Polyurethane foaming machine is the black material (isocyanate, also called crudeMDI) and white material (combined polyether) are fully mixed according to a certain ratio (the conventional ratio is 1:1) Combine the output, the two raw materials after the output react chemically, start to expand and

Precautions and equipment requirements for spraying polyurethane rigid foam in cold storage

The cold spray polyurea and spray gun were shipped to France on August 3, 2020

During the polyurethane foaming process, the foam has shrinkage, crispness, too soft, heartburn, cracking, smoke and other problems. How to analyze the causes.During the polyurethane foaming process, affected by the construction conditions, foaming equipment, construction technology and ambient temp

As an excellent benchmark in the machinery industry of Made-in-China, on the afternoon of August 25th, Mike Jiang, the head of Shandong Hitop Group, led international trade managers May zhou and Amy Bu to visit the headquarters of Made-in-China.The visiting group first listened to a special report f