DuPont always uses the least offensive ingredients in their products, but cautions people to be as safe as possible when using their products. With the carrier and slip sheets in place, the film is protected on both sides. RapidMask works differently than other films. When UV light passes through the clear areas of the artwork to expose RapidMask, these areas of your glass or substrate will be etched. The exposed areas of RapidMask are blasted away during sandcarving, while the unexposed areas remain to protect your substrate.
Good artwork is required for all photoresist materials.
In simple terms, the opaque or black areas of the artwork should be dense with no pinholes. The clear areas should allow UV light to easily pass through. Vellum will work, but be sure to use a laser printer and good quality material and be sure the above requirements are met. For best results, try our new AccuArt inkjet film . AccuArt is a clear film media that enables you to create a real film negative from a standard inkjet printer.