... materials with advanced technology processing which suitable for all kinds of mills such as micro-mill, attritor-mill, ... , Φ15, Φ20, Φ25, Φ30, Φ40, Φ50, Φ60 RollingΦ8.0, Φ10 Φ8.0, Φ10 and above specifications can ... 15*15 Φ20*20 *New molds are needed for making other non-standard grinding media Products Grade, ... water absorptionΦ3 Grinding media of under Φ3 by rolling Superior product≥ 6.0≤ 1 No cracking, ...