RTV-3460 Mold Making Silicone Rubber

Popular Specifications

58A Shore Hardness
140 ppi Tear Strength
65,000 cps Viscosity

Elkem RTV-3460, formerly Bluestar RTV-3460, is a two-component, addition-cure, room-temperature curing, 58 Shore A silicone rubber. It is designed for the prototype and architectural industries where urethane elastomers and foams are commonly used.

Molds made from RTV-3460 feature high tear strength, excellent dimensional stability in high pressure applications, and improved release characteristics for long mold life. RTV-3460 is available in gray or translucent.

Elkem V-240 has been discontinued including SKUs 054846KG, 054847KG, 054819KG, and 054820KG. RTV-3460 is the alternative.

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
054936 RTV-3460 - Gallon Unit (Gray) EA 11
054934KG RTV-3460 - 20 kg (Base Only) EA 44.1
054935 RTV-3460 - 2 kg (Gray Catalyst Only) EA 4.4
054961 RTV-3460 - 2 kg (Translucent Catalyst Only) SO EA 4.4 20
054932KG RTV-3460 - 200 kg (Base Only) EA 440.9 FRT
054933KG RTV-3460 - 20 kg (Gray Catalyst Only) EA 44.1
054960 RTV-3460 - 20 kg (Translucent Catalyst Only) SO EA 44.1 2

Click Here to View Our Closeout Page

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.

Product Table Legend

  Special Order

Minimum quantities and extended lead times may apply. Cannot be cancelled or returned once processed.


This item is not stocked in Freeman warehouses and may be subject to extended lead times.

  Limited Stock

Due to limited stock availability, extended lead times may apply.

  Closeout Item

Available at special pricing on our closeout list. Subject to prior sale.

  Web Discounts

Item is discounted for quotes or orders completed on the website only.

/  Favorite Items

When logged in, select your favorite items in the table and view later in "My Account".