1. Factors such as roller pressure, uniformity of oven fixing temperature, infrared pre-drying temperature, water content, mass concentration of anti-swimming agent and other factors will affect the color difference of continuous hot-melt dyeing of polyester ribbon.

2. The quality of the blank, the management of the machine and the formula of the dye also have an important influence on the control of color difference. In the heat-melt dyeing process of polyester tape, it is necessary to systematically control the consistency of the tape quality, timely maintain and repair the machine, and use dyes and additives reasonably to obtain a good dyeing effect.
Hand-held ropes are used for daily consumption of paper bags. With the continuous improvement of my country's environmental protection and management regulations and the enhancement of people's awareness of environmental protection, paper is used more and more widely, so that everyone can carry it with them. Dongguan Rope Factory will Take out one hand to hold the paper bag, and install the reel material is the hand, so what are the several ways to install the handle line?
1. Folding rope arm: The two ends of the rope are at right angles and fixed on a piece of cardboard (sticker) as a handle.
2. Knotting arm: the paper rope is directly cut to its own length, and the paper rope in the bag is directly punched to form a handle.
3. Punching arm: paper rope with multiple thin paper ropes side by side, usually how many strands of rope are used is called how many strands of rope, usually there are 6-15 strands of rope, each paper rope is the same size, with a diameter of 1mm-1, 8mm, made of thin kraft paper rope and glue.