Three things the glass artist needs to consider when sandblasting are the following. 1. The distance from the glass piece to the nozzle. 2. The type of abrasive as well as its size and lastly the air pressure to the nozzle.
A sandblasting setup for designing your glassware include the following. 1. A cabinet. 2. A source of compressed air. 3. A vacuum. 4. A nozzle with connected hose. 5. A storage container. 6. A source of sand. If you need to know how to build a sandblasting room well then your out of luck because I just don't know.
It is recommended that the head of the compressor be made of cast iron. Nozzle tips can be worn down so make sure your have a way of replacing them. The cabinet will have a window. Imagine that a window to see the glass work that your sandblasting. Inside the cabinet there will be a light if you need to know why refer to previous sentence. Rubber gloves, for holding your glass work.An automatic cut off switch. And lastly an access door.
The abrasive material used in sandblasting comes in grit sizes ranging from 60 to 400. Just like it is with sandpaper the higher the number, the smaller the grit size. The material used for sandblasting glass is either silica sand, alumina, or glass beads, or a mix of these.