Model Silica Specifications - CPWR | A world leader in ...
finalized these model silica specifications in 2014. The following silica specifications describe "best practices" that reflect state-of-the-art recommendations for protecting worker health. ... sand, gravel, stone, clay, or aggregate material containing silica.
Silica Sand Dryer - Sunco Machinery
Silica Sand Dryer is ideal suitable for drying the silica sand with high heat efficiency. As the moisture of silica sand is surface moisture, in order to increase the heat efficiency,we need to increase the contact area between the hot air and sand inside the silia sand dryer as much as possible.