Discern the stand or fall of be bored with child

As some outsiders, discern the stand or fall of putty is difficult! Today small make up call you a few methods to identify, hope to help you. 1. See off powder is inferior putty: lightly with his finger with inferior model surface of the putty, fingers will most likely be stained with putty powder. High quality putty: wipe gently with fingers painted with high quality be bored with child of the surface of the sample analysis, finger is very clean, off powder putty not happen. 2. See the be bored with child after be water soluble inferior putty, friction, and gently after water surface, the example of fingers will touch on many of the putty is water soluble. High quality putty: namely using hand after repeated friction water sample, hands are clean. 3. After the water surface change bad putty: bad putty samples after water, will soon appear bubbles, peel phenomenon. Quality putty: intensity in the same water rinse quality putty, putty surface there is no exception. 4. See the cement surface layer after drawing inferior putty: after drawing, observe the putty fracture. A fracture in one of the inferior putty should to the surface of the cement or cement on the surface of the putty has been pulled out. High quality putty: high quality putty a fracture in the middle tier of putty itself, two pieces of cement surface still stick with putty. Product bond putty is a new type high strength paint bottom ash, basically has the following characteristics: 1, has the strong cohesive force, can well attached to the base surface. 2, has a certain toughness, can be a very good buffer the effects of the different expansion stress of different base. 3, good resistance to a plentiful and permeability resistance. 4, environmental protection, non-toxic and safe.