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Waterproof Canvas Making Method
- Sep 30, 2017 -

Waterproof canvas is used for waterproof or moisture, moisture and wax on the cloth, that is, waterproof canvas, rain cloth. Usually with polyester as the fabric material and then made of wax with a waterproof, mildew, dust-proof function of the canvas.

There are two kinds of waterproof tarpaulin production technology, one is the horizontal machine machinery production, is the kind of heavy-duty large cylinder, put the sheet into the material and then put out on the leather belt, through the heavy cylindrical column pressed flat , Then pull the dryer drying, and then trimming, sub-circle, packaging. One is the vertical machine machinery production, the cloth straight into the raw material box pulled out, on the sheet of adhesive material is high purity PVC material, and then both sides have been straightened through the knife with a knife, with a knife scraping After drying machine drying, trimming, sub-circle, packaging.

There are two kinds of dryer, one is to use electric, one is the boiler. Horizontal machine production of PVC coated canvas than the vertical production of PVC coated canvas is cheaper, because the horizontal machine in the production of raw materials on the requirements than the vertical production of raw materials to be low, horizontal machine production can be What kind of compound can be put to suppress, but the vertical machine production can not, and the requirements of raw materials, raw materials must be a certain degree of purity. Often vertical production of PVC canvas to be slightly expensive, canvas products are also high purity.