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Master Bond adhesives

CHT ALPA-SIL 97071-3 THI Silicone Molding Rubber
Categories: Polymer; Thermoset; Silicone; Silicone Rubber

Material Notes: Description: This is a pourable 2-part addition cure silicone elastomer system. After mixing parts ‘A’ and ‘B’ in the correct proportions, the system will cure at ambient temperatures within 24 hours, but the rate of cure can be accelerated by heat. The cured rubber exhibits excellent physical and electrical properties.

Key Features

  • crosslinks at temperatures above 23 °C/77°F
  • easy processing due to low viscosity
  • easy mixing of the components
  • very good mechanical properties

Information provided by CHT Group

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Physical PropertiesMetricEnglishComments
Density 1.10 g/cc0.0397 lb/in³A; BS ISO 2781
 1.10 g/cc0.0397 lb/in³B; BS ISO 2781
Brookfield Viscosity 15000 cP15000 cPA
 15000 cP15000 cPB
Linear Mold Shrinkage <= 0.0010 cm/cm<= 0.0010 in/in
Storage Temperature <= 30.0 °C<= 86.0 °F
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 4545DIN 53 505
Tensile Strength 5.00 MPa725 psiISO 37
Elongation at Break 250 %250 %ISO 37
Tear Strength 10.2 kN/m58.0 pliBS ISO 34-1
 
Processing PropertiesMetricEnglishComments
Cure Time 90.0 min1.50 hourDe-mould Time / Full Cure
Pot Life 20.0 min20.0 min
Shelf Life 6.00 Month6.00 Month
 
Descriptive Properties
Appearanceviscous liquid
ColorBlackCured Product
 translucentA
Cure typeAddition
Mix Ratio1:1By Weight

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.

PCHTSIL099 / 314582

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