What types of PVC tarpaulin are available?

There are many kinds of tarpaulins in the tarpaulin factory. Today I am talking about pvc double-coated canvas, also called plastic coated cloth. It is a kind of tarpaulin that uses pvc coated cloth in tarpaulin factories. It is used for trains, outdoor warehouses, and covering items. Just a moment. The plastic coated cloth is composed of base cloth + pvc (polyvinyl chloride) + plasticizer + filler + pigment + flame retardant (optional) + conductive agent (optional)! Whether the tensile strength of the cloth is good depends on the base cloth, It plays the role of a keel, and the strength from low to high mainly includes polyester filament, high-strength polyester filament, and glass filament (glass fiber). ): dtex=g/L*9000 where g is the weight of the thread (grams), L is the length of the thread (m)} Usually the yarn factory is marked as 330dtex or 333dtex, in fact, there is only 300D! A 300D/96F, this 96F That is to say, a 300D filament is composed of 96 filament fibers. It is very thin, but it can be seen clearly! Come on, let's take a look at the specifications of the tarpaulin cloth, there are 1X1, 2X1, 2X2, 3X3, here's the The number can be understood as the number of roots, that is, 300DX300D, 600DX300D, 600DX600D, 900DX900D, that's it, it's not difficult! So if you see the same 3X3 plastic coated cloth as the thin one, it is the base cloth in addition to the coating thickness The problem is, the number of X is the number of threads (everyone defaults to 300D). In order to reduce costs, some manufacturers use 250D or finer yarns to weave. Naturally, it is not as thick as 300D, and the tension is naturally reduced. !{Who told the customer to say that it is expensive, this is cheaper.} This is the specification of the batch of cloth, and when making a piece of tarpaulin, it is calculated in meters. For example, a 10X8 tarpaulin is 10 meters long and 8 meters long. Wide, haha, this is simple! Besides, the weaving warp and weft density problem, of course, is that the density is high! Look at the coating, the pvc problem is not big, the quality of the small factory is unstable but the price is low, if the price is lowered, the manufacturer may use it, Look at the filler, add more and less pvc haha, the quality is poor! Get a piece of plastic coated cloth, see if it is good, first check the color, feel soft and hard (some people want soft, some want hard, aromatic hydrocarbons do When the aromatic hydrocarbons evaporate or become hard in winter, it is also affected by the ultraviolet rays of the sun), then come on, take a cloth in your hand and rub it like washing clothes, scratch it with your nails, has the pvc fallen off? Is the price low? I have seen many new fabrics bought by car owners who don’t know the goods, and the pvc on the fabric has been used for a few months. Can it still prevent rain? Hey, who told him to be cheap? A layer of film, you faint! It is also a good choice to test the water (put a piece of cloth on the shelf and use the shelf to form a U shape and add water, and after 5 minutes, you will know whether it is waterproof or not!

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