OOMOO 25 Easy-to-Use Molding Silicone

OOMOO 25 Easy-to-Use Molding Silicone

OOMOO 25 Easy-to-Use Mold Silicone No vacuuming – No measuring – Easy to Use… OOMOO® 25 is an easy-to-use silicone compound with a one-to-one mixing ratio by volume (no scale required). It has a low viscosity for easy mixing and pouring… No need for vacuum degassing. This product cures at room temperature with very small shrinkage. OOMOO® 25 offers 15 minutes of application time and 75 minutes of cure time.

For Novice Mold Makers - OOMOO® silicones do not have great tear strength. But they are suitable for making simple one- or two-piece block molds. If you need a high tear strength silicone, it is recommended to use Mold Max® silicones.

OOMOO® 25 is suitable for a variety of artistic and industrial applications, including plaster, resin and wax castings, prototypes, one- and two-piece block moulds. OOMOO® silicones can also be used for electronic circuit boxes making and encapsulation applications.


General features

  • One-to-one mixing ratio by volume (no scale required)
  • Low viscosity for easy mixing and pouring. . . Vacuum degassing is not required.


Technicial Specifications

  • Mixing Ratio by Volume : 1A:1B
  • Mixing Ratio by Weight : 100A:130B
  • Specific weight 1,34 g/cc
  • Specific Volume : 1.28m3/kg (20.6 cu. in./lb.)
  • Mixture Life: 15 minutes
  • Curing Time: 75 minutes
  • Color: Light Blue
  • Shore Hardness:   25 A
  • Tensile Strength: 16.54 Bar (240 psi)
  • Elongation at Break: 250 %
  • Draw Share: 0.0025 in. / in.
  • Die B Breaking Force: 40 ply
  • Usable Temperature (min.): -53°C (-65 °F)
  • Usable Temperature (max): 204°C (400 °F)
  • Viscosity of the Mixture: 4,250 cps
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