The results showed that the maximum values of the bending strength and microhardness of borosilicate glass were achieved when W(subscript KOH)/W(subscript KNO3) ratio was 0.5 in the molten KNO3 salts.

• 研究结果表明：KNO3熔盐中的W(下标KOH)/W(下标KNO3)为0.；5时，硼硅酸盐玻璃的抗折强度和显微硬度都取得了最大值。