At the entrance of the oven, the exhaust air equipment discharges volatilized solvent in order to avoid exhaust gas participating in the second circulation and ensure safety.
烘箱入口处安装前置排风，可将初期挥发的溶剂排出，废气不参加二次循环，确保安全。
2
When selecting solvent attention should be paid to its solubility, steam pressure and volatility in addition to safety.
选择溶剂要注意溶解力、蒸汽压与挥发度，使用中要注意安全。
3
This printing ink cleaner selected a new solvent. It was proved that the cleaner has high efficiency, safety and light smell.