glass defects due to silica sand clay
Melting and Fining processes in industrial glass furnaces IMI-NFG .IMI-NFG Course on Processing of Glass - Lecture 2: Industrial glass melting and fining processes . difficult to dissolve, like quartz sand or feldspar/china clay particles. ✓ The melt phases ... Faster batch heating due to better heat transfer. Soda lime ... fining range, and thus to defects (bubbles, seeds) in the final product.glass defects due to silica sand clay,Processing Glass Grade Sand from Dune Sand - Minerals Research .in batch and pilot plant to obtain parameters for reliable glass sand production from local .. clear, crystalline, subangular quartz sand with low clay and gravel content. The principal . do, cause serious quality problems , and adversely affect production operations . For these ... glass defect (stone, cord, etc. ) when its initial.