Mold Star 20T Transparent Platinum Mold Silicone

Mold Star 20T Transparent Platinum Mold Silicone

Mold Star 20T Clear Platinum Molding Silicone Mold Star® 20T silicones are Shore 20A transparent colored platinum silicones that are mixed in a 1A:1B ratio by volume and are easy to use (no precision weighing required). It has relatively lower viscosities and vacuum degassing is not necessary for most applications. Mold Star® 20T cures at room temperature in 30 minutes and has an application time of 6 minutes.



Mold Star® 20T provides soft and strong silicone results that are resistant to rupture and have very low long-term shrinkage margins. Suitable for pouring wax, plaster, resin, concrete and many other materials, molds made with Mold Star® silicones can be kept in your mold library for a long time.

Note: This product will not cure on sulphur-containing substrates, even when sealed.

Technicial Specifications

  • Mixing Ratio by Volume: 1A:1B
  • Mixing Ratio by Weight: 1A:1B
  • Specific Gravity: 1.08 g/cc
  • Specific Volume: 1.59 m3/ kg (25.6 cu. in./lb.)
  • Mixture Life: 6 minutes
  • Curing Time: 30 minutes
  • Color: Translucent
  • Shore A Hardness: 20
  • Tensile Strength: 28.95 Bar (420 psi)
  • 100% Module: 3.240 Bar (47 psi)
  • Elongation at Break: 470 %
  • Die B Breaking Force: 90 ply
  • Shrinkage: <,001 in. / in.
  • Viscosity of Mixture: 11.000 cps
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