1,Copper tube:O.D. 1/4'',3/8'',1/2'',5/8'',3/4'',7/8'',1'',1.1/8'',1.1/4'',1.1/2''

2,Copper tube:thickness from 0.5mm to 1.5mm.

3,Length: 3 meters to 30 meters

4,Standard complied: GB/17791--1999,JISH3300,ASTM B743

5,Thickness of copper tube compatible any gases: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 absorption

9,Insulation pipe can be printed with letter.