RTV-3040 Clear Mold Making Silicone Rubber


Popular Specifications
22-45A Shore Hardness  •  100-130 ppi Tear Strength
40,000 cps Viscosity
Elkem RTV-3040, formerly Bluestar Bluesil RTV-3040, is specifically formulated to make clear rubber molds for complex parting lines and features the strength and clarity required in high-end prototyping applications. RTV-3040 Base with RTV-3040 Catalyst provides a 38 Shore A hardness, our most popular combination. The base may also be used with other catalysts resulting in hardnesses from 22-45 Shore A. It is compliant to 21CFR177.2600 (repeated food contact applications).

Ordering Notes


  • RTV-3040 is featured in a sample kit. Click here for more information.
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

Ordering Legend

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Shipping Information

Standard rates: published UPS/FedEx shipping rates apply unless freight is specified.

Small orders: orders under $25 subject to a $5 fee.

International orders: subject to a $250 minimum.

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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