RTV-3625 Moldmaking Silicone Rubber

Popular Specifications

Shore Hardness

Tear Strength


Hi-Pro Blue


120 ppi


Hi-Pro Green


125 ppi


Elkem RTV-3625 is a low-viscosity, 25 Shore A, tin-catalyzed, room-temperature curing silicone rubber. It is available with two catalysts. The Hi-Pro Green catalyst will provide very low shrink with a 16-18 hour demold, while Hi-Pro Blue allows demolding in 4 hours with a slightly higher shrink.

SKU Description   UM Thick Width Length Height Board ft. Net Wt. Diameter Grade Grit Plys Radius SPB Ship Note Min. Qty Pcs/Box Pcs/Bundle Winding Ft/Box Handle Len Head Diam Head Len Mfg. # Qty
054942KG RTV 3625 - 20 kg (Base Only) SO EA 44.1
054878KG Hi-Pro Blue - 2 kg (Catalyst Only) EA 4.4
054926KG RTV 3625 - 200 kg (Base Only) SO EA 440.9 FRT
055215KG Hi-Pro Green - 20 kg (Catalyst Only) EA 44.1
054879KG Hi-Pro Blue - 20 kg (Catalyst Only) EA 44.1

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Important Information

  • Shipping: Freeman charges standard published UPS/FedEx shipping rates (unless freight is specified). All orders under $25 are subject to a $5 small order fee. International orders are subject to a $250 minimum order.

  • Liquid products are sold by weight, not volume.

  • SPB = Sheets per Box

  • HAZ-G = Hazardous material, cannot ship air, up to $33 surcharge applied for each package shipped ground within the US.

  • HAZ-A = Hazardous material, cannot ship air, no surcharge for ground shipping.

  • HAZ-T = Toxic material, must be sent by freight carrier.

  • FRT = must be sent by freight carrier due to size, weight, or hazardous classification.

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