There are many types of greenhouse films on the market, and there are many methods for identification. However, the relatively used method is very messy, so that people don't know which one to use, today, Xiaobian will lead you to take a look at the various alternative references:
(1) Choose large and medium-sized enterprise products with reliable quality and good reputation.
(2) Purchase shed film products that meet national standards.
(3) When purchasing, you should choose a film roller with a flat roller surface, no obvious burrs and misalignment, and observe whether there are bubbles, spots, folds, impurities, pinholes and other defects when opening the rubber roller.
(4) Select the appropriate shed film according to the crop type and cultivation method. Specifically, the agricultural film with the corresponding function can be selected according to the manufacturer's product description.
(5) The fake and shoddy greenhouse film on the market is mostly processed by recycled raw materials, which is manifested by more impurities on the surface of the greenhouse film, low transparency, and the greenhouse film face facing the sun and is in a turbid state.