A glass insulator material
A glass insulator, glass technology, applied in inorganic insulators, quartz/glass/glass enamel, metal oxides, etc., can solve the problems of difficulty in meeting the characteristics of high-voltage insulators, poor insulation performance of high-alkali glass, and low volume resistivity, etc. Achieve the effect of large-scale popularization and application, meeting characteristic requirements and high volume resistivity
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Embodiment 1
[0011] Using waste CRT screen glass as raw material, adjust the mass percentage of each component in the waste CRT screen glass to obtain 65﹪SiO 2 , 3.1﹪PbO, 2﹪Al 2 O 3 , 6﹪MgO, 12﹪Na 2 O, 8﹪K 2 O, 2﹪BaO, 0.4﹪Li 2 O, 1.5﹪SrO glass insulator material.
[0012] The volume resistivity of the glass insulator material prepared in Example 1 at 18°C =5.5×10 14 ,Volume resistivity at 90℃ =2.3×10 10 , The dielectric loss D=1.38% at 18℃, and the dielectric loss D=1.97% at 40℃.
Embodiment 2
[0014] Using waste CRT cone glass as raw material, adjust the mass percentage of each component in the waste CRT cone glass to obtain 72% SiO 2 , 4﹪PbO, 8﹪Al 2 O 3 , 2﹪MgO, 6﹪Na 2 O, 7﹪K 2 O, 0.5% BaO, 0.5% SrO glass insulator materials.
[0015] The volume resistivity of the glass insulator material prepared in Example 2 at 18°C =5.7×10 14 Ω·cm, volume resistivity at 90℃ =2.5×10 10 Ω·cm, dielectric loss D=1.35% at 18℃, and D=1.94% at 40℃.
Embodiment 3
[0017] Using waste CRT screen glass as raw material, adjust the mass percentage of each component in the waste CRT screen glass to obtain 69% SiO 2 , 0.05﹪PbO, 7.5﹪Al 2 O 3 , 6﹪MgO, 11﹪Na 2 O, 3﹪K 2 O, 1.8﹪BaO, 0.35﹪Li 2 O, 1.3% SrO glass insulator material.
[0018] The volume resistivity of the glass insulator material prepared in Example 3 at 18°C =5.45×10 14 Ω·cm, volume resistivity at 90℃ =2.37×10 10 Ω·cm, dielectric loss D=1.33% at 18℃, and D=1.92% at 40℃.
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