05-09-2010, 10:48 AM
OK, Joe. This is what we're saying:
You can't pressurise the silicone as it's curing. This causes distortions in the rubber once the mould master is removed. The air isn't sucked out in the pressurising process, instead it's pushing the air into the rubber deeper to where it touches anything solid inside the liquid. Does this make more sense? This means that you will have a lot of air holes along the entire surface of your mould = RUINED!!!
Unfortunately, many people claim they've done this without a problem, which is a lie!!! There's no way to pressurise silicone, as this would push a lot of the material out of the mould box, and onto the sides. This too, will compound your problems. There's no way to control the liquid once under pressure. These compounds are formulated to be used one way only, and any deviation from it will be disasterous!! Does this answer your question more thoroughly? Don't give up - if there's a way to get around something, we'll try to help you find it. That's what we're all here for.
You can't pressurise the silicone as it's curing. This causes distortions in the rubber once the mould master is removed. The air isn't sucked out in the pressurising process, instead it's pushing the air into the rubber deeper to where it touches anything solid inside the liquid. Does this make more sense? This means that you will have a lot of air holes along the entire surface of your mould = RUINED!!!
Unfortunately, many people claim they've done this without a problem, which is a lie!!! There's no way to pressurise silicone, as this would push a lot of the material out of the mould box, and onto the sides. This too, will compound your problems. There's no way to control the liquid once under pressure. These compounds are formulated to be used one way only, and any deviation from it will be disasterous!! Does this answer your question more thoroughly? Don't give up - if there's a way to get around something, we'll try to help you find it. That's what we're all here for.
~ Cobra Chris