pangaloan 2020

Production Process Engineering Door: Material Preparation: Bare core as the core material sorted by size; Material cross bands, namely sheets of veneer that coats bare core, taken from the product veneer core. Materials, whose size is too wide / long, cut...

Chemical for Mining Industrial : Aluminum Sulphate: Properties it is white or gray flake, particle or massive crystallization. Apt to cake after moisture absorption when laid in air for a long time. A little green because of Fe2+, yellow when Fe2+ isox...