91老司机精品视频在线观看,丝袜美腿av在线观看,95四川乱子伦视频国产,欧美亚洲一区二区三区色,91麻豆国产福利在线,国产好片在线播放免费观看,亚洲一区2区三区4区在线播放,精品一区二区三区有限公司,婷婷av成人综合网

Use and maintenance of polyurethane pouring machine

1, often used foam machine to ensure that there is no mechanical failure;

2, intermittent use of the foaming machine during the shutdown every 1-2 days to do 30 minutes of high and low pressure cycle;

3, long-term use of foam machine should be the material with DOP replacement out.

Polyurethane casting machine medium pressure machine and high pressure machine difference

The low pressure machine and the high pressure machine of polyurethane pouring machine are both used for splitting polyurethane. The low pressure machine relies on the high-speed rotating mixing of the stirring head of the motor and needs to be cleaned with MC or other solvents after use. The high pressure machine relies on the high pressure to atomize the two materials and mix them in the mixing chamber under high pressure.