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Elmet Technologies

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Bakelite® UP 3620 Unsaturated Polyester Resin, High Surface Quality, UL Listed
Categories: Polymer; Thermoset; Filled/Reinforced Thermoset; Polyester, TS; Thermoset Polyester Glass Filled BMC
Material Notes: Polyester molding compound, mainly organically filled, styrene free, processing shrinkage as for phenolic molding compounds, non flammable, high surface quality, UL listed molding compound 1,5 mm / V-0 (ALL).

Applications: Lamp parts, switch gears, housings and base plates, MCB housings.
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 PropertiesOriginal ValueComments
Density 1.71 g/ccISO 1183
Apparent Bulk Density 0.700 g/ccISO 60
Linear Mold Shrinkage 0.0070 cm/cmCompression Molding. Post Shrinkage = 0.25%.; ISO 2577
 0.0075 cm/cmInjection Molding. Post Shrinkage = 0.25%.; ISO 2577
 
Mechanical PropertiesOriginal ValueComments
Ball Indentation Hardness 250 MPaH961/30; ISO 2039/P1
Tensile Strength 50.0 MPaISO 527 - 1/2
Tensile Modulus 8500 MPaISO 527 - 1/2
Flexural Strength 80.0 MPaISO 178
Flexural Modulus 7500 MPaISO 178
Compressive Strength 180 MPaISO 604
Charpy Impact Unnotched 7.50 kJ/m²ISO 179-1 eU
Charpy Impact, Notched 1.90 kJ/m²ISO 179-1eA
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 1.00e+12 ohm-cm
Surface Resistance 1.00e+11 ohm
Dielectric Constant 5.0
@Frequency 100 Hz
Dielectric Strength 30.0 kV/mm
@Thickness 1.00 mm		IEC 60243-P1
Dissipation Factor 0.020
@Frequency 100 Hz
Arc Resistance 140 - 145 secASTM D495
High Voltage Arc Resistance to Ignition (HVAR) >= 300 sec
@Thickness 1.50 mm		(ALL)
Comparative Tracking Index 600 V
Hot Wire Ignition, HWI 60 - 120 sec
@Thickness 1.50 mm		(ALL)
 >= 120 sec
@Thickness 3.00 mm		ALL
High Amp Arc Ignition, HAI >= 120 arcs
@Thickness 1.50 mm		(ALL)
High Voltage Arc-Tracking Rate, HVTR 0.000 - 10.0 mm/min
@Thickness 3.00 mm		ALL
 
Thermal PropertiesOriginal ValueComments
Maximum Service Temperature, Air 130 °C<20000 hours; IEC 60216-P1
 190 °C< 50 hours; IEC 60216-P1
Deflection Temperature at 8.0 MPa 70.0 °CISO 75-2
UL RTI, Electrical 105 °C
@Thickness 1.50 mm		(ALL)
UL RTI, Mechanical with Impact 130 °C
@Thickness 1.50 mm		(ALL)
UL RTI, Mechanical without Impact 130 °C
@Thickness 1.50 mm		(ALL)
Flammability, UL94 V-0
@Thickness 1.50 mm		All colors
 
Processing PropertiesOriginal ValueComments
Feed Temperature 60.0 - 70.0 °CInjection molding
Nozzle Temperature 70.0 - 100 °CInjection molding
Melt Temperature 70.0 - 100 °CInjection molding
Mold Temperature 160 - 180 °CInjection molding
 160 - 180 °CCompression molding
Injection Pressure >= 10.0 MPaCompression and injection cavity mold pressure
Back Pressure 0.500 - 1.00 MPaInjection molding
Cure Time 10.0 - 20.0 secPer 1 mm of wall thickness, injection molding
 20.0 - 40.0 secPer 1 mm of wall thickness, compression molding
 
Descriptive Properties
Creep Rupture StrengthMedium
Holding PressureApproximately 40-60% of injection pressure
Media ResistanceMedium
Thermal ExpansionSlight
Water absorption (mg)7024h / 23°C

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PBAKE055 / 27089




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