Fax Copy Safe Florescent Colour Marking Inks is suitable for appropriate Polypropylene parts and the nib and filters need to be checked for suitability. Smoothline Industries is the manufacturer of Fax Copy Safe Florescent Colour Marking Inks. Smoothline Industries also manufactures diverse types of ballpoint pen inks, permanent marking inks, laundry marking inks, X- ray marking inks, UV visible marking inks, printer ribbon ink, ink -jet inks, bindi pen inks, white board marker ink, gel pen inks etc. Fax Copy Safe Florescent Colour Marking Inks is available with special coating additive which helps to brighten up and highlight the marked text, without disturbing the text matter -smudging etc on dye based as well as pigmented Inkjet printouts.