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Frequently Asked Questions

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Mold Making Questions

Casting Questions


• How Much Mold Rubber Do I Need?

• How Do I Build a Mold Box?

• Double Mix & Pour Technique

• Bubbles in My Cured Mold

• Bubbles in My Brush-On Mold

• Cure Inhibition - Mold Rubber

• Heat Curing and Post Curing

• How Long Will My Mold Last?

• Release Agent - Do I Need One?

• Releasing Urethane from Urethane

• Releasing Silicone from Silicone

• Silicone Sticking to My Model

• Vacuuming Silicone Rubber

• Running Out of Mold Rubber?

• Brush-On Rubber Runs Off My Model


How Much Liquid Plastic Will I Need To ..Make My Casting?

• Adding Color Pigments

• Adding Fillers to Urethane Castings

• Bubbles in Urethane Castings

• Cure Inhibition - Castings

• How Long Will My Mold Last?

• Metal Cold Casting

• Creating a Marble Effect

• Achieving a Woodgrain Finish

• Painting a Urethane Casting

• Post Curing a Urethane Casting

• Removing Release Agent

• What Kind of Paint Should I Use?

• Releasing Concrete from Rubber Molds

• Can I Cast Hot Wax Into An Alja Safe Alginate Mold?

Is there a way to improve surface finish when casting a rigid or flexible foam?

   
   
   
General Questions

• Why Did We Create an FAQ List?

Safety: Are These Materials Safe to Use?

• Is there a "food safe" mold rubber?

• How Are These Materials Packaged?

• Why Isn't My Container Full?

• Definitions and Terms

• Opening Gallon Pails                                        

• Dispensing From 5-Gallon Pails

• Clean-Up

• Shelf Life of Materials

• Color Variation in Materials

• Production Life vs. Library Life of My Rubber Mold

• Repairing a Torn Rubber Mold

• Storing a Rubber Mold

How Temperatures Affect These Materials

• Bonding Urethane Rubber to Metal

• Bonding Urethane Rubber to Urethane Rubber

• How Do I Build a Hot Box?

• What's the Best Way to Restore or Repair Wood Surfaces?

 

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