所采用的石英结晶二氧化硅含量高达并在制造过程中去杂提纯，不含任何能导致辐射的重金属成分。
Quartz crystal silica content by up to 99.9%, and in the manufacturing process to the complex purification, does not contain any can cause radiation metal components.
此外，高火山灰性(凝硬性)灰可以通过控制燃烧来产生，此时，二氧化硅保持在非结晶形式和蜂窝状结构。
In addition, highly pozzolanic ash can be produced by means of controlled combustion, when silica is kept in non-crystalline form and cellular structure.
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