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boric acid can improve the heat-resistant, transparent glass performance, improve the mechanical strength, shorten the time of melt. Below small make up to introduce the boric acid under four steps for inspection. 1, inspection personnel including warehousing, lab technicians, and mixing station monitor, under normal circumstances the acceptance time is 1. About 5 hours. 2, after the vehicle into the factory, inspectors to climb to the car roof, check the top surface of the bag material, after the vehicle into the factory, inspectors to climb to the car roof, check the top surface of the bag material car is expected to top bag agglomerate. 3, if there was an obvious agglomerate of boric acid in the bag bag for no more than 10% of the surface to the total number of bags, is used. 4, the incoming inspection. Check storage on agglomeration in the process of unloading situation.
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