Celanese Hostaform® C 13021 K Acetal Copolymer with Special Chalk

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Celanese Hostaform® C 13021 K Acetal Copolymer with Special Chalk
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Mineral Filled
Material Notes:	Description: Hostaform® Acetal Copolymers are a high strength, crystalline, thermoplastic engineering resins whose balance of properties and ease of processability offer performance and cost advantages over many other materials. Specific Notes for this Grade: Easy flowing injection molding grade modified with special chalk. Good antiwear properties, increased strength. For unlubricated or once-only lubricated sliding elements. Information provided by Celanese Corporation.
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Physical Properties	Original Value	Comments

Density	1.44 g/cc	10x10x4 mm from multi-purpose test specimen (ISO 3167); ISO 1183
Moisture Absorption at Equilibrium	0.20 %	80x80x1mm, at 23°C and 50% RH; ISO 62
Water Absorption at Saturation	0.65 %	80x80x1mm, 23°C; ISO 62
Melt Flow	15.84 g/10 min @Load 2.16 kg, Temperature 190 °C	Calculated from Volume flow Rate: 11 cm³/10min; ISO 1133

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	68.0 MPa	multi-purpose test specimen (ISO 3167); ISO 527, part 1/2; test speed 50 mm/min
Elongation at Break	15 %	multi-purpose specimen (ISO 3167); ISO 527, part 1/2; test speed 50 mm/min
Elongation at Yield	8.0 %	multi-purpose test specimen (ISO 3167); ISO 527, part 1/2; test speed 50 mm/min
Tensile Modulus	3.10 GPa	multi-purpose test specimen (ISO 3167); ISO 527, part 1/2; test speed 50 mm/min
Charpy Impact, Notched	0.500 J/cm² @Temperature -30.0 °C	80x10x4 m from multi-purpose test specimen (ISO 3167); ISO 179 1eA
	0.500 J/cm² @Thickness 4.00 mm, Temperature 23.0 °C	80x10x4 m from multi-purpose test specimen (ISO 3167); ISO 179 1eA

Electrical Properties	Original Value	Comments
Dielectric Constant	4.2 @Frequency 100 Hz	80x80x1 mm; IEC 60250
	4.2 @Frequency 1e+6 Hz	80x80x1 mm; IEC 60250
Dielectric Strength	35.0 kV/mm	80x80x1 mm; IEC 60243, part 1
Dissipation Factor	0.0025 @Frequency 100 Hz	80x80x1 mm; IEC 60250
	0.0080 @Frequency 1e+6 Hz	80x80x1 mm; IEC 60250

Thermal Properties	Original Value	Comments
CTE, linear	110 µm/m-°C @Temperature 23.0 - 55.0 °C	Longitudinal, 30x10x4 mm from multi-purpose test specimen (ISO 3167); ISO 11359, part 1/2
Melting Point	170 °C	DSC, 10 K/min, Molding compound; ISO 3146, method C1b
Deflection Temperature at 1.8 MPa (264 psi)	105 °C	80x10x4 mm from multi-purpose test specimen (ISO 3167); ISO 75, part 1/2
Vicat Softening Point	156 °C	VST/B/50, 10x10x4 mm from multi-purpose test specimen (ISO 3167); ISO 306

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