The cultivation of fruit trees facilities, in addition to covering the insulation material plastic film, there are other insulation facilities. Grasshoppers are traditionally made of straw, woven from straw, reeds, and wheat straw. Generally 3-5cm thick, 1.2-2m wide and 6-10m long. Covering the film in the booth at night, the temperature in the facility can be maintained. Grass screens are generally woven from straw and rushes. The difference between the straw curtain and the haystack is that the straw curtain is thin, the grass straw is thick, and the straw curtain is poor in heat insulation, and it is generally applied to the outside of the small arch cover for heat insulation and covering. The paper is sewn with 4-7 layers of kraft paper or cement bag wrapping paper. Usually used in conjunction with grasshoppers, covered under the grasshoppers, it can not only enhance the insulation effect, but also reduce the wear and tear of the film. A layer of paper is covered with a layer of grasshoppers, and the heat preservation effect is good. Insulation sponges are made of insulation sponges and have excellent insulation properties, but they are expensive and are rarely used in production. Non-woven fabrics, also known as non-woven fabrics, are fabrics made from polyester as a raw material processed by hot pressing. Long fiber non-woven fabrics are used in general production. It is not easy to damage, water resistance, light, light weight, good air permeability, does not accumulate water droplets, the service life of up to 5 years, is a new material with a wide application prospects. Ultra-thin non-woven fabrics can be directly covered on fruit trees. Non-woven fabrics not only keep warm but also reduce humidity. The insulation screen, also known as the second curtain, is the second layer covering of plastic greenhouses, some of which use ordinary plastic films, and some use slightly special two-channel plastic films. When hanging two curtains, you should pay attention to maintaining a certain degree of inclination, forming a high middle and low sides, in order to enhance the insulation effect and prevent accumulation of water.
Adult diapers are disposable urinary incontinence products, one of the adult care products, and a disposable diaper mainly suitable for incontinent adults.
Most products are flaky and shorts type. Use adhesive sheets to connect into a pair of shorts. The adhesive sheet also has the function of adjusting the waist size so as to fit different fat and thin body shapes.
Generally, the structure of diapers is divided into three layers from the inside to the outside. The inner layer is close to the skin and made of non-woven fabric; the middle layer is water-absorbent fluff pulp, added with polymer water-absorbing agent; the outer layer is an impermeable breathable film.
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