White latex is a kind of adhesive, which itself is a medium for bonding substances and substances into one. It is an important class of fine chemical products, and its social and economic benefits are very large.
The important component of white latex is vinyl acetate, which is the most important raw material for the production of white latex. It must be used in the production of white latex by any regular company, so its real name is polyvinyl acetate emulsion. Polyvinyl acetate emulsion came out in 1929 and industrial production began in 1939. Because it is a water-based adhesive, it is non-polluting, non-combustible, and has better performance than animal glue. After 1945, it partially replaced animal glue. Because the process of producing white latex is a white milky substance that is polymerized at high temperatures, some people call it white latex, latex and other names.
At present, in the huge decoration market, the use of non-polluting and environmentally friendly white latex is becoming more and more important, and it is also more and more favored by people. But among the many white latex brands, how should consumers distinguish between good and bad white latex?
First of all, we must ask what is its solid content? Some barrels have a solid content marked on it. If not, you can ask the shopping guide directly. Generally, white latex for household use has a solid content of about 30%-35%. If it is 20%-25%, it can be pasted on more common wood. The higher the solid content, the less moisture there is in the white latex and the stronger its adhesion.
Secondly, if the specialty store is convenient, you can open a small test bucket and smell the white latex. Good white latex should have a clear fragrance, not pungent sour or other unpleasant smells. Good white latex does not contain formaldehyde, so it is also safe and non-toxic.
Third, the white latex you buy back will dry out as soon as possible during use. Generally, white latex will dry completely after 24 hours of flat pressing. If it is not dry, it means that the quality of white latex is not good, or the construction environment is too humid.
Finally, check the color of the white latex after drying. Good white latex is transparent after drying, and the more transparent the better. And after drying the white latex, the two adhered objects are not easy to pull apart flatly, indicating that its adhesive force is very strong.
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Post time: Jul-07-2023