快三怎么玩大小单双稳赚-快三怎么推算和值大小单双-玩快三大小单双稳赚技巧

7*24Hours for you

15967710202/0577-66081118

company newsCurrent Pocation:homecompany news

Polyurethane foaming machine foam problems often appear

Polyurethane foaming machine has a wide range of applications in many fields, so in the foaming process, rigid polyurethane foaming machine often appear what problems?


快三怎么玩大小单双稳赚-快三怎么推算和值大小单双-玩快三大小单双稳赚技巧I. collapse of rigid polyurethane foaming machine, which mainly has four reasons:

1. Leakage or failure, tin catalyst can increase the material.

快三怎么玩大小单双稳赚-快三怎么推算和值大小单双-玩快三大小单双稳赚技巧2. Large acid value of raw materials.

3. The rate of foaming gas production reduces the amount of amine catalyst materials that can be solved.

4. Failure of composite stabilizer or addition of alkaline catalyst.


II. It is found that rigid polyurethane foam will be thick, which is caused by:

快三怎么玩大小单双稳赚-快三怎么推算和值大小单双-玩快三大小单双稳赚技巧1. Compound stabilizer, leakage or failure.

2. Foaming agent or polyether in too much water.

快三怎么玩大小单双稳赚-快三怎么推算和值大小单双-玩快三大小单双稳赚技巧3. The mixture is not evenly mixed.

4. Low purity of materials, high flow rate ratio of total chlorine and acid.

快三怎么玩大小单双稳赚-快三怎么推算和值大小单双-玩快三大小单双稳赚技巧5. Gel speed.

  


III. During the foaming process of polyurethane spraying machine, a series of problems such as foam shrinkage, crisp, too soft, heartburn, cracking, smoking, falling off, caving, thick foam hole, kneeching into a fine powder, slow foaming at the beginning of reaction, slow inspiration, etc. When the above situation happens, workers should not panic, take the right medicine and find out the cause of the problem.


王中王最快开奖王中王-王中王马王中王资料大全-王中王资料大全枓大全特 加拿大28百分百中算法-pc加拿大28在线预测网站-加拿大28开奖结果 宝马论坛130222-宝马论坛118论坛-133222宝马论坛爆富六肖 金多宝论坛四肖八码王-金多宝高手论坛www |995澳门论坛六肖六码开奖|995澳门论坛六肖六码生肖板 133222宝马论坛爆富六肖-宝马论坛130222-宝马论坛118论坛