Azoty Tarnow™ TARNOFORM 400 LS POM

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Azoty Tarnow™ TARNOFORM 400 LS POM
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Unreinforced
Material Notes:	Injection molding grade based on Tarnoform 400 modified with soluble light stabilizers improving weathering stability. Information provided by Zakłady Azotowe w Tarnowie-Moscicach S.A.
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Physical Properties	Original Value	Comments

Density	1.41 g/cc	ISO 1183
Linear Mold Shrinkage	0.028 cm/cm
Melt Flow	13 g/10 min @Load 2.16 kg, Temperature 190 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	114	ISO 2039-2
Ball Indentation Hardness	140 MPa	358 N; ISO 2039-1
Tensile Strength, Yield	58.0 MPa	ISO 527
Elongation at Break	50 %	ISO 527
Flexural Strength	58.0 MPa	ISO 178
Izod Impact, Notched (ISO)	0.800 J/cm²	1A; ISO 180
Charpy Impact, Notched	0.700 J/cm²	1eA; ISO 179

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+15 ohm-cm	IEC 60093
Surface Resistance	1.00e+15 ohm	IEC 60093
Dielectric Constant	3.9 @Frequency 1e+6 Hz	IEC 60250
Dielectric Strength	25.0 kV/mm	IEC 60243
Dissipation Factor	0.0085 @Frequency 1e+6 Hz	IEC 60250
Arc Resistance	1.9 sec
Comparative Tracking Index	600 V	IEC 112

Thermal Properties	Original Value	Comments
Specific Heat Capacity	1.48 J/g-°C
Melting Point	167 °C	10°C/min.; ISO 3146
Maximum Service Temperature, Air	100 °C
Deflection Temperature at 1.8 MPa (264 psi)	110 °C	ISO 75
Vicat Softening Point	150 °C	50 N; ISO 306
Flammability, UL94	HB @Thickness 3.20 mm

Processing Properties	Original Value	Comments
Processing Temperature	180 - 230 °C	Barrel temperature
Mold Temperature	60.0 - 120 °C

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PZAK031 / 72870

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