Profile: Finishrink specializes in offering heat shrink tubing, heat guns and accessories. Our FiniTUBE C features flame retardant with a 2:1 shrinkage ratio, it is ideal for a wide range of electrical and mechanical applications. It is available in black, blue, brown, grey, red, yellow, white, green, orange and violet. FiniTUBE CX3 is flame retardant with an extra large 3:1 shrinkage ratio, ideal for fitting over irregular shapes or large components. Ultra thin wall heat shrink tubing is typically used with temperature sensitive components, high density wiring, connectors and electronic components. It is ideal for general electrical insulation, strain relief and mechanical protection and is widely used in the electronic and electrical industries.