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Kolon Kocetal® K700 General Purpose Grade Acetal Copolymer

Category Polymer , Thermoplastic , Acetal (POM) , Acetal Copolymer, Unreinforced
Manufacturer Kolon
Trade Name Kocetal®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Kolon Kocetal® K700 General Purpose Grade Acetal Copolymer.pdf
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Material Notes:
Thermal properties: Kocetal has excellent heat stability; heat degradation is little under long term and high temperature application, compared to other POM. Maximum applicable temperature of products of Kocetal are short term: 140-150C and long term: 100-120C.Mechanical Properties: Kocetal is an engineering plastic that has excellent strength, stiffness and wear endurance. Also, it offers an excellent balance of several properties. For example, mechanical properties are stable in the practical temperature zone (-50C to 80C), compared to Nylon and PBT resins. Although it has slightly lower initial strength, compared to homopolymer, the long term properties of "elongation at break and impact strength" are superior.Electrical Properties: Kocetal has excellent electrical properties. Its electrical properties, volume resistivity, dielectric constant, dissipation factor and dielectric strength change little with temperature. It also has a feature of good anti-pollution properties on electrical contact. Kocetal has such a permanent anti-static grade that can be applied to the specifics.Chemical Properties: Kocetal has excellent chemical resistance to organic chemicals, oils, fats and detergents. It is also strongly resistant to inorganic chemicals except strong acids.Information provided by US distributor, API-Kolon.
Physical Properties Metric English Comments
Density 1.41 g/cc
0.0509 lb/in³
ASTM D790
Water Absorption 0.22 %
0.22 %
ASTM D570
Linear Mold Shrinkage 0.020 cm/cm
0.020 in/in
ASTM D955
Melt Flow 27 g/10 min
27 g/10 min
ASTM D1238
Mechanical Properties Metric English Comments
Hardness, Rockwell M 80
80
ASTM D785
Tensile Strength, Ultimate 64.7 MPa
9390 psi
ASTM D638
Elongation at Break 45 %
45 %
ASTM D638
Flexural Yield Strength 97.1 MPa
14100 psi
ASTM D790
Flexural Modulus 2.70 GPa
391 ksi
ASTM D790
Izod Impact, Notched 0.549 J/cm
1.03 ft-lb/in
ASTM D256
Coefficient of Friction 0.22
0.22
ASTM D1894
Thermal Properties Metric English Comments
CTE, linear 110 - 130 µm/m-°C

@Temperature 20.0 °C
61.1 - 72.2 µin/in-°F

@Temperature 68.0 °F
ASTM D696
Melting Point 166 °C
331 °F
ASTM D1525
Maximum Service Temperature, Air 100 - 120 °C
212 - 248 °F
Long Term
140 - 150 °C
284 - 302 °F
Short Term
Deflection Temperature at 0.46 MPa (66 psi) 158 °C
316 °F
ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 110 °C
230 °F
ASTM D648
Vicat Softening Point 162 °C
324 °F
ASTM D1525
Flammability, UL94 HB
HB
Electrical Properties Metric English Comments
Volume Resistivity 1.00e+14 ohm-cm
1.00e+14 ohm-cm
ASTM D257
Surface Resistance 1.00e+16 ohm
1.00e+16 ohm
ASTM D257
Dielectric Constant 3.7

@Frequency 1e+6 Hz
3.7

@Frequency 1e+6 Hz
ASTM D150
Dielectric Strength 19.0 kV/mm
483 kV/in
ASTM D149
Dissipation Factor 0.0060

@Frequency 1e+6 Hz
0.0060

@Frequency 1e+6 Hz
ASTM D150
Arc Resistance >= 200 sec
>= 200 sec
ASTM D495
Processing Properties Metric English Comments
Rear Barrel Temperature 160 - 180 °C
320 - 356 °F
Middle Barrel Temperature 182 - 200 °C
359 - 392 °F
Front Barrel Temperature 190 - 210 °C
374 - 410 °F
Nozzle Temperature 190 - 210 °C
374 - 410 °F
Melt Temperature 166 °C
330 °F
Mold Temperature 60.0 - 100 °C
140 - 212 °F
Surface
Drying Temperature 80.0 °C
176 °F
Dry Time 3 hour
3 hour
Injection Pressure 68.6 - 108 MPa
9950 - 15600 psi
Screw Speed 50 - 100 rpm
50 - 100 rpm
Purge with polyethylene/polystyrene
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