CopperEZ-PULL white polyethylene hard shell insulation is a flexible polyethylene closed cell insulation with a polyethylene hard shell outer jacket designed to prevent tearing. EZ-PULL insulation is designed for insulating cooling and heating refrigerant lines and is marked every foot to assist with accurate refrigerant charge. The insulation is produced in compliance with specification ASTM E96-00. The service temperature range is in compliance with ASTM C 1427-07. EZ-PULL insulation has a thermal conductivity K value of .25 at the mean temperature of 75� F in accordance with test method ASTM C 177. EZ-PULL insulation is weather and ultraviolet resistant and is paintable. EZ-PULL insulation is UL94 rated as ASTM E- 84 25/50 complaint as tested according to UL 723 for fire and smoke rating. EZ-PULL insulation is available in � and �: wall thicknesses.