Foam gluefull name polyurethane foam caulking Agent, is a kind of mainly used in the field of building doors and windows to play the roles of filling, sealing, sound insulation, etc. Polyurethane elastic sealing foam material that relies on moisture to cure. At the same time, it is also a single single component , moisture-curing, multi-purpose polyurethane foam-filled elastic sealing material.
As people become more and more dependent on styrofoam, This producthas been used in construction, decoration, real estateand many other “>Industry. Due to the huge market for styrofoam, there are also more and more styrofoam manufacturers, resulting in a mixed market with good and bad products. font>There are many inferior styrofoam. The so-calledpoor qualitystyrofoam is just someblack heartManufacturers reduce costs by adding inferiorfillers to reduce costs, to deceive and deceive consumers to obtain high profits.
The quality of products on the market today varies from good to bad. TodayWeiguwill teach you how to identify good styrofoamandbad. Let usfirstletsummarize the inferior foam produced by some manufacturers on the market What are some ways to reduce costs?
1.Add powder
In order to reduce costs and increase profits, some manufacturers add low-cost powder into production,This will seriously affect the use of foam glue, and there will be quality problems such as a greatly reduced foaming volume, clogging of valves, and shortened shelf life.
2.Gaza
The styrofoam we see on the market is generally 900g, in order to Making the foam rubber reach its proper weight and reducing the cost is possible Manufacturers add sand to the material to make it look fake. This will causethe product to not be clean, and there will still be something in the jar after , the valve may even become clogged.
3.Come on
This product will leak grease at the bottom after foaming, The service life of such styrofoam is veryvery short.
I didn’t expect that a small piece of styrofoam could have so many tricks, right? Don’t worry, The editor below will teach you a few tips on how to identify styrofoam The good and bad .
1. Look at the size of the foam. Goodfoam rubber has a large amount of foam.full and round, Poor foam has small foam and appears to collapse.
2. Cut the foam to see the cells. Good styrofoam The cells are uniform and fine, poor foam glue has very large cells , Foamdensity is not good.
3. Lookadhesion, good foam has strong adhesion, poorfoamadhesionWeak.
Four. When making foam, The sprayed foam should not be too thin or too thick. If it is too thin, the foam will not collapse. If the foam is too thick, it will dry out and shrink easily.
5. Squeeze with hand Styrofoam blocks, goodstyrofoamhave good dimensional stability , elastic after curing . Poor foam has no elasticity and low hardness, and may even be as soft as a sponge.
6. Judging from the color . Good styrofoam is milky white after being punched out. White or yellow color is not good.
7. After the product has been used, Shake the can. A good product will not be dirty. If there is still something in it, there is probably something fishy.
So the editor would like to remind everyone here , when choosing foam glue, you must keep your eyes open and choose good foam from regular manufacturers. Do not choose inferior products for the sake of cheapness. It is recommended that everyone use “Weigu” brand foam caulking agent.
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