Bubbles that show up on the working surface of a cured rubber mold can ruin detail and result in a mold that is unusable. Bubbles can come from different sources and there are different variables (most controllable) that will affect the size and quantity of bubbles generated. Urethane Rubber Mold FAQ: I made a mold

To release silicone rubber from silicone rubber, use a release agent that does not contain a significant amount of silicone oil.  we provide especially for releasing silicone rubber from silicone rubber and other surfaces. It goes on as a light mist coating and will not interfere with surface detail. Option: you can also use petroleum

The Technical Answer; There are different Shore Hardness scales for measuring the hardness of different materials. These scales were invented so that people can discuss these materials and have a common point of reference. The Shore A00 Scale measures rubbers and gels that are very soft.The Shore A Hardness Scale measures the hardness of flexible mold rubbers that range

The shelf life of a material in its liquid state refers to how long it can sit on a shelf before it begins to lose its ability to function normally or sets up entirely in the container. You should know how long you can expect a material to last on the shelf to protect your

This is called “cure inhibition” Cure inhibition occurs when a surface contaminate prevents a material from curing as expected. Experiencing Inhibition When Making A Mold – When making a mold, cure inhibition occurs when contaminants on a model surface prevent the liquid mold rubber from properly curing. While the cured rubber mold may look fine,

5 Steps to Make a Perfect Silicone Mold – Platinum-cure silicone 1, Stir both Part A and Part B well before use. 2, Mix ratio A:B= 1:1 by weight. Weigh the desire amount of base into a clean mixing container. Weight the proper amount of catalyst into the container. Mix the base and catalyst together