Giant 3-pin dual-quality black shade net

Shade net is mainly used in the summer, especially in the South to promote a large area. Some say: the northern winter is a white (mulch), Southern summer is a black (cover shade net). Summer in the South use shade net cultivation of vegetables has become a disaster prevention and technical measures to protect a major promotion. Application is also limited to the northern summer vegetable seedling. Summer (June-August) covering shade net primary role is to irradiate the anti-sun, the anti-storm impact hazard, high temperature spread of pests and diseases, especially to prevent pest migration play a good role. Play after a summer cover block light, rain, moisture, cooling effect; after winter and spring there is some insulation covering humidification effect. Moisturizing principle: [1] after obscure shade net, because the cooling effect of wind, down obscure area outside air and the speed of communication, significant progress on the progress of the air relative humidity, at noon, humidity increases the maximum value, the general progress of 13-17% high humidity, soil evaporation decreased, increasing soil moisture. Shade net is the use of polyethylene (HDPE), high density polyethylene, PE, PB, PVC, recycled materials, new materials, polyethylene C class for raw materials, UV stabilizers and oxidation treatment, with a strong tensile, aging resistance, corrosion resistance, radiation, light and other characteristics. Mainly used for vegetables, mushrooms, flowers, edible mushrooms, seedlings, herbs, ginseng, fungus and other crops cultivation and protection of aquatic poultry, etc., to improve the yield and other significant effects. Shade net is polyethylene, ultraviolet stabilizers and oxidation treatment, with a strong tensile strength, anti-aging, corrosion resistance, radiation, light and other characteristics. So how do we distinguish its quality is good or bad in the purchase it? Shade net identification methods are the following: 1. flat surface, smooth, flat and parallel to the gap, neat, uniform, Jingwei clear and crisp. 2. good finish, there is a sense of quality bright, deep black, shade net factory instead of a floating table bright feeling. 3. Flexibility moderate, flexible, non-rigid sense, not rough, shade net manufacturers have flat space thick texture. 4. Length of formal packaging, shading rate, specifications, dimensions clearly marked. 5. No smell, the smell, some just plastic shade net factory faint burning.