by SpecialChem

Hostaform® C 9021 M XAP2™

Technical Datasheet | Supplied by Celanese

Hostaform® C 9021 M XAP2™ by Celanese is a very hard and rigid, heavy-metal free POM (polyoxymethylene) copolymer grade modified with molybdenum disulphide. 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.
Hostaform® C 9021 M XAP2™ can be processed by injection molding.
Suitable for sliding combinations with high surface pressure and low sliding speed exhibiting only slight tendency to stick-slip.

Hostaform® C 9021 M XAP2™ Properties

Mechanical Properties

Value & Unit

Test Condition

Test Method

Nominal Tensile Strain at Break

20 %

(At 23°C, 50 mm/min)

ISO 527-2

Flexural Modulus

2700 MPa

(At 23°C)

ISO 178

Impact Strength, Notched Charpy

6 kJ/m²

(At -30°C)

ISO 179

Injection Properties

Value & Unit

Test Condition

Test Method

Feed Temperature

60 - 80 °C

Manifold Temperature

190 - 210 °C

Holding Pressure

600 - 1200 bar

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Hostaform® C 9021 M XAP2™

Hostaform® C 9021 M XAP2™ Properties

Mechanical Properties

Hostaform® C 9021 M XAP2™ Processing Guidelines

Injection Properties