Non-alkali cloth made form aluminum boron silicate glass contains less than 0.8% of alkali metal oxide.
Non-alkali cloth made form aluminum boron silicate glass contains less than 0.8% of alkali metal oxide.
无碱布采用铝硼硅酸盐玻璃成份，其碱金属氧化物含量不大于0.8%。
Non-alkali cloth made form aluminum boron silicate glass contains less than 0.8% of alkali metal oxide.
无碱布采用铝硼硅酸盐玻璃成份，其碱金属氧化物含量不大于0.8%。