Sodium-based bentonite powder: 1. In the mechanical casting industry, it can be used as casting sand and binder, which can overcome the “sand inclusion” and “peeling” phenomena of castings, reduce the scrap rate of castings, and ensure the accuracy and finish of castings. 2. In the paper industry, it is used as a filling of paper to enhance the brightness of paper. 3. Using the strong adhesion performance of this product, it is used for the production of white latex, floor glue, paste, etc. 4. Because of its stable suspension and thickening, it can effectively support and disperse powder, and can be used as a thickening and anti-precipitation additive for water-based coatings. 5. At the same time, using its excellent dispersion and expansion, high pulping rate, low water loss, colloidal properties and shear dilution ability, it can be used as sodium soil for drilling mud.
Calcium-based bentonite is mainly used as a binder in casting molding sand and thermal insulation materials; radioactive waste absorbents; Pesticides as carriers or thinners, insecticides; Drilling mud flushing fluid. Characteristics of calcium-based bentonite: 1. Improve wet compressive strength, hot and humid tensile strength and crushing index. 2. Reduce the moisture of molding sand and reduce the casting defects caused by excessive moisture. 3. Improve the air permeability of wet molding sand, low gas generation, and prevent porosity in castings. 4. It has good toughness, plasticity and wettability of the sand surface, so that the casting surface is dense and smooth, the overall mold strength is uniform, and the mold starting performance is good. 7. Increase the fluidity of molding sand, which can shorten the sand mixing time and improve the equipment utilization rate. 8. Good collapsibility, easy to clean sand, short shot blasting time, improve shot blasting efficiency. 9. Improve the dry strength and hot and wet tensile strength in the early stage of wet pouring, reduce casting defects such as sandwashing, sand inclusion, sand hole, pores, etc., improve the surface finish of castings, improve the yield rate, and have better direct economic benefits and comprehensive economic benefits.
Post time: Feb-18-2023