Mineral sample size
(1) Laboratory test The particle size of the ore sample is generally 50-0mm or 100-0mm. (2) The particle size of semi-industrial and industrial test ore samples shall be determined according to the requirements of the beneficiation method, process flow and test equipment. (3) The specimen size of the sample and the work index determined by rock ore identification shall be requested by the test unit.
PPGI/PPGL(prepainted galvanized steel /prepainted galvalume steel )is also known as pre-coated steel,color coated steel, coil coated steel, color coated steel,pre pianted steel sheet,The PPGI steel coil/sheet made of cold-rolled steel sheet and galvanized steel sheet, subjected to surface pretreatment (degreasing, cleaning, chemical conversion treatment), coated in a continuous manner, and baked and cooled to form a product. Coated steel has light weight, beautiful appearance and good anti-corrosion performance, and can be directly processed.
Prepainted Steel Sheet,Ppgi Steel Sheet,Colour Coated Gi Sheet,Ppgi Sheet,Color Coated Steel Coil Shandong Guanzhou Iron and Steel Group Co., Ltd , https://www.cnshansteel.com