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铸造玄武岩有下述特点:(1)质地坚硬;(2)有较强的抗腐蚀性;(3)易于切削造形;(4)可耐310℃温度。目前美国玄武岩铸件最薄为19
Casting basalt has the following characteristics: (1) hard texture; (2) strong corrosion resistance; (3) easy cutting shape; (4) 310 ° C temperature resistant. At present, the thinnest basalt castings in the United States are 19