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油漆厂封闭砂磨工序生产环境及治理效果评价天津市化工局劳动卫生研究所俞肇文苏广志天津某油漆厂喷漆车间出口油漆组封闭砂磨工序，工艺通常是将颜料用小部分漆料混合、研磨达到细度要求后，再将其余漆料、催干剂、溶剂等加入制成成品。溶剂一般选择溶解力强、蒸发速度适中的
Paint factory closed sanding process production environment and evaluation of the effect of Tianjin Institute of Labor Hygiene Yu Zhaowen Su Guangzhi paint factory in Tianjin a paint shop export paint group closed sanding process, the process is usually a small part of paint with a mixture of paint, grinding to achieve Fineness requirements, and then the rest of paint, driers, solvents, etc. into the finished product. Solvent generally choose strong solvency, evaporation rate moderate