Analysis on Influencing Factors of greenhouse glass price
Greenhouse diffuse scattering glass (i.e. diffuse reflection glass) is the fifth generation profile of glass greenhouse. From thin-film greenhouse to today's diffuse scattering glass, it has made great progress in both technology and raw materials. The price of greenhouse scattering glass fluctuates in 2021. What's the reason? Let's learn about greenhouse scattering glass with you.
Compared with ordinary float glass, diffuse glass has better light transmittance, up to 97.5% and 91.5% of the standard. It plays an increasing role in red, blue and purple light. Under the same area, compared with the greenhouse covered with ordinary glass, the average yield increase benefit per mu is about 20%, and the growth cycle is shortened by about 7 days; Moreover, long-term red, purple and infrared light irradiation of greenhouse fruits and vegetables can increase the content of micronutrients in fruits and vegetables. For example, the content of soluble sugar in Cucumber Greenhouse increased by 3.6% and the content of total anti blood acid increased by 67.62%. The fruits and vegetables planted in diffuse glass greenhouse have made a qualitative leap in both yield and quality; This is one of the reasons why diffuse scattering glass is expensive;
The raw materials of ordinary glass and diffuse scattering glass are different. Let's take a brief look at the comparison of raw materials:
We can simply take a look at the content of Fe2O3. The higher the content of Fe2O3 represents the color of the glass. The green color of ordinary glass should be the content of Fe ions, which leads to the reduction of transparency. The transmittance of ordinary float glass is only 88% - 89%, while the transmittance standard of ultra white scattering glass produced by fine quartz sand with lower iron content is 91.5%.
The scale of each factory is different, the processing methods of quartz raw materials are different, and the cost is different:
Physical method:
Water washing and graded desliming, Sassafras washing, magnetic separation and gravity separation
Chemical method:
Flotation method, acid leaching method
Finally, microbial method:
Each method represents different processing costs, in which the amount of knowledge is huge. What we need to determine when purchasing is the test report of glass transmittance, and the glass used in the greenhouse can meet the lighting needs of our greenhouse;
The fluctuation of greenhouse glass price also has a certain relationship with the market. 2020 to 2021 is a good example. It is suggested that customers with demand can find some fixed manufacturers to not only realize the fluctuation of glass price at the first time, but also stabilize the price through the factory;
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