It is in the glass massively the industry, may improve the glass product heat-resisting, the transparent performance. Flaky Boric AcidIt is in the glass massively the industry, may improve the glass product heat-resisting, the transparent performance, enhance the mechanical strength, reduces the dissolves melts the time. TestUnitTest ResultH3BO3%99Water insoluble%0.01Sulfate%0.3Fe%0.001Chloride%0 ...