Canvas is a thick cotton or linen fabric. Plain weave is usually used, twill weave is used in a small amount, and multi strand yarn is used for warp and weft yarn. Canvas is usually divided into thick canvas and thin canvas. It has good waterproof performance * * its main feature is its durability, which can be used for automobile transportation, covering of open warehouse and camping in the field. After dyeing or printing, it can also be used as shoe material, luggage material, handbag, backpack, tablecloth, tablecloth and so on. In addition, there are rubber canvas, fire, radiation shielding canvas, paper machine canvas.
