乱小说欧美综合_无码啪啪视频_荫蒂被男人添A片视频_亚洲最新国产美女在线观看_公天天吃我奶躁我的b_国产精品久久久夂精品三级_精品人妻系列一区_免费A级毛片18禁网站APP_亚洲男人在线播放_超碰在线一二亚洲无码aav

Polyurethane casting machinecare and use

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

Polyurethane pouring machine low pressure machine and high pressure machine are used for double foot polyurethane, low pressure machine depends on motor stirring head high-speed rotation mixing, use MC or other solvent cleaning after use, high pressure machine depends on high pressure to atomize two materials in the mixing room high pressure mixing, use no cleaning.