欧美日本一区二区视频在线观看

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河北匯成石英砂廠家

山西石英砂、噴砂除銹砂

噴砂除銹用的砂,要求顆粒堅硬、有棱角、干燥(含水量<2%)、無泥土及其他雜質;以石英砂為好,粗河砂也可;同時,應考慮砂料運輸條件,單價高低,回收能力等因素;砂料粒徑以0.5~1.5mm為宜,篩選前須曬干,存儲于棚內、室內,篩孔大小為:粗篩40~48孔/cm2(粒徑1.2mm)、細篩372~476孔/cm2(粒徑0.3mm)。
  除銹方案確定后,磨料可選河砂、石英砂或二者混合。在崗南水庫除險加固中,經預噴比較,將石英砂和河砂按1∶1摻和使用除銹效果最好。


作者:靈壽縣匯成石英砂廠 來源:石英砂廠家 日期:2020/3/14 10:22:55 人氣: 標簽:石英砂
欧美日本一区二区视频在线观看
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