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This is the free Material Data Center Datasheet of Kocetal® GF305 - POM-GF25 - Kolon Industries

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Processing/Physical Characteristics - Mechanical properties - Thermal properties - Electrical properties - Other properties - Processing Recommendation Injection Molding
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Processing/Physical CharacteristicsValueUnitTest Standard
ISO Data
Melt flow index, MFI 7 g/10min ISO 1133
Temperature 190 °C -
Load 2.16 kg -
Molding shrinkage, parallel 0.8 % ISO 294-4, 2577
Molding shrinkage, normal 1.4 % ISO 294-4, 2577
ASTM Data
Melt Flow Index, MFI 7 g/10min ASTM D 1238
Temperature 190 °C -
Load 2.16 kg -
Mold Shrinkage, MD 0.005 mm/mm ASTM D 955
Mechanical propertiesValueUnitTest Standard
ISO Data
Tensile Strength 130 MPa ISO 527
Strain at break 4 % ISO 527
Flexural modulus, 23°C 8500 MPa ISO 178
Charpy notched impact strength, +23°C 7 kJ/m² ISO 179/1eA
Rockwell hardness M 96 - ISO 2039-2
ASTM Data
Tensile Strength 128 MPa ASTM D 638
Elongation at Break 6 % ASTM D 638
Flexural Modulus 8000 MPa ASTM D 790
Flexural Strength 190 MPa ASTM D 790
Rockwell Hardness M 90 - ASTM D 785
Izod Impact notched, 1/8 in 50 J/m ASTM D 256
Thermal propertiesValueUnitTest Standard
ISO Data
Melting temperature, 10°C/min 166 °C ISO 11357-1/-3
Temp. of deflection under load, 1.80 MPa 161 °C ISO 75-1/-2
ASTM Data
UL 94 Flame rating HB - UL 94
Thickness tested 0.8 mm -
Coefficient of Thermal Expansion, MD 25 E-6/K ASTM D 696
DTUL @ 66 psi 164 °C ASTM D 648
DTUL @ 264 psi 163 °C ASTM D 648
Melting Temperature 166 °C ASTM D 3418
Electrical propertiesValueUnitTest Standard
ISO Data
Volume resistivity 1E12 Ohm*m IEC 62631-3-1
Surface resistivity >1E15 Ohm IEC 62631-3-2
Electric strength 19 kV/mm IEC 60243-1
ASTM Data
Dielectric Strength, Short Time 19 kV/mm ASTM D 149
Dissipation Factor, 1 MHz 0.006 - ASTM D 150
Surface Resistivity >1E15 Ohm ASTM D 257
Volume Resistivity 1E14 Ohm*cm ASTM D 257
Other propertiesValueUnitTest Standard
Density 1590 kg/m³ ISO 1183
Water Absorption, 24hr 0.2 % ASTM D 570
Density 1590 kg/m³ ASTM D 792
Processing Recommendation Injection MoldingValueUnitTest Standard
Pre-drying - Temperature 80 - 90 °C -
Pre-drying - Time 3 h -
Melt temperature ≤220 °C -
Mold temperature 70 - 120 °C -
Zone 1 180 °C -
Zone 2 200 °C -
Zone 3 200 °C -
Nozzle temperature 210 °C -
Characteristics
Processing
Injection Molding
Regional Availability
North America, Asia Pacific
Disclaimer
Copyright Altair Engineering GmbH. Altair Engineering GmbH assumes no liability for the system to be free of errors. The user takes sole responsibility for the use of this data under the exclusion of every liability from Altair Engineering GmbH; this is especially valid for claims of compensation resulting from consequential damages. Altair explicitly points out that any decision about the application of materials must be double checked with the producer of this material. This includes all contents of this system. Copyright laws are applicable for the content of this system.
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