Mitsubishi Iupital® A25-03 Copolymer Acetal

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Mitsubishi Iupital® A25-03 Copolymer Acetal
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Unreinforced
Material Notes:	High rigidity. Standard 2. Iupital is a copolymer-type acetal resin produced with our proprietary manufacturing process. Used in a wide range of industries, Iupital is ideal for precision machinery, automobile, OA and electronics applications. Well-balanced mechanical properties and high fatigue resistance. Excellent anticreep properties. Excellent low friction and anti-wear properties. Wide range of operating temperatures. High oil and organic chemical resistance. Excellent thermal stability in molding. Information provided by Mitsubishi Engineering Plastics Corporation.
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Physical Properties	Original Value	Comments

Density	1.41 g/cc	ISO 1183
Moisture Absorption	0.220 % @Temperature 23.0 °C	60% RH
Linear Mold Shrinkage, Flow	0.021 cm/cm @Thickness 3.00 mm
Melt Flow	14 g/10 min @Load 2.16 kg, Temperature 190 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	69.0 MPa	ISO-527-1,2
Elongation at Break	35 %	ISO 527-1,2
Elongation at Yield	11 %	ISO 527-1,2
Tensile Modulus	3050 MPa	ISO 527-1,2
Flexural Strength	98.0 MPa	ISO 178
Flexural Modulus	2950 MPa	ISO 178
Charpy Impact Unnotched	250 kJ/m²	ISO 179-1,2
Charpy Impact, Notched	8.00 kJ/m²	ISO 179-1,2

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+14 ohm-cm	IEC 60093
Surface Resistance	1.00e+16 ohm	IEC 60093

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	110 µm/m-°C	ISO 11359-2
CTE, linear, Transverse to Flow	110 µm/m-°C	ISO 11359-2
Melting Point	170 °C	ISO 11357-3
Deflection Temperature at 0.46 MPa (66 psi)	160 °C	ISO 75-1,2
Deflection Temperature at 1.8 MPa (264 psi)	105 °C	ISO 75-1,2
Flammability, UL94	HB @Thickness 0.800 mm

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PMITSU9153 / 191826

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