The standard sieve is specially used by scientific research institutions such as laboratories and universities for particle size detection, particle size analysis, and impurity content analysis. Therefore, compared with ordinary vibrating screens, it has a small volume (commonly 100mm, 200mm, 300mm, and 400mm in diameter), and has wide applicability (powder, pulp, liquid, machine, food, medicine, pigment, geology, national defense, etc.) The scientific research industry is universal), the accuracy is accurate (following the national unified standards, ensuring the uniformity and accuracy of the experimental precision). The standard mesh size accuracy and opening method of the standard sieve can be customized according to customer requirements. Generally speaking, in industries such as Pharmacopoeia sieve, soil sieve, sand screen, etc., there are fixed numbers and different nets according to the established national standards. The complete set of standard sieve screens can also be purchased individually according to special requirements. The standard sieve precision can be accurate to 1500 mesh. The precision of the sieve is proportional to the standard sieve price, that is, the higher the fineness, the more expensive the price.
When it comes to the purchase of standard sieves, it is necessary to talk about the price of standard sieves. From time to time, when customers call to consult the standard sieve quotation, they say: "Your quotation is too expensive, others have a standard sieve price of only a few hundred pieces" and so on. Those who have a certain understanding of the current market economy law must For the hard truth of knowing the price of one point, then why is there such a significant price difference in the small sieve? Which factors affect the price of the standard sieve? Then the price of the standard sieve is for everyone. Detailed analysis.
The key to measuring the availability of standard sieves is precision. From a professional point of view, the quality of workmanship directly determines whether the accuracy of the standard sieve is up to standard, which further determines the price of the standard sieve. The standard sieve produced and sold by Jinhe Standard Screen Manufacturer is a double-layer punched frame standard sieve. The punching frame refers to the double thickness of the frame in order to increase the thickness of the sieve, and then press the double-layer frame together by machine. .
In contrast, the standard sieve price is not the standard sieve, but a single-layer manual sieve. This kind of sieve is not as strong and durable as the double-layer punch frame structure in the frame structure, and is easily deformed. Secondly, the single-layer hand-made standard sieve is not polished, and the work is generally rough, so that the back of the sieve is not smooth and not round. The weld is very rough with burrs. This not only handles the hand during use, but also makes it easy to clamp, making the difficulty of thorough cleaning and disinfection very high, and the risk of burying the pollutants, which is very deadly for the accuracy of the experimental results, so it seems The low price of standard sieves is not a good thing.
The material of Dahan Standard Screen is made of double-layer 304 stainless steel stretched and polished. The wall thickness is 0.6-0.7 mm. The surface can be used for identification. It can ensure reliable wear resistance, corrosion resistance, no magnetic, more durable, screen and The screen frame is fixed by soldering, and can withstand high temperatures of 300 degrees. In the long-term use and cleaning, scratches will not occur due to wear and tear, which will make it difficult to clean the materials, and will not pollute the materials. It can be said that the beauty, the degree of solidity, the corrosion resistance are perfect, the price of the standard sieve is also very reasonable, and the value for money is excellent.
The single-layer hand-screening, which is cheaper than the standard sieve, is usually made of galvanized (chrome) iron or stainless steel 201. The color is silver-white, the wear resistance and corrosion resistance are far less than that of 304 stainless steel, and the coating is for a long time. In use, it will fall off and cause the standard sieve to rust pollutants. In the market, the price of 201 stainless steel and 304 stainless steel is 1 times worse, let alone the price of galvanized (chromium) iron, which is an important factor that causes the price of standard sieve to be different.
The above is an analysis of the standard standard sieves price, I hope to help you!
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