High borosilicate fireproof tempered glass and tempering method thereof
A technology of tempered glass and high borosilicate, applied in chemical instruments and methods, cleaning methods and utensils, cleaning methods using liquids, etc. Performance, the effect of excellent tempering strength
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Embodiment 1
[0027] A tempering method of high borosilicate fireproof tempered glass, carried out according to the following steps:
[0028] (1) Cut the original high borosilicate 4.0 glass sheet into a glass sheet with a thickness of 1mm and a size of 60mm×35mm, then polish and polish the upper and lower surfaces of the glass sheet, and ultrasonically clean it with deionized water;
[0029](2) Add K at a concentration of 0.1mol / L to the glass slide after ultrasonic cleaning 2 Cr 2 o 7 solution, seal and heat to 70°C, keep warm for 3 hours, then filter out the glass sheet and wash it with high-purity water;
[0030] (3) in K 2 Cr 2 o 7 Add KMnO with a concentration of 2mol / L to the hydrothermally treated glass flakes 4 solution, seal and heat to 70°C, keep warm for 3 hours, then filter out the glass sheet and wash it with high-purity water;
[0031] (4) in KMnO 4 Add high-purity water to the hydrothermally treated glass sheet, seal and heat to 100°C, keep warm for 0.5h, then filter...
Embodiment 2
[0035] A tempering method of high borosilicate fireproof tempered glass, carried out according to the following steps:
[0036] (1) Cut the original high borosilicate 4.0 glass sheet into a glass sheet with a thickness of 1mm and a size of 60mm×35mm, then polish and polish the upper and lower surfaces of the glass sheet, and ultrasonically clean it with deionized water;
[0037] (2) Add K with a concentration of 2mol / L to the glass slide after ultrasonic cleaning 2 Cr 2 o 7 solution, seal and heat to 100°C, keep warm for 2 hours, then filter out the glass piece and wash it with high-purity water;
[0038] (3) in K 2 Cr 2 o 7 Add KMnO with a concentration of 4mol / L to the hydrothermally treated glass flakes 4 solution, seal and heat to 100°C, keep warm for 2 hours, then filter out the glass piece and wash it with high-purity water;
[0039] (4) in KMnO 4 Add high-purity water to the hydrothermally treated glass sheet, seal and heat to 100°C, keep warm for 0.5h, then fil...
Embodiment 3
[0043] A tempering method of high borosilicate fireproof tempered glass, carried out according to the following steps:
[0044] (1) Cut the original high borosilicate 4.0 glass sheet into a glass sheet with a thickness of 1mm and a size of 60mm×35mm, then polish and polish the upper and lower surfaces of the glass sheet, and ultrasonically clean it with deionized water;
[0045] (2) Add K at a concentration of 1mol / L to the glass slide after ultrasonic cleaning 2 Cr 2 o 7 solution, seal and heat to 80°C, keep warm for 2.5h, then filter out the glass piece and wash it with high-purity water;
[0046] (3) in K 2 Cr 2 o 7 Add KMnO with a concentration of 3mol / L to the hydrothermally treated glass flakes 4 solution, seal and heat to 90°C, keep warm for 2.5h, then filter out the glass piece and wash it with high-purity water;
[0047] (4) in KMnO 4 Add high-purity water to the hydrothermally treated glass sheet, seal and heat to 100°C, keep warm for 0.5h, then filter out th...
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