Viewing Picture Knowledge: Distinguishing Good and Bad Cement
Cement yellow sand is a relatively large amount of products used in concealment projects. At present, there are more sub-filled products in the market. If you accidentally buy defective products, the quality is not reliable, and it is difficult to repair problems. . The editor asked the old mages of this area to compare the true and false products. It is not difficult to find the difference.
Cement _ packing work difference
Gently cough, maybe a large piece of the ceiling will fall; hard to stomp, floor tiles may split in two; grab the edge gently lifted, the result of the wall is down ... ... short and two are still small If you buy fake cement, you may have major problems in terms of quality. At present, Shanghai is more commonly used as licensing and conch cement, the following describes a few simple ways to distinguish between the true and false of these two kinds of cement.
Look at the production date
True and false 
True cement bags will have a lot number on the side or back to indicate the date of production, because the cement is prone to dampness or agglomeration for a long time. Generally, it will not exceed one week from the time of delivery to the factory. The implementation standard should be GB175-2007. Fake because it is produced by a small workshop, generally there will be no batch number or use of expired packaging.
Look at the gutter
True and false 
See LOGO
True and false 
The LOGO color behind the real cement bag is more flexible, and the fixed-point two-character is written in a small carcase, which is different from the fake cement.
Yellow sand cement floor tile cement
Polishing paste is the polishing material (such as diatomite, quartz sand, pumice, iron Dan, Vienna lime and chromium oxide, etc.) and some binder (such as stearic acid, paraffin, etc.) together into the form of oil paste. Polishing paste is generally divided into white, red, green three kinds, according to the material of polishing products is different, should choose different polishing paste
Metallographic Polishing Paste,Grinder Machine Polish,Polishing In Metallography,Metallographic Etching
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