双盘单速金相试样预磨机m - 2是一种湿式磨光机，它利用不同粒度的金相砂纸，对各种金属及合金的试样进行磨光。
Double disc single speed metallographic sample pre mill M-2 is a wet grinder, it USES the different size of the metallographic sandpaper, on a variety of metal and alloy samples.
碳化硅涂层砂纸，具有极好的柔软性、耐水、耐酸、碱及各种溶剂，主要用于家具、木材、汽车、船体、机床腻子的打磨，精密仪器的抛光。
High quality, anti-clogging, good softness, water-resistance, acid-resistance. For polishing and finishing of ship, car, machine putty and finishing precision instrument.
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