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SILASTIC™ RTV-4251-S2 Base and Curing Agent

High strength, lower durometer silicone rubber suited for many moldmaking applications. Recommended for use with plaster, cement and rigid polyurethane and can be used with polyesters.

Properties

These values are not intended for use in preparing specifications.

Key Properties

  • Mixing Viscosity Yes No 9000 Centipoise

Typical Properties

  • Approximate De-mold Time Yes No 6 to 8 hrs
  • Color Yes No Off-White
  • Cure Type Yes No Addition Cure
  • Durometer - Shore A Yes No 20 Shore A
  • Elongation Yes No 600 %
  • Mix Ratio Yes No 10:1 Base to Catalyst 87-RC
  • Number of Parts Yes No Two
  • Polyesters Yes No true
  • Specific Gravity @ 25°C Yes No 1.13
  • Tear Strength Yes No 130 ppi
  • Tensile Strength Yes No 910 psi
  • Type Yes No Kit
  • Working Time Yes No 60 Minutes

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SILASTIC™ RTV-4251-S2 Base and Curing Agent
No Technical Data Sheets are available online for this material.
Please Contact Dow for additional information.

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SILASTIC™ RTV-4251-S2 Base and Curing Agent
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