News and useful information about Strobel Quarzsand
NEW!: FILTER SANDS acc. to DIN EN 12904
Our filter sands are wet mechanical processed raw materials. These are washed in several steps and classified by wet mechanical methods. After fire drying the sand are refined into high-quality filter sands with several steps of screening, magnetic separators and air classifier. The filter sands are free of organic impurities and pH-neutral. They comply with the requirements of DIN EN 12904. The sands are particularly suitable for water treatment.