During the processing of ore-ton bags, product materials need to be prepared, and mixing is an indispensable link. When mixing new and old raw materials, attention should be paid to the uniformity of the mixing, and raw materials with similar melt indexes should be selected as much as possible for blending. If the melt index of the raw materials differs too much, the melting temperature will differ greatly. During the plasticizing and extrusion process, the plasticization cannot be uniform at the same time, which will seriously affect the drawing and cause the quality of the flat yarn to decrease. At the same time, the broken wire rate and scrap rate will be high, and even production will be impossible. During the mixing process, pay attention to the drying time and temperature of the raw materials.
When using ton bags, it is necessary to perform a pressure test on the ton bags. This will ensure that the quality of the ton bags is qualified and the performance meets the requirements. This will bring convenience to future use and ensure the integrity of the goods during use. Reduce the loss of goods.
Methods for pressure testing ton bags
1. Drop test
Lift the fully loaded ton bag with lifting equipment. The bottom of the bag should be more than 0.8m above the ground, and then drop it vertically to the hard and flat ground. If the contents do not overflow and the body of the ton bag is not damaged, it means that it has passed this test. test.
2. Stress testing
Place the fully loaded ton bag on the press for a pressure test. The pressure applied by the press is four times the full weight of the ton bag, or the static load method is used, that is, the self-weight of the four layers of fully loaded bags. The pressurization time is eight hours. As mentioned above, if the contents do not spill out and the bag body is not damaged during this test, it means that the ton bag has passed this test.
3. Static load test
The self-weight of the four-layer fully loaded bag requires a pressurization time of more than eight hours. If the contents do not overflow and the bag body is not damaged, it means that the ton bag has passed this test.
Ton bags are mainly a name for container bags. With the rapid development of the transportation and logistics industries, ton bags have been widely welcomed by people.