First, the true urea is white or yellowish white needle-like, shuttle-like or round granular crystal, tasteless, completely soluble in water, otherwise it is a fake urea.

The second is to take a small amount of sample into the lime water, the ammonia smell is not true, and the ammonia smell can be smelled by other fertilizers or nitrogen fertilizers with other substances.

The third is to ignite a few pieces of charcoal, or to burn iron or tiles with fire, and put a little urea on it to burn, white smoke, pungent ammonia smell, and quickly turn into water as true urea; When it is burning, it is slightly boiling, and it emits a "beep" sound, which indicates that ammonium sulfate is added, which is inferior; if it emits hydrochloric acid, it indicates that it is mixed with ammonia chloride; if it burns, it will have a slight flame. , in which ammonium nitrate is blended.
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7.5L Electric Wallpaper Stripper

The 2200W 7.5L Electric Steam Wallpaper strippers is the most productive, safest and easiest to use steam wallpaper stripper.

The Wallpaper Stripper force steam through the layers of paper, helping to not only remove the paper but also glue residue from walls.The Wallpaper Steam Stripper is particularly effective on stubborn papers with paint on, or wood chip paper.

The 7.5L Electric Wallpaper Remover Stripper is much easier, compared to soak and scrap off the wallpaper manually, it only uses water which is heated.


Once the water boil then the water evaporates, produces steam out of the plate. The steam will penetrates into the wallpaper and loosen the old adhesive paste, so the wallpaper can then be pulled off and removed easily.

The advantages of removing wallpaper with steam are obvious: no need for chemicals, which is cheap and good for the environment. It's also much faster--you do not need to soak. BTW, no large puddles of water on the floor. What`s more, it makes work easier because large pieces can be removed from the wall.


7.5L Electric Wallpaper Stripper, Hot Style Wallpaper Steam Stripper,Wallpaper Stripper,Electric Wallpaper Stripper

Ningbo Brace Power Tools Co., Ltd , https://www.cnbrace.com

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