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Master Bond adhesives

CHT Group QSil 58 QSI Quantum Silicones 50 Durometer Condensation Cure for Potting
Categories: Polymer; Thermoset; Silicone

Material Notes: QSil 58 is a red, high temperature, self-leveling, two-component silicone material primarily used for potting applications. The two applicable catalysts are 0.5% DBT by weight and 10% Deep Section Catalyst by weight. The 0.5% catalyst level can be increased or decreased to obtain desired cure speed. Cure speed can be accelerated by adding DBT catalyst in increments of 0.1% DBT. QSil 58 can be catalyzed with 10% Deep Section Catalyst for application requiring a deeper cure. The material can also be vulcanized at temperatures up to 70°C to increase cure speed.

Key Features:

  • Excellent thermal stability
  • Self-leveling
  • Variable cure speed
Part of the Amber Chemical Group. Data provided by manufacturer.

Formerly Amber Chemical Co (ACC Silicones), aquired by CHT in 2017

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
Specific Gravity 1.04 g/cc1.04 g/ccuncatalyzed, DBT Catalyst
 1.47 g/cc1.47 g/ccuncatalyzed, Deep Section Catalyst
 1.48 g/cc1.48 g/cccatalyzed with 0.5% DBT Catalyst or 10% Deep Section Catalyst
 1.48 g/cc1.48 g/ccuncatalyzed
Solids Content 100 %100 %
Viscosity 6500 cP6500 cPuncatalyzed, Deep Section Catalyst
 9000 cP9000 cP
Storage Temperature <= 4.00 °C<= 39.2 °F12 months
 5.00 - 27.0 °C41.0 - 80.6 °F3 months
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 5858catalyzed, 24 hours
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 2.00e+14 ohm-cm2.00e+14 ohm-cm
Dielectric Constant 4.4
@Frequency 1000 Hz
4.4
@Frequency 1000 Hz
Dielectric Strength 17.7 kV/mm450 kV/in
Dissipation Factor 0.030
@Frequency 1000 Hz
0.030
@Frequency 1000 Hz
 
Thermal PropertiesMetricEnglishComments
Thermal Conductivity 0.310 W/m-K2.15 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 260 °C500 °Fcontinuously and up to 316°C (600°F) intermittently
Minimum Service Temperature, Air -54.0 °C-65.2 °F
 
Processing PropertiesMetricEnglishComments
Gel Time 49.0 min49.0 min
 
Descriptive Properties
ColorRed

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PACC039 / 22166

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