What is PE material qybee P life often asked: what is the PE, PE is what material?
In fact, people who do not understand the doorway like zhang two monks, even never heard of such a word.
So what is the true nature of PE?
Also called polyethylene PE, divided into low molecular weight, and high molecular weight.
It is of low molecular weight liquid, colorless, odorless, insoluble in water, the density of.
G/cm, can be used as lubricating oil and paint.
High molecular weight are solid in general, milky white, thermoplastic, hands have wax feeling, density in.
G/cm in between.
Its corrosion resistance, insulation performance is good.
High density polyethylene with rigidity, hardness, and high mechanical strength, can do container, pipe, also can do the high frequency electrical insulating materials, used in radar and television.
It does not dissolve in water, water imbibition is small, it is of some chemical solvents, such as toluene, acetic acid, and only showing modest dissolved when ℃ temperature above.
But PE, grainy can between ℃ ~ ℃ melting or solidification, along with the change of temperature at higher temperatures melt, absorbing heat;
At lower temperature solidification, gives off heat.
Water quantity is small, and because it is not easy to damp, good insulation performance, so is a good building materials.
The particle shape of polyethylene doped in the cement, can make the walls and floor.
Use it in normal temperature endothermic melting and solidification characteristics, heat release when the room temperature, it absorbs heat melting;
The temperature falls it gives off heat coagulation.
So you can make the room temperature is stable.
So is a good heat storage material.
According to its other features, this kind of building materials and prevent the leakage, the action of heat, moisture and corrosion resistance.
The above is the mask of PE, win it, you'll find PE exists in every aspect of life, but we haven't really know it, to identify it.
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