... .3,Length: 3 meters to 30 meters4,Standard complied: ASTM B280,JIS H3300 C1220T,EN12735-1, AS 15715,Thickness of ... R22,R407C,R410A,R404A,R507C etc.6,PE insulation pipe:I.D.from Φ8 to Φ22.7,PE insulation ... pipe:thickness from 8mm to 10mm.8,Character:Anti-UV, ... good heat resistance,low water absorption9,Insulation pipe can be printed with letter. Insulated copper tube ...