Natural corundum is a versatile natural abrasive that has applications in sandblasting water cutting, polishing, and sewage filtration. However, different industries have different names because of different habits. For example, in the sandblasting industry, it is called sandblasted garnet sand. In the waterjet cutting industry, it is called water-cut sand or water-jet sand. In the sewage filtration industry, it is high-density filter or heavy filter, but its essence is pomegranate. Sand is a natural mineral. No matter what, clean and dust-free is one of the standards for quality natural corundum. So how can I buy high quality natural corundum abrasives at the time of purchase?
Since the quality of the product depends on the production process on a large scale, it is necessary to consider its production process when selecting high-quality natural corundum.
1. Screening natural corundum is a kind of natural mineral. Only by adopting advanced production technology, it can meet the required quality standards after strict screening and magnetic separation washing and drying. For example, the screening step must be screened multiple times to ensure the concentration and scientific ratio of the particle size of the product.
2. Washing must be washed several times in the washing step to completely remove impurities from the water. Ensure the quality of natural corundum, and the indicators in each of them meet international standards. For example, as the chloride content of sandblasting, the chloride content of RZG natural corundum is less than 25ppm.
3. Magnetic separation Although the magnetic separation process will increase production costs, it is necessary to magnetically select natural corundum to ensure that the impurities in the product meet the prescribed standards. The impurities in many domestic manufacturers are too high, because the magnetic separation process is not enough. Like Rizhao Garnet Mining, there are few companies that perform three magnetic separations for all natural corundums.
4, drying is the drying process, when used as water knife sand, it must ensure the product is dry, otherwise it will easily cause the problem of sand blocking tube, so the drying process is also crucial. In order to reduce costs, some manufacturers simply dry or dry, and the quality of the products is difficult to guarantee. RZG garnet sand is dried 4 times before leaving the factory to ensure the dryness of the product.
When purchasing the silicon carbide, the technical considerations can be started from these aspects, but other conditions, such as packaging, manufacturer strength, after-sales, transportation, etc., also need to be considered.
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