Detectable blue Tape The Detectable-blues plaster/Tape range of Visually and Metal Detectable Blue Plasters. Being blue so that if in the rare chance you needed to find it in some food, it would easily be identifiable visually by its electric blue colour, but also detectable by metal detectors that some businesses have in their food or catering industry providing you with peace of mind. Several options of plasters to choose from for your food, kitchen or hospitality workplace.
