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Silicone (RTV-2) · P643

Product # XP-643 RTV Silicone Molding Rubber

Commercial terms

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≈ 9.4 lbs per gallon

  • Shore Hardness: A 40-44
  • Pot Life at 77°F: 1
  • Full Cure: 24 hr @ 25°C
  • Viscosity at 77°F: 25,000 cps
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Specs & Certifications

Viscosity at 77°F25,000 cps
Pot Life at 77°F1
Full Cure24 hr @ 25°C
Shore HardnessA 40-44
Specific Gravity1.13 g/cc
Tensile Strength725
Elongation at Break700 %
Minimum Service Temperature-51 °C
Maximum Service Temperature316 °C

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