 min

(190°C/2.16 kg)

ISO 1133

Water Absorption

0.8 %

(23°C-sat)

ISO 62

Injection Molding Properties

Value & Unit

Test Condition

Test Method

Drying Time

3 - 4 hr

Manifold Temperature

190 - 210 °C

Drying Temperature

100 - 120 °C

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Hostaform® C 2521 G

Hostaform® C 2521 G Properties

Physical Properties

Hostaform® C 2521 G Processing Guidelines

Injection Molding Properties