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Plastics & Elastomers
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Hostaform® C 52021 14 BLACK

Technical Datasheet | Supplied by Celanese
HOSTAFORM® C 52021 14 BLACK is an extremely easy flowing, 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. Also shows easy colorization. Permits processing at reduced temperature and shorter cycle times. It can be processed by injection molding. Suitable for lower mechanical requirement applications and very thin-walled precision molded parts having unfavorable flow-path wall thickness relation.
Product Type
POM (Polyacetal, Polyoxymethylene) > POM Coppolymer
Product Status

Hostaform® C 52021 14 BLACK Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Specific Gravity
1.41 g/cm³
ISO 1183
Water Absorption
0.65 %
(23°C, 24 hr)
ISO 62
Melt Volume Flow Rate (MVR)
39 cm3/10 min
(190°C/ 2.16 kg)
ISO 1133

Hostaform® C 52021 14 BLACK Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Suggested Max Moisture
0.15 %
Mold shrinkage (Parallel), ISO 294-4
1.9 %
Drying Time
3 - 4 hr
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