However if you have to use a foam made of another material be sure to coat it in liquid wax.
Urethane foam mold making.
It is a compilation of past high profile concrete mold making projects and also features a never before seen project.
Silicone molds are the best for casting foam replicas.
The material shot into the mold is either in the form of liquid or in the form of hardened polyurethane droplets.
Foam it castable urethane foams will expand many times their original volume when mixed and poured.
Foam it expanding foams are easy to use and cure rigid and strong they can be used as a lightweight casting material backfill material for encapsulation or to make hollow castings.
The injection method involves shooting the material into a mold at a very high speed.
Foam it series castable rigid urethane foam.
Smooth on manufactures industry leading two component materials such as silicone urethane rubber urethane plastic urethane foam epoxy resin epoxy coatings and adhesives.
Silicone s slick surface means that the foam will not stick to it allowing you to easily demold your final piece without damaging the foam.
Is a leading manufacturer of specialty polymers including.
Search by product type polytek supplies materials to companies in industrial construction entertainment fine arts and technology sectors.
Aeromarine products is a premier supplier of epoxy resin products urethane foam mold making supplies casting resins.
The molds are for animal ear shapes it s a long story and they need to be squishy and light weight.
This video segment will show you how to make a simple urethane mold using tap urethane rtv system.
Polytek development corp.
Large array of epoxy resin products.
This product is a liquid two component polyurethane system that forms rigid foam with a nominal density of 2 12 lbs.
Higher densities can be made by restricting the expansion in closed molds.
Foam it 3 4 5 8 10 10 slow 15 26 are expanding water blown liquid polyurethane foams in 3 4 5 8 10 15 and 26 pound densities.
Casting flexible polyurethane foam.
That can be used for low density structural or flotation applications.
Polyurethane elastomers and casting resins silicones epoxies and latex.