How much Silc-Pig can I add to silicone?

Silc Pig® Silicone Colorants can be added to any Smooth-On tin-cure or platinum-cure silicone rubber or silicone rubber accessory such as Psycho Paint® or Skin Tite® (Do not use with Smooth-On urethane products.) These pigments can be used to create a variety of silicone color effects for a wide range of applications including special effects, prosthetics and orthopedics, making masks, toys, prototypes and many others.

Silc Pig® colorants are concentrated, offer excellent dispersion and consistent color. Silc Pig® colorants are very concentrated and a very small amount of pigment will color a proportionally large amount of silicone. The more you add in proportion to the volume of liquid rubber, the more dramatic the color effect. Recommended loading range is .001% to 3% of total system weight. Do not overload silicone rubber with Silc Pig® or cure inhibition may occur. If this is your first time adding color to a silicone system, it is recommended that you test the color effect by adding a few drops to a small amount of material and observe the outcome.

Silicone systems that do not originally contain color (such as Smooth-On's Dragon Skin® , Smooth-Sil® 910 or Smooth-Sil® 920) are much easier to color and require less pigment to acheive an effect versus systems containing color.

This FAQ article is offered as a guideline and offers possible solutions to problems encountered during mold making and casting. No warranty is implied and it is up to the end user to determine suitability for any specific application. Always refer to the provided Technical Bulletins (TB) & Safety Data Sheets (SDS) before using any material. A small scale test is suggested to determine suitability of any recommendation before trying on a larger scale for any application.