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Master Bond adhesives

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Bakelite® UP 804 Unsaturated Polyester Resin, High Surface Quality, UL Listed, Low Shrinkage, High Arc Resistance
Categories: Polymer; Thermoset; Filled/Reinforced Thermoset; Polyester, TS; Thermoset Polyester Glass Filled BMC
Material Notes: Polyester molding compound, inorganically filled, glass fiber reinforced, styrene free, high dimensional stability, very slight post shrinkage, good mechanical properties, non flammable, very good electrical properties, high temperature stability, UL list

Applications: Explosion proof switches, safety switch housings, electric motor clamp boards, wiring devices, housing parts, oven strips, oven knobs and regulator knobs, lamp parts.
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 2.10 g/ccISO 1183
Apparent Bulk Density 0.920 g/ccISO 60
Linear Mold Shrinkage 0.0015 cm/cmCompression Molding. Post Shrinkage = 0.02%.; ISO 2577
 
Mechanical PropertiesOriginal ValueComments
Ball Indentation Hardness 425 MPaH961/30; ISO 2039/P1
Flexural Strength 105 MPaISO 178
Flexural Modulus 14500 MPaISO 178
Compressive Strength 165 MPaISO 604
Charpy Impact Unnotched 7.00 kJ/m²ISO 179-1 eU
Charpy Impact, Notched 4.00 kJ/m²ISO 179-1eA
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 1.00e+13 ohm-cm
Surface Resistance 1.00e+12 ohm
Dielectric Constant 6.0
@Frequency 100 Hz
Dielectric Strength 26.5 kV/mm
@Thickness 1.00 mm		IEC 60243-P1
Dissipation Factor 0.020
@Frequency 100 Hz
Arc Resistance 185 - 190 secASTM D495
High Voltage Arc Resistance to Ignition (HVAR) >= 300 sec
@Thickness 1.40 mm		(BK)
 >= 300 sec
@Thickness 1.50 mm		(GY, BN, WT)
Comparative Tracking Index 600 V
Hot Wire Ignition, HWI >= 120 sec
@Thickness 1.40 mm		(BK)
 >= 120 sec
@Thickness 1.50 mm		(GY, BN, WT)
High Amp Arc Ignition, HAI 60 - 120 arcs
@Thickness 1.40 mm		(BK)
 60 - 120 arcs
@Thickness 1.50 mm		(GY, BN, WT)
 
Thermal PropertiesOriginal ValueComments
Maximum Service Temperature, Air 170 °C<20000 hours; IEC 60216-P1
 210 °C< 50 hours; IEC 60216-P1
Deflection Temperature at 8.0 MPa 205 °CISO 75-2
UL RTI, Electrical 105 °C
@Thickness 1.40 mm		(BK)
 105 °C
@Thickness 1.50 mm		(GY, BN, WT)
UL RTI, Mechanical with Impact 130 °C
@Thickness 1.40 mm		(BK)
 130 °C
@Thickness 1.50 mm		(GY, BN, WT)
UL RTI, Mechanical without Impact 130 °C
@Thickness 1.40 mm		(BK)
 130 °C
@Thickness 1.50 mm		(GY, BN, WT)
Flammability, UL94 V-1
@Thickness 1.50 mm		WT
 V-0
@Thickness 1.40 mm		BK
 V-0
@Thickness 1.50 mm		BN,GY
 
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 StrengthGood
Holding PressureApproximately 40-60% of injection pressure
Media ResistanceMedium
Thermal ExpansionVery Slight
Water absorption (mg)1324h / 23°C

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PBAKE048 / 27082




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