JMF Standard Line Sets for HVACR Applications, with uinsulated liquid line and insulated suction line. The copper tubing is manufactured according to ASTM B280 and meets ASTM B1003 - standard specification for seamless copper tube for line sets. Meets ASTM E84 for smoke and fire (25/50) - UV resistant - R-410A and R-454B approved. The insulation is EZ-PULL® white polyethylene which is a flexible, polyethylene closed cell insulation with a polyethylene hard shell outer jacket designed to prevent tearing during installation. EZ-PULL® insulation is designed for insulating cooling and heating refrigerant lines and is marked every foot to assist with accurate refrigerant charge. For maximum longevity, insulation material must be either painted or jacketed where outdoor environmental exposure is present. 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 UL94 rated as ASTM E- 84 25/50 complaint as tested according to UL 723 for fire and smoke rating.