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Rulon Bearings

Kolon Kocetal® K300HC Acetal Copolymer
Categories: Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Unreinforced
Material Notes: General Purpose, Injection Molding, Medium-Viscosity.

Information provided by Kolon Plastic, Inc.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 1.41 g/cc0.0509 lb/in³ISO 1183
Moisture Absorption 0.220 %0.220 %50% RH; ISO 62
Linear Mold Shrinkage 0.018 - 0.022 cm/cm0.018 - 0.022 in/inISO 294-4
Melt Flow 9.5 g/10 min
@Load 2.16 kg,
Temperature 190 °C		9.5 g/10 min
@Load 4.76 lb,
Temperature 374 °F		ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 8080ISO 2039-2
Tensile Strength, Yield 66.0 MPa9570 psi50 mm/min; ISO 527
Elongation at Break 25 %25 %50 mm/min; ISO 527
Elongation at Yield 12 %12 %50 mm/min; ISO 527
Flexural Strength 85.0 MPa12300 psi2 mm/min; ISO 178
Flexural Modulus 2.70 GPa392 ksi2 mm/min; ISO 178
Charpy Impact, Notched 0.750 J/cm²
@Temperature 23.0 °C		3.57 ft-lb/in²
@Temperature 73.4 °F		ISO 179/1eA
 
Thermal PropertiesMetricEnglishComments
Melting Point 171 °C340 °F20 ?/min; ISO 11357-1
Deflection Temperature at 1.8 MPa (264 psi) 95.0 °C203 °FISO 75
Flammability, UL94 HB
@Thickness 0.800 mm		HB
@Thickness 0.0315 in
 
Processing PropertiesMetricEnglishComments
Processing Temperature <= 220 °C<= 428 °FUpper Limit
Rear Barrel Temperature 160 - 180 °C320 - 356 °F
Middle Barrel Temperature 170 - 190 °C338 - 374 °F
Front Barrel Temperature 180 - 200 °C356 - 392 °F
Nozzle Temperature 180 - 200 °C356 - 392 °F
Mold Temperature 60.0 - 80.0 °C140 - 176 °F
Drying Temperature 80.0 - 90.0 °C
@Time 10800 - 18000 sec		176 - 194 °F
@Time 3.00 - 5.00 hour		Dehumidifying Dryer
Moisture Content <= 0.10 %<= 0.10 %

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PKOKZ771 / 255782

Master Bond adhesives




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