Smooth-Sil® Series

Smooth-Sil® Series

Platinum Cure Silicone Mold Making Rubber

Smooth-Sil® Series

Smooth-Sil® Platinum Silicones exhibit good chemical, abrasion and heat resistance. Materials such as plasters, concrete, wax, low-melt metal alloys or resins (urethane, epoxy or polyester) can then be cast into these silicone rubbers without a release agent. Smooth-Sil® 940 is a food grade silicone suitable for making baking molds and trays, ice trays, casting butter, chocolate and other applications used to produce food.

Technical Information & More

HIGHLIGHTS

Versatile

Versatile

Versatile

Smooth‑Sil® products offer tremendous versatility and are suitable for making production molds of any configuration, large or small.

Low Shrinkage Low Shrinkage
Gram Scale Required Gram Scale Required
Recommend Vacuum Degassing Recommend Vacuum Degassing

Food Safe

Smooth-Sil 940 ONLY

Food Safe

Food Safe

Smooth-Sil 940 ONLY

Smooth-Sil® 940 is a food grade silicone suitable for making baking molds and trays, ice trays, casting butter, chocolate and other applications used to produce food.

Certified Food Safe Certified Food Safe
Gram Scale Required Gram Scale Required
Recommend Vacuum Degassing Recommend Vacuum Degassing

Technical and Buying Information

Select a Product Below Mix Ratio By Weight Mix Ratio By Volume Hardness Pot Life Cure Time
 Smooth-Sil® 935 100A:10B N/A 35 A 45 mins 24 hrs
 Smooth-Sil® 940 100A:10B N/A 40 A 30 mins 24 hrs
 Smooth-Sil® 945 1A:1B 1A:1B 45 A 25 mins 6 hrs
 Smooth-Sil® 950 100A:10B N/A 50 A 45 mins 24 hrs

VIDEOS and GALLERIES

Step-by-Step How-To Articles

Recreating Wartime Ration Bars With Food Safe Silicone

Recreating Wartime Ration Bars With Food Safe Silicone

A military re-enactor creates edible WW2 D-Ration bars with Smooth-Sil® 940 Silicone

 View How-To Article

Molding and Casting a Record That Actually Plays

Molding and Casting a Record That Actually Plays

How moldmaking and casting expand horizons for a seminar graduate whose passion is 78 RPM records

 View How-To Article

What Have Other People Done With These Products?

Smooth-On Silicones Pass High Temp Challenge For Wax Casting

Smooth-On Silicones Pass High Temp Challenge For Wax Casting

Nature's Best experimented and decided to change to Smooth-On platinum silicone rubbers.

 View Feature Article