Polytek

Release Agents & Sealers for Mold Making

The careful selection of sealers and/or release agents is essential to successful mold making. There are many ways the following materials can be used separately or in conjunction with one another. The following descriptions are brief synopses of each product and do not include every possible scenario; please reach out to us if you are unsure of which sealer and/or release agent may be required for your unique application.

For more detailed descriptions of each product as well as a Sealer & Release Agent Matrix, view our Sealer & Release Agent Selection Guide.

Click here to view release agent options for casting.

 

Product Sealer Release Agent Description
Pol-Ease® 2300 Release Agent  X Silicone-based, aerosol spray release agent for use on non-porous or sealed models. Should only be used with polyurethane rubber.
Pol-Ease® 2500 Release Agent X Aerosol spray release agent that can be washed off of models. Can be applied to models for use with liquid silicone rubbers, but is not recommended for use with liquid polyurethane rubber. 
Pol-Ease® 2350 Release Agent X X White petrolatum dissolved in mineral spirits. This semi-permanent option can serve as a sealer and/or release agent. Can be applied to models for use with liquid polyurethane and liquid silicone rubbers. 
Pol-Ease® 2450 Release Agent X Solvent and silicone-based release agent for use on models before pouring liquid polyurethane rubber. Fast drying, but flammable.
Poly PVA Solution X X Water-soluble, alcohol-based sealer for porous models. Available in clear or green. Can be applied to models for use with liquid polyurethane and liquid silicone rubber. Must use additional release agent (Pol-Ease 2300) when applying polyurethane rubber.
PolyCoat Sealer & Release Agent X X Semi-permanent, silicone-based sealer and release agent. Can be applied to models for use with polyurethane and platinum-cured silicone rubbers (not recommended for use with tin-cured silicone rubbers).