1, The characteristics of qualified sacks. We all know that qualified sack is very important for its use, it has corrosion resistance, wear resistance, toughness, anti-aging, tensile resistance, good air permeability, long service cycle and so on. There is a neat width, good folding resistance.
2. Understand the fabric materials of the sack manufacturers. The density of the canvas fabric material used by the sack manufacturer is calculated in the metric system. The size of the density will directly affect the physical and mechanical indicators such as the appearance, feel, thickness, strength, folding resistance, air permeability, wear resistance and thermal insulation properties of the fabric. At the same time, it is also related to the cost of the product and the size of production efficiency.
The direct measurement method of material density of gunny bags is completed by using a cloth mirror or a fabric density analysis mirror. A long glass sheet is engraved with a red line. When analyzing the fabric density, move the lens, align the red line on the glass sheet and the red line on the scale at the same time between two yarns, and take this as a starting point. While moving the lens, count the number of yarns until the 5cm scale line is reached.
This method is applicable to the high density, sack material yarn special number of regular fabric organization. First, after analyzing the fabric structure and the number of tissue cycles, and then multiplying by the number of tissue cycles in 10cm, the product obtained is the warp density.
3. Flat wire process of gunny bags. It is an important method to affect the toughness of burlap woven bags, so burlap bag manufacturers need to pay attention to these links in production to improve toughness.