din abrasion tester is to test the friction of surface by a particular piece of sandpaper.After friction for a certain time, tum pendere ex conditione materiae Superficiem, pondus, et crassitudine volumine, a vexillum aestimare natura materiae abrasive. Technical parametri: Model CE din abrasion tester DIN Rubber Abrasion Resistance Testing Machine Specimen Load 10N± 0.2N …