With the development of the optical fiber network communication

optical fiber cable is gradually replace coaxial cable. In place of the fiber optic cable construction need

fiber optic cable. Loose tube need to use color logo. Loose tube production as the key part of fiber optic cable production processes

by adding color master batch to change color. PBT

and the proportion of the color master batch affect measuring pressure resistance value and fiber of excess length.This paper focused on the different proportion of color master batch to add on the measurement of the pine casing pressure value and fiber of excess length

put forward personal opinions for casing production process

for pine casing production process control to provide some reference.