Silicone molds making kit translucent liquid silicone rubber for mold making 1 1 mixing ratio fast curing molds making silicone for resin molds casting jewelry making diy crafts 21 16 oz.
Liquid rubber for concrete molds.
You can find it here holdens latex rubber.
Platinum silicone mold rubbers can be appealing because of their great release properties tin cured silicones should not be considered for concrete as they shrink over time and deteriorate with age.
This liquid latex rubber will not stick to metal clay ceramics plaster wood or modeling clay.
Here at polytek we often recommend the use of liquid polyurethane rubber to make molds for concrete casting e g concrete tiles panels statuary pavers bricks countertops edging etc.
Through decades of research and development polytek is able to offer one of the most comprehensive selections of flexible mold materials for concrete casting applications.
The brand i recommend is holdens.
Get it as soon as wed sep 30.
You can use the molds you make from mold builder to cast paper plaster candle wax soap concrete clear polyester resin or clear casting epoxy.
There are two main suppliers of urethane rubber for concrete molds.
4 5 out of 5 stars 92.
Smooth on and polytek both make polyurethane rubbers that come as two part liquids resin and hardener.
Liquid rubber is a great way to make durable perfectly smooth molds.
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The rubber is for making the actual mold form of your model.
Smooth rubber that picks up fine detail of the object.
The resin is what will add support to your rubber mold when it s poured with concrete.
Make your own concrete molds forms texture and stamping mats with polytek s wide selection of concrete mold making materials.
Can build it up in layers to desired thickness.
I recommend this one.
Mold builder molds are durable reusable and economical to make.
Concrete wood plastic etc.