
Is it enough to just apply foam caulking to the gaps in the door frame?
Don’t do porcelain work without diamonds, sometimes it’s better The house was destroyed because the workers were not good at their craftsmanship. Recently, a fan asked me that I was installing a door …

Let’s talk about the pore opening agent in polyurethane foam
First of all, why do we use pore opening agents? PolyurethaneFoam glueforming bubblesThe process involves foaming and gelation reactions at the same time, especially MDI system foaming. Since the gela…

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…

Reasonable use of solid fillers in polyurethane formula design
Solid particles have a strong opening and breaking effect on the cell walls, which will cause cracking during the foaming process , sinking, collapse and other problems. Therefore, the amount of foam …
Application of color paste in polyurethane
Polyurethane has good dyeability. By adding dye or color paste (color paste), polyurethane products with the desired color can be manufactured, such as colored polyurethane soft foam/elastomer/synthet…
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…

Introduction to polyurethane materials used in soundproof walls
Polyurethane insulation material is A synthetic material with excellent properties, it has the advantages of high strength and low thermal conductivity. It is mainly used as thermal insulation materia…

Introduction to the key points that need to be controlled in the glue injection process of broken bridge aluminum profiles
Aluminum profile glue injection technology (hereinafter referred to as glue injection technology ) is a technology that produces polyurethane-injected heat-insulating aluminum profiles (hereinafter re…

Introduction to the application of foam caulking agents in building doors and windows
Foam caulkCommonly known as foaming agent,full name is single-componentpolyurethane foam caulking agent, which is a must in the door and window industry. Indispensable auxiliary products, in the past,…

Is it enough to just apply foam caulking to the gaps in the door frame?
Don’t do porcelain work without diamonds, sometimes it’s better The house was destroyed because the workers were not good at their craftsmanship. Recently, a fan asked me that I was installing a door …