What are the requirements for the design of PVC three-proof tarpaulin?

Of course, the PVC three-proof tarpaulin must have“Three defenses”Function. Namely waterproof, fireproof (flame retardant). Tarpaulin products can play the role of rain, heat, cold and so on. Therefore, such products are required to have corresponding properties. It's the rainy season in the north again, and it's a season of heavy storms and rain, and tarpaulins are indispensable for going to the south to pull goods. Often optimistic about many card friends, do not cover the rain-proof canvas tarpaulin in advance, and then cover it only when it rains. Now the freight industry is not good at all. Isn't this a reason for the owner to deduct money? PVC three-proof tarpaulins are generally covered with oil awnings, which are added with rubber, which can play a role in preventing rain. After the tarpaulin has been used for a long time, it is inevitable that there will be scratches and small holes. It needs to be exposed to the sun to see it. This is why sometimes the tarpaulin is covered and the goods are still wet. Large loopholes can generally be repaired in the place where the tarpaulin is specially repaired, but small holes like pinholes can only be solved by themselves. If they cannot be solved, the tarpaulin will be useless. We run freight, and we are already poor, so save some if you can. Besides, the tarpaulin itself is not cheap! What are the requirements for the design of PVC three-proof tarpaulin? (1) Tensile strength: The tarpaulin must be subjected to various tensions during use, such as tension when it is fixed: it must be subjected to additional forces such as wind, rain, and province during use. Despite these external forces, they are still required to maintain their original shape and not easily deformed. In particular, the tensile strength of large tents used as inflatable buildings is extremely important. Generally, the base fabric is made of high-strength polyester, vinylon and other long-fiber fabrics. Waterproof finishing with vinyl chloride resin and chlorosulfonated polyethylene resin. The strength of the product is mainly determined by the strength of the fiber material and the density of the fabric. (2) Tear strength of pvc three-proof tarpaulin: tarpaulin damage is mainly caused by tearing, so tear strength is an important indicator of tarpaulin. The tear strength is related to whether the tarpaulin will break due to the action of flying foreign objects or expand to the surrounding after forming holes for some reasons, forming large structural cracks. So, when the tension is high. Both high tensile strength and high tear strength are required for the tarpaulin. (3) Air permeability: The air permeability of tarpaulins needs to be considered, especially for military tent fabrics. The factors affecting air permeability include base fabric organization, density, material, type of waterproof finishing agent, and resin adhesion. With the increase of resin adhesion, the air permeability of the tarpaulin decreased. Of course this depends on the finishing agent used. Generally, most of the tents with air permeability are made of cotton, vinylon, lacquer and other short fiber fabrics finished with paraffin or acrylic resin. (4) Elongation skin and dimensional stability: As a canopy tent and a large tent, it is often used under tension. The elongation of the fabric should not be too large, and its dimensional stability is determined by the creep characteristics of the material. After years of exploration, I finally found a practical way to repair PVC three-proof tarpaulin. Only need to prepare a toothpick, a piece of cloth, a bottle of 502 glue, no need to use special glue for tarpaulin. Turn the tarpaulin towards the sun, insert a toothpick in the place where the sunlight leaks in, then wipe the tarpaulin clean with a cloth, cut a small piece of new tarpaulin, use 502 to apply glue around the small eye first, and put the tarpaulin Put the tarp over the eye of the needle. Just press it with scissors for a while, and it's done. The glued needle holes are rarely glued. My tarpaulin has been used for two or three years. Small holes are treated like this, which is economical and easy to use. PVC three-proof tarpaulin is closely related to our daily life and is often used. Tarpaulin is a thick cotton fabric or linen fabric, which has corresponding windproof and anti-sunshine properties. Cloth is also widely used. In some cases, tarpaulins are also used as materials to build simple houses. PVC three-proof tarpaulin can be divided into fine tarpaulin and rough tarpaulin according to different workmanship. Of course, different classifications will have corresponding differences in use. Fine tarpaulin is very common in life, and is often used to make clothing and daily necessities. For example, some labor protection clothes are made of fine tarpaulin; this tarpaulin can also be used as a fabric for shoes and backpacks by dyeing. The coarse tarpaulin is rougher than the fine tarpaulin. This type of tarpaulin is firm and foldable, has good waterproof performance and protection performance, and is often used for covering truck transportation and open warehouses; Superior characteristics and good thermal insulation are often used when people pitch tents in the wild. Tarpaulin has many advantages and is very suitable for use in life.

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