1.LOW THERMAL CONDUCTIVITY 2.UL94 BS 476 ASTM E84 APPROVED 3.EXCELLENT FIRE PERFORMANCE ... mm)1/4",3/8",1/2",3/4",1",1-1/4",1-1/2",2"(6,9,13,19,25,32 ... ID to 168)lengthft(m)6',6.82'(1.83,2)About the Thermal Insulation Tube inner size ≥89mm, we ... product is largelyused on the water and refrigerant tubing of air conditioning system fro cool presercvation and heat preservation,which has obtiained ideal ...