About the purchase knowledge of pvc sheet
pvc sheet can be divided into: PVC hard board, PVC soft board, PVC board. PVC hard board has good corrosion resistance, high strength, hardness, easy processing and welding characteristics, and is widely used in acid-base pools, extraction vessels, chemicals, water treatment, environmental protection equipment, etc. PVC transparent soft board, non-toxic, hygienic, weather-resistant, high strength, good transparency, physical properties are better than organic glass. It is suitable for PVC soft boards such as equipment protection boards, drinking troughs, kinescopes, etc. It is soft and wear-resistant, acid and alkali resistant, corrosion resistant, tear resistant, and has good welding performance. Chemical, electroplating, electrolytic cell lining, insulating cushion, etc.; the surface of the environmentally friendly pvc sheet is bright, non-toxic, and suitable for the quality requirements of export products.
When purchasing PVC sheets, you can simply identify them according to their own characteristics. When buying a pvc sheet, the customer must master its identifying characteristics. Let me give you a brief identification of the pvc sheet, so that you can choose a good quality pvc sheet that suits you. First of all, it must have a beautiful appearance. The surface of the board must be flat and smooth, without cracks or collisions, and can be disassembled and assembled freely. The surface is smooth and scratch-free. The board must be knocked by hand and the sound is clear. The second is to smell the board. If there is a strong pungent odor that is harmful to the body, you should choose a odorless and safe ceiling. Finally, PVC is non-flammable, can burn on the flame, and self-extinguishing. The flame is yellow when it is ignited, and the lower end is green, emitting white smoke, and the plastic becomes soft when it burns. Rigid polyvinyl chloride boards will produce light blue or purple fluorescence, and soft boards have blue-white fluorescence.