CMD552618 Temperature Sensitive Label, 40°C to 88°C, 4 Levels. Temperature sensitive labels, ideal for use in the food, automotive, moulding and metal working industries. The labels have been designed as a temperature test strip that will make a permanent and irreversible record of the highest temperature bracket reached when applied to the surface of an object by changing colour. These heat-sensitive RS PRO temperature indication labels are a high quality and cost-effective solution that measures surface temperature accurately and provides reliable proof that the item or product has been maintained at the correct temperature and is suitable for use across a wide variety of applications.