Teach you to know the plastic products logo

If you notice that the bottom of a plastic product often has a triangle with an arrow, it is a "regeneration" sign. At present, there are 140 kinds of plastic numbers in China,

PVC plastic door and window maintenance

In order to give full play to the advantages of plastic steel doors and windows, and extend the service life of plastic steel doors and windows, in the course of use, attention should also be paid to the maintenance and maintenance of plastic steel doors and windows:

What is the use of plastic PE?

LDPE (High Pressure Low Density Polyethylene): Its products have the advantages of low density, good transparency and good insulation. They are mainly used in agricultural film (shed film, mulch film), heavy packaging film, shrink film,