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HDPE three color optical cable sub tube
1、 Introduction to sub pipe
The three-color optical cable sub tube is made of high-density and low-density polyethylene as the main raw material
It has small diameter, soft and durable, bendability, good tensile strength, acid and alkali resistance, aging resistance and impact resistance
It is rich in color, beautiful and generous, and can fully meet the diversified needs of users

2、 Sub pipe specification

nominal outer diameter	outside Diameter (error)	wall Thickness (error)	minimum inner diameter
32/28	32(+0 3)	2 4(+0 5)	26 2
30/26	30(+0 3)	1 8(+0 2)	26
28/24	28(+0 3)	1 8(+0 2)	24

III
characteristics of sub tube
• The optical cable sub tube has the advantages of light weight, high strength, impact resistance, corrosion resistance and low price;
• The optical cable sub pipe has smooth pipe wall, small friction coefficient, easy cable threading and high construction period efficiency;
• The optical cable sub pipe has good electrical insulation performance, long service life (the service life of buried pipe is 50 years), durable, and safe and reliable line operation;
• The optical cable sub pipe can be in the form of coil, with long pipe section, few joints and simple installation;
• The optical cable sub pipe can be made into various colors to distinguish