DS/EN IEC 60684-3-216:2019

This sheet of IEC 60684-3 gives the requirements for four types of heat-shrinkable, flame retarded, limited-fire-hazard sleeving with a thermal endurance rating of 105 °C as shown below: Class A: thin wall shrink ratio 2:1 internal diameter up to 102,0 mm Class B: medium wall shrink ratio 2:1 internal diameter up to 60,0 mm Class C: thick wall shrink ratio 2:1 internal diameter up to 51,0 mm Class D: medium wall shrink ratio 3:1 internal diameter up to 40,0 mm These sleevings are normally supplied in the following colours: black, red, green, blue, white, yellow and green/yellow.