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High Strength 1

High Strength 1

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Use High Strength 1, a tin-based silicone mold making rubber, when your mold requires a little more stiffness but still need exceptional tear strength.

  • Doesn’t require degassing, but recommend when possible
  • Great for one- or two-piece molds that require stiff mold properties
  • Use Rubber to Rubber mold release or petroleum jelly when making 2-piece molds

Prior to using product, please read all Technical Data, Safety Data, and Instruction sheets linked below.

$27.50 - $165.50

Technical Specifications

Product:
High Strength 1
Color:
Pink
Mix Ratio:
10:1 by weight
Pot Life:
45 minutes
Demold Time (100 gram mass):
12-18 hours
Mixed Viscosity (cps) at 130º F:
22,000
Specific Gravity:
1.15
Linear Shrinkage:
.3%
Shore Hardness (ASTM D2240):
38 A
Tear Strength (ppi):
148
Elongation (in./in.):
430%
Tensile Strength (ASTM D638, psi):
551
Temperature Resistance:
-67º to 395º F

More Information

Safety Data Sheet

Choosing A Silicone

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