Economy Permanent Waterproof Ink Pen
A permanent water-proof pen containing ink which has etch resist properties
Circuits can be drawn on plain copper laminate and then etched in Ferric Chloride
Circuits can be drawn on plain copper laminate and then etched in Ferric Chloride
Blue Etch Resist Ink Pen
£ 3.51
Checking for live stock
Type:
Etch Resist Ink Pen
Colour:
Blue
