Frequently Asked Questions

We have questions and answers to help you decode the terminology and the fundamentals of mouldmaking and casting.

General Information

  1. Are Smooth-On materials ‘vegan’? Do they contain ingredients taken from animals?
  2. What does the term "Shore Hardness" mean?
  3. Definitions of Mouldmaking and Casting Technical Terms
  4. Aquarium Safe Materials
  5. Is there an easy way to test if a product is working properly?

Mouldmaking Questions

  1. Do I have to vacuum de-gas the silicone rubber? Is vacuuming the rubber that important?
  2. How do I release silicone from silicone?
  3. How much mold rubber do I need?
  4. Do you have a rubber that is food safe for casting chocolate and other food items?
  5. What are the major differences between tin-cure (condensation cure) and platinum-cure (addition cure) silicone mould making rubbers?

Casting Questions

  1. What is the heat resistance of rigid expanding foams?
  2. What is rotational casting? Are some resins better for rotational casting than others?
  3. How can I avoid bubbles in my casting?
  4. Is there a way to improve surface finish when casting a rigid or flexible foam?
  5. What is pressure casting? Will it completely eliminate bubbles from my plastic casting?

Lifecasting Questions

  1. How much Body Double silicone do I need?
  2. Is Alja-Safe™ alginate safe for making dental impressions?
  3. Is there latex in Body Double?
  4. Can I cast hot wax into an Alja-Safe™ alginate mould?
  5. How do I choose between Body Double silicone and Alja-Safe alginate for lifecasting?

Skin FX Questions

  1. Do I need to put release cream on body hair when using Skin Tite?
  2. How do I make paint stick to platinum silicone?
  3. How can I keep from sweating Skin Tite off?
  4. What materials do I need to create a Silicone Gel-Filled Appliance?
  5. How do I make a silicone baby doll?

Forton GFRC Questions

  1. What is GFRC?
  2. What are the benefits of GFRC?
  3. Is the type of sand used in GFRC important?
  4. What is plasticizer?
  5. How Can I Eliminate Surface Voids in Concrete?

Forton FMG Questions

  1. What is FMG?
  2. Can I use any gypsum plaster for FMG?
  3. What type of glass fibre is used in FMG?
  4. What are the set, demoulding and curing times for FMG?
  5. What colours and finishes are possible with FMG?