For more information, please download the TDS available in PDF format below.
Bluesil ™ RTV 3621 A/B when stored in its original unopened packaging, at a temperature of 24°C (77°F), may be stored for 6 months from the date of manufacture. Beyond this date, Elkem Silicones no longer guarantees that the product meets the sales specifications.​
Please consult the Safety Data Sheet of this product.


​Bluesil™ RTV 3621 A&B is a two component silicone elastomer that cures at room temperature by polyaddition reaction, at a 1:1 ratio. It is designed to be used for molding in a variety of applications and particularly for those requiring realistic skin feel.

2 Part RTV


• Easy to use viscosity
• Translucent – can be pigmented
• Excellent reproduction of details
• Excellent mechanical properties
• Low linear shrinkage
• High resistance to inorganic chemicals and ultraviolet rays
• Molding life like parts
• Animatronics; special effect skins
• Props for the film industry
• Theme park props and reproduction molds

North America

For information about Storage and Shelf Life for this product, please download the Technical Data Sheet.
















BLUESIL RTV 3621 BBLUESIL RTV 3621 B/our_offer/Product/90060427/90060426/BLUESIL-RTV-3621-B































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