What is Condensation Cure And Addition Cure Silicone?

Silicone rubber is an extremely versatile material that can be used for almost any application. It finds various uses in our everyday life from cosmetics and medication to bath mats, mobile phone keypads and tires, to name a few.

The flexible, durable and water/fire resistant properties of silicone rubber also make it an excellent material for making a mold or cast. A silicone mold lends itself well for resin or plaster casting, as well Skin safe and food safe silicone mold rubbers are also available.

Types of Silicone Rubber :

Broadly speaking, there are two main categories of RTV (room temperature vulcanization) silicone that can be used for making a mold or cast:

Both of these types of silicone are very different from each other. More importantly, they are not compatible with one another either.

The main differences are as follows:

To sum up, both addition cure and condensation cure silicones have certain unique characteristics which should be carefully considered during product selection depending on the application.