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FAQ

What is the raw material of agricultural film?

Agricultural plastic film has a wide range of varieties and specifications. According to the use of plastic, plastic raw materials are different, divided into PVC plastic film, polyethylene plastic film;. According to a method of manufacturing a plastic film, divided into pressure Ting film, blown film; according to some special properties of plastic film with the film, there were no drop seedling film, thin film, thin film, colored cover wide film, packaging film etc.. According to the different thickness and width of plastic film, there are various specifications.

Why are more transparent plastic films used in flower sheds instead of glass?

The cost of plastic film is low and the cost of glass greenhouse is too high.The plastic greenhouse is economical, practical and low in cost, and can be chosen according to the needs of production and planting. Plastic film is better for profit maximization.Glass greenhouse skeleton is usually made of galvanized steel pipe or aluminum alloy light steel, in the process of cultivation, the service life is the longest, but the cost is very expensive. If the flowers are not special rare flowers, it will not use the glass greenhouse.

Wood composite doors, plastic film paste on how to deal with?

Preparation tools: hair dryer (with hot air), 1 steel wire ball (slightly thinner wire), 1 bottles of white wine, 2 pieces of dishcloth

Can it be covered with plastic film after pouring concrete outside zero?

Yes, it does matter. Norms have regulations, 5 degrees above zero temperature, to take winter construction measures. Zero degrees Celsius, concrete pouring is not easy to operate, quality is difficult to guarantee, mixing water is ice water mixture, concrete will be slightly frozen.

Wrap your legs in plastic film. How soon will they be removed?

PE: flammable, leave the open flame, continue to burn, with the flame yellow, blue, melting dripping, paraffin flavorPVC: not flammable, from the fire that is extinguished, the flame yellow, down green, accompanied by white smoke, softening and not melting, irritating acid

What are the factors that affect the barrier property of plastic film?

The hydrophilic properties of plastic film mainly include PVA, PA and so on. The hydrophilic resin can swell the resin because of its strong water absorption, and the molecular spacing increases, and the barrier property decreases. Usually, please water plastic film water vapor diffusion coefficient is not a constant, it is with the water vapor solubility increases, resulting in the change of permeability coefficient, permeability and influence of non hydrophilic plastic film is almost not affected by environmental humidity.

What brand is a plastic film on the surface of waterproof coiled material?

Usually manufacturers directly use their own production, almost no separate circulation of the market, is one of the production process.

Keyboard circuit board, film paper and rubber strip, how is it installed?

The rubber strip is pressed on the outside of the film. Generally, the rubber strip is placed on the cover, then the membrane is placed, and then the circuit board is inserted. Then the screw is screwed down to the circuit board, so that it is compressed.