Resumen de High purity quartz: a cut above
The industry standard for HPQ is defined by a product marketed as Iota, mined by Sibelco, a Unimin Corp. subsidiary, at Spruce Pine in North Carolina, US. Iota has set the high-purity benchmark for the rest of the HPQ market and contains 20 parts per million (ppm) of impurities as standard, equating to 99.998% SiO 2.
"Excluding the 2011 solar boom, which created a price bubble in some segments as demand exceeded supply, the market price for HPQ has been stable overall. However, external cost inflation (such as the cost of HF acid/fluorspar, which is a large component of total product cost) could justify an upward adjustment of HPQ prices in the future," the company said.
"Fluorspar used in the treatment of HPQ has seen some movement, however, and changes in the price of HF will impact HPQ," [Reiner Haus] conclud
