Spunbonded non-woven fabric
Spunbonded nonwoven fabric, also known as polypropylene spunbonded nonwovens, is a new generation of environmental protection materials, with water repellent, breathable, flexible, non combustion, non-toxic, non irritating, rich color and other characteristics.
If the material is placed outdoors and decomposed naturally, its longest life is only 90 days. If it is placed indoors and decomposed within 8 years, it is non-toxic, tasteless and has no leftover substances when burning, so it does not pollute the environment, so environmental protection comes from it.
PP spunbonded non-woven fabric is a kind of non-woven fabric, which uses PP as raw material, through high temperature drawing polymerization into a net, and then hot rolling method to bond into a cloth. Because of the simple process, large output, non-toxic and harmless to human body. So it is widely used in medical and health materials, agricultural non-woven fabrics, industrial non-woven fabrics, packaging materials and other fields.
Non woven fabrics are used in all walks of life, especially in the field of agriculture.Therefore, as a new type of covering and heat preservation material, non-woven fabric is used in greenhouse vegetable production, and has achieved good economic benefits.
The function of non woven fabric in Greenhouse
Application of agricultural non-woven products:
1. It is used in all walks of life, especially in agriculture, breeding, industry and construction.
2. In winter, it can be used for wind protection on both sides of the shed, and the effect is very good. The heat preservation effect is 3-7 degrees higher than that of the grass curtain.
Advantages：
① Keep temperature.
The long wave light transmittance of non-woven fabric is lower than that of plastic film. Because the heat dissipation in the radiation area at night mainly depends on the long wave radiation, the effect of temperature holding is more prominent.
② Ventilation and humidity control
The non-woven fabric with air permeability and humidity control is made up of filaments, which have high porosity and can be air permeability, water permeability and automatically adjust humidity.
③ Shading and cooling
Black agricultural non-woven fabric has better shading effect. The colored non-woven fabric is used to cover its surface, which has the effect of shading and cooling. Different colors of non-woven fabrics have different shading and cooling effects.
④ Anti aging
The thicker the non-woven fabric is, the lower the strength loss rate will be.
Main applications:
Through the application practice of vegetable farmers, the main applications of non-woven fabrics in agriculture are as follows:
1.It is used on the back wall of the greenhouse as a "slope protection" rainproof material.
For other applications, the whole back wall is wrapped with several pieces of non-woven fabrics and fixed with steel wire, which can reduce the heat loss of the back wall; it can prevent rain and snow, protect the wall; it can cover and weed, and reduce diseases and pests into the shed.
2.It is used as "two-way" insulation material at the bottom of straw mulch.
The surface of many shantytowns is not only covered with straw mulch, but also a layer of non-woven fabric is added at the bottom of straw mulch. According to vegetable farmers, by adding "two layers" of thermal insulation materials (non-woven fabrics), the thermal insulation performance of the shed can be significantly improved, which is 2 ℃ - 3 ℃ higher than that of simple straw mulching, which is conducive to the growth of vegetables. In addition, the application of non-woven fabric in the shed with roller shutter machine can also protect the grass cover and prolong its service life.
3.Other applications
When it is used in the production of early spring arch shed watermelon covered with multi film, the non-woven fabric can be directly covered on the small arch shed in the arch shed,and the effect of heat preservation and cold prevention is outstanding.
The production process of non-woven equipment is gradually mature. According to the current development situation of non-woven equipment in China, its production line is growing rapidly, and the production process is constantly mature and perfect in the process of production and development.
Zhejiang Yanpeng Nonwoven Machinery Co.,Ltd can be said to be the "predecessor" of the industry. Since its establishment in 2003, the company has always focused on non-woven production line.
Zhejiang Yanpeng Nonwoven Machinery Co.,Ltd adhering to the "customer first, forge ahead" business philosophy, adhere to the "customer service" principle, after more than ten years of practice and exploration, the company has made remarkable achievements in the non-woven equipment production industry!
