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 safety ventilation effect of broken bridge aluminum?
The inward opening of broken bridge aluminum doors and windows depends on the hardware accessories. The handle is downward90 degrees to close, and 45 degrees to the left or right. It opens flat, and t…
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 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 excellent properties of modified polyurethane rigid foam?
Modified polyurethane rigid foam is made of Materials A and B are gelled by mixing and react from liquid to solid. Polyurethane rigid foam is a high-molecular thermosetting polymer and an excellent th…
Is polyurethane potting glue easy to use? What are the characteristics?
Used polyurethanePotting glue, but don’t know enough about it? It is reported that this is an adhesive composed of polyurethane rubber and prepolymer, which can be cured at normal temperature and heat…
What Calcium Lignosulfonate Does – Learn About Uses and Benefits
Calcium lignosulfonate: an all-round assistant for agriculture, aquaculture and ore flotation As a multifunctional chemical, calcium lignosulfonate plays an important role in different fields. Whether…
What is rosin acid? Tell you the advantages and applications
［Molecular Formula］C20H20O2 ［Structural Formula］C19H29COOH [Properties]Abietic acid is a tricyclic diterpenoid compound, which is slightly yellow to yellow-red, transparent, hard and brittle, and cont…
What are the properties and uses of erucic acid? Introduction to erucic acid
[Alias]cis-13-docosenoic acid, rapeseed acid. ［Molecular Formula］C22H42O2 [Properties of Erucic Acid]Colorless or white needle-like crystals. The phase density is 0.860 (55℃), the melting point is 33.…
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