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Hostaform® C 2521 50/2762

Technical Datasheet | Supplied by Celanese

HOSTAFORM® C 2521 50/2762 is a stiff flowing type, very hard and rigid, heavy-metal free POM (polyoxymethylene) copolymer grade. Exhibits outstanding chemical (solvents, fuels & strong alkalis)-, hydrolysis-, fatigue-, creep-, moisture- and stress cracking resistance. Also exhibits toughness (up to -40°C), good heat distortion temperature (up to 100°C), very good slip/ wear properties, excellent resilience, low moisture absorption and higher stability to thermal and oxidative degradation compared to acetal homopolymers. Suitable for injection molding of thick-walled, void-free molded parts and extrusion of boards and pipes.

Hostaform® C 2521 50/2762 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Specific Gravity

1.41 g/cm³

(23°C)

ISO 1183

Water Absorption

0.65 %

(23°C, 24 hr)

ISO 62

Melt Volume Flow Rate (MVR)

2.5 cm³/10 min

(190°C/ 2.16 kg)

ISO 1133

Injection Molding Properties

Value & Unit

Test Condition

Test Method

Suggested Max Moisture

0.15 %

Mold shrinkage (Parallel), ISO 294-4

2.1 %

Drying Time

3 - 4 hr

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Hostaform® C 2521 50/2762

Hostaform® C 2521 50/2762 Properties

Physical Properties

Hostaform® C 2521 50/2762 Processing Guidelines

Injection Molding Properties