Caution tape for detection of hot surfaces

摘要

Warning tape for detecting hot surfaces which has a multi-layer structure contains a substrate layer (1) made of polyester foil with thickness from 20µm to 400µm, on which on the top there is a layer (2) with inscription in warning colours and with thickness from 5µm to 50µm, covered by a monochromatic thermochromic layer (3) with thickness from 10µm to 150µm, non-transparent in temperatures below 60°C. The thermochromic layer (3) is secured by a layer (4) of transparent polyester laminate with thickness from 5 to 300µm. On the bottom on the substrate layer (1) there is a self-adhesive layer (5) which has thickness from 10µm to 140µm, secured by an anti-adhesive foil or paper (6). In temperatures above 60°C the thermochromic layer (3) is transparent for the underneath layer (2) containing warning inscription.