1.Application: For the air condition.

2.Material: inner tube is made of SBR or NR; or SBR&NR blend; outer cover is made of SBR or NR; or SBR&NR blend

3.Structure: 1.Common type: Interior lining +Strengthen lining +Exterior lining.

                   2. Strength type (three lining and two weaving fiber): Add middle rubber lining and a weaving fiber base on the common type.

4.Color: black, red, blue, green, yellow, white, grey

5.Temperature: -25^oC-70^oC