制备时将所述的原料焙干后按照重量配比混合，粉碎成粉末，过80目筛即可。
When in preparation, the raw materials after drying over a fire are mixed according to the mix ratio by weight, smashed into the powder and passed through the 80 mesh screen.
其制备步 骤包括将六环石破碎、粉碎、研磨成超细粉体，使其粒度大于1000目；
The preparation method adopts the following steps: hexacyclic stone is crushed and ground into ultra fine powder body with the grain size larger than 1000 meshes;
通过聚苯硫醚（ PPS）与大颗粒氧化镁（40~325目） 混合经双螺杆挤出机挤出造粒制备了导热绝缘塑料。
Thermal conductive insulating PPS plastics were made by extrusion compounding PPS with MgO particles of large particle sizeBF(40~325-mesh)BFQ.
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