Quartz stone is an important variety of artificial stone, quartz slab it inherits the hard texture of natural granite, corrosion resistance, wear resistance and natural marble design, high grade advantages, widely used in the field of interior decoration, mainly in the kitchen, bathroom, windowsill, restaurant and other countertops.
Quality requirements of quartz sand for quartz stone plates
As a filler for artificial quartz stone, first of all, engineered stone benchtops its water content can not be too high, otherwise it will affect the curing of the resin, and the surface of the product will be sticky after curing, the back kraft paper will be wet, and the mold surface will have water vapor. If the plate product is not cured well, it will be one of the reasons for cracking during the post-treatment process. Secondly, coarse and fine particles should be used together. In general, the smaller the mesh number of fillers (that is, the larger the particles), the smaller the specific surface area of the particles, and the less the resin content. On the contrary, the greater the consumption of resin. The specific use can be determined according to the customer's different plate models and specifications.
In addition to this problem, the permeability, whiteness, and grade of quartz sand have a very important impact on the quality of quartz stone plates.
Effect of quartz sand permeability on quartz SLATE
According to the different permeability and whiteness of quartz sand, engineered stone supplier quartz sand can be divided into permeable sand, semi-permeable sand and porcelain white sand. According to the situation of variegated particles, permeable sand can be divided into high purity permeable sand and ordinary permeable sand. Completely pure and transparent (no opaque particles at all) and no impurities, called high purity sand through, very rare and expensive; The transparent sand with mottled particles, yellow color and partial particles not completely transparent is called ordinary transparent sand, and the price is general. The permeability of semi-permeable sand is between permeable and impermeable. The price is moderate, pure white porcelain without any transparent particles white sand is also rare, more expensive. Through the sand, the whole body is crystal clear, pure and free of impurities, like glass; Semi-permeable sand is partly transparent and partly opaque. Porcelain white sand is completely opaque and completely dark, in which part of the light can enter the edge of the ivory and pulse white particles, but can not completely penetrate the light.
Black, gray quartz products need to use sand, so that the light can be completely through, so that the black, gray background color can be shown; If there are opaque particles, it will block the black, gray background color and appear white or other colors.
High-end imitation natural stone quartz stone products need to use permeable sand to reflect the texture. The more it penetrates the surface, the closer it is to the texture effect of natural stone: the pattern faintly penetrates from the blank and gradually disappears, showing a high-end texture and layering; Instead of the low-end texture effect floating on the surface. The international popular "fish belly white" can show a high-end texture, with a sense of sand.
The influence of quartz sand whiteness on quartz stone plate
Different mineral sources, different processing technology of quartz sand whiteness difference is large, some high whiteness, some light yellow. The whiteness affects the grade of quartz plate, the higher the whiteness, the higher the grade of quartz plate, the more yellow the quartz plate, the lower the grade of quartz plate. Fluctuations in different batches of quartz sand can also affect the appearance quality of the sheet.
The influence of quartz sand grade on quartz stone plate
The grade of quartz sand depends on the content of impurities in the quartz sand and the color of the quartz sand itself. Therefore, we divide different levels of quartz sand into fine sand, one sand, three sand and so on.
Fine sand is refined quartz sand, requiring very high quality, to be completely pure and free of impurities, the color is very white. Most of the refined sand is pickled, and a small amount of very pure raw ore can be broken directly into refined sand. a sand is a little more than fine sand, but the impurities are less, the color is white, and the requirements are high.
With the reduction of the grade of quartz sand, the impurity study gradually began to increase, and the color of the sand gradually deteriorated. In fact, the market is more commonly used fine sand, A sand, sand, select a quartz, B sand, C sand, etc., are most of our country's information transparent and quartz + a small part of semi-transparent, opaque quartz associated. In addition, there are relatively few reserves of quartz raw ore of high ethical quality, so we must constantly upgrade the grade of professional quartz sand.
In order to make high-quality quartz stone plates, we must first use high-quality quartz sand raw materials, select appropriate whiteness and permeability of quartz sand, high-quality quartz ore + advanced mineral processing, washing, flotation, magnetic separation, color separation, pickling and other iron and impurity removal technical means to make high-quality quartz sand. First of all, to choose a good source of ore, and then quartz ore washing, beneficiation and grinding treatment, remove impurities, and then crushing or ball milling, screening, to get a certain number of particles or powder, should also pay attention to mineral processing, washing, flotation, magnetic separation, color separation, pickling and other iron removal impurity removal technology.
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