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The difference between plastic tray two materials

by:Qusheng     2020-11-08
There are two kinds of Plastic collapsible cratematerial: high density polyethylene ( HDPE) And polypropylene ( PP) 。


plastic pallet material: PP impact resistance performance is good, HDPE good low temperature resistance, suggested to use PP material at room temperature, low temperature environment is recommended to use HDPE material.


high density polyethylene ( HDPE) Is a kind of high crystallinity, nonpolar thermoplastic resin. High density polyethylene for most household and industrial chemicals has excellent resistance to water, polymer not bibulous, has a good waterproof steam, HDPE surface is milky white, the correct combinations of different grade HDPE is its density, molecular weight distribution and additive four basic variables. Different catalysts were used to produce customized special performance polymers. In the thin part has a translucent appearance, can be used for packaging purposes. HDPE has excellent electrical properties, especially its high dielectric strength, suitable for wire and cable. Polymer in the order of magnitude with excellent impact resistance, normal temperature, low - 40 when f has a good impact resistance performance. These variables combine to produce different use level of HDPE, and achieve balance in performance.





polypropylene ( PP) Tasteless, low density, strength, stiffness, hardness and heat resistance are better than that of low pressure polyethylene, can be used in 100 degrees Celsius. With good dielectric properties and dielectric properties, is not affected by humidity, but brittle at low temperatures, wear-resisting, easy ageing. Suitable for making general machinery parts, corrosion parts and insulation parts. Common acid, alkali and other organic solvents for the impact is not big, can be used for food containers.


in this paper, by the plastic tray, this view does not represent the views.
plastic crates wholesale are required in the manufacture of almost every product and plastic crates wholesale wholesale plastic pallet is one of the most common machines.
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