What about the key points for selecting flour mesh?...

The vegetable greenhouse is now made of 30 mesh nylon mesh. When you used it in a vegetable greenhouse, how did you calculate it for 30 mesh? Why not use 30-purpose?

1. The number of meshes can be understood in this way. The particle size or thickness of the material is generally defined as the number of meshes in the area of ​​1 foot * 1 inch, that is, the number of meshes of the mesh, and the number of meshes through which the material can be defined; It is a new type of agricultural covering material. It uses high-quality polyethylene as raw material, adds anti-aging, anti-ultraviolet and other chemical auxiliaries. It is woven by wire drawing and looks like window screen. It has the characteristics of tensile, water resistance, heat resistance, corrosion resistance, non-toxic and tasteless, and the collection is light. The correct storage life can be up to 3-5 years. Choose the appropriate specifications - the specifications of organic vegetable insect nets include width, aperture, wire diameter, color, etc. In particular, attention should be paid to the pore size; the mesh is large, and the insect-repellent effect should not be achieved; if the mesh is small, the shading is excessive, which is 

unfavorable for crop growth.

2. At present, the suitable mesh size is 20-32 mesh, the wire diameter is 0.18 mm, the width

 is 1.2-3.6 m, and white. If you want to enhance the shading effect, you can use a black insect net. The silver-gray insect-proof net has better effect. The biggest feature is that it can prevent insects and disease, greatly reduce the amount of pesticides used, is the key technology of pollution-free vegetables, and is a simple, scientific and effective pest control measure.

Nylon mesh insect net 30 why this kind of net is popular. It is because it can prevent the flying insects from entering the small holes, which is harmful to the greenhouse vegetables. Further diseases that may occur.