A clean, safe to use etchant, white powder, mix with water 1:5 ratio. Used hot, 60 degrees to 70 degrees celsius is not an acid, works by chemical reaction. Instruction on the label and in “AE” laminate instructions. 500gm net in a screw cap jar.
A clean, safe to use etchant, white powder, mix with water 1:5 ratio. Used hot, 60 degrees to 70 degrees celsius is not an acid, works by chemical reaction. Instruction on the label and in “AE” laminate instructions. 500gm net in a screw cap jar.