What is polyurethane spraying and what are its advantages and disadvantages
1. What is polyurethane spraying? Polyurethane spraying uses isocyanate and polyether as the main raw materials. It is a high molecular polymer that is foamed on-site through high-pressure spraying un…
What is the price of broken bridge aluminum doors and windows related to?
Broken bridge aluminum doors and windows are today’s 蕞One of the most popular profiles, both performance and price have aroused the curiosity of most home decoration people, especially the pri…
What is the difference between national standard and non-national standard broken bridge aluminum?
Broken bridge aluminum is a commonly used aluminum product in the decoration industry. Broken bridge aluminum can be divided into national standards and non-national standards. National standard broke…
What to do after applying foam caulking to the frame when installing windows
At this stage, the installation of windows in the building, Basically, the window frame is fixed and then filled with foam glue to complete the installation. Therefore, applying foam glue is an essent…
What is broken bridge aluminum and its function introduction
With the times With the development, housing prices are becoming more and more expensive, so many people will choose to buy a small house. Although the apartment is small, if the balcony is enclosed, …
What is the price of broken bridge aluminum doors and windows related to?
Broken bridge aluminum doors and windows are today’s 蕞One of the most popular profiles, both performance and price have aroused the curiosity of most home decoration people, especially the pri…
What are the functions of broken bridge aluminum doors and windows?
Have you ever heard of broken bridge aluminum doors and windows? Many people may not know about broken bridge aluminum, but everyone is familiar with aluminum doors and windows. So what is the differe…
What are the functions of silicone oil in polyurethane foaming?
<font face= "Microsoft Yahei" Silicone oil is a foam stabilizer. Foam stabilizers are a type of surfactant whose main function is to control the cell structure and uniformity. The specifi…
What is the most important thing in the polyurethane foaming process?
In the foaming process of polyurethane foam, the most important are the gel reaction (reaction between hydroxyl groups and isocyanate) and foaming reaction (reaction between isocyanate and water) A go…
What is the process of polyurethane foaming?
Place polyether or polyester polyol (white material) and polyisocyanate (black material), water, catalyst, surface Raw materials such as active agents, foaming agents, and other additives are added in…
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