Professional Grade Moldmaking Silicone and Polyurethane Casting Resin systems being offered for both master moldmaker and Hobbyist alike

Whether you are making your silicone molds and resin castings in a large manufacturing facility, special FX shop, theme park, bronze fine art foundry, art studio, pastry or chocolate shop, or your your garage, or you are making a silicone mold for the first time on your kitchen table. Whatever the application requires Hobby Silicone / MPK Enterprises has the right RTV MOLD MAKING SILICONE SOLUTION for you.

Condensation Cured
Mold Making Silicones

We have a wide variety of shore A hardness and catalyst systems to fit all your moldmaking needs.
Our mold making silicones have:

Platinum Silicones

Special Effects and Props Mold Making Silicone:
#2125 Blue
#2125 Green
Cat Thixo Brushable

Polyurethane Casting Resins -from 2 to 80 lbs kits

MPK70 is Ideal for casting plastic sculptures, models, prototypes. masters, figurines, toys, industrial parts, decorative ornaments, moldings, and fine detailed reproductions.

  • 65 to 70 Shore D Hardness
  • Paintable / Pigmentable
  • Gel Time 180 Sec to 10 Minutes
  • Fast Demold Time / No Leeching
  • Very strong with a slight flex, NOT BRITTLE
  • Water thin to pour
  • Very easy to sand even on big castings

Model Making
Most Popular Casting Resin MPK70-80 Sec

Food Grade Mold Making Silicone
Excellent for the modeling and casting of Chocolates, Candies and other Confectioneries.

Model Making Mold Making Silicone
We have a full line of making silicones and casting resins for all your model making needs.

Mold Making Silicone

Good for Candles and Soap Moldmaking pad printing as well.

Foundry Art Casting
For figurines in art cast foundries. Try our Green, blue and cat Thixo for your foundry work. Very good Mold life.

Brushable RTV Silicone
For brush up or lay up moldmaking. It has the thixotropic additive already in the catalyst.


Comes in Many Colors

Supplies and Tools

I thoroughly endorse the mold making silicones that Mike Knott has provided me.

Paul R. Barnes
FX Masters

MPK’s resins and silicones are of the highest quality , and meet all my needs for production.

James HakolaE

Both myself and my staff were very pleased with the quality and performance ...  QM silicones is now my brand of choice.

Steve Wang
Biomorphs, Inc.