Polyvinyl chloride (PVC) resin is the base material for producing clear sheets, which have various applications in industries such as construction, furniture, and transportation. In this article, we’ll discuss the steps involved in producing a PVC transparent clear sheet without using backing cloths.

1. Select PVC Resin Grade: The grade of PVC resin is selected based on the desired properties and characteristics of the final product, such as clarity, transparency, and thickness.
2. Mix Ingredients: The PVC resin is mixed with plasticizers, stabilizers, fillers, and pigments to form a liquid or paste-like mixture. The proportions of the ingredients are carefully controlled to ensure the desired properties of the final product.
3. Spread PVC Mixture: The PVC mixture is spread onto a sheet of plastic or metal, such as polyethylene or aluminum, using a coating machine. The backing sheet provides support and structure to the clear sheet, and can also be used to add color, texture, and pattern.
4. Dry the PVC Mixture: The PVC mixture is dried using heat, air, or infrared radiation to remove excess moisture and solvent from the mixture. The drying process is carefully controlled to ensure the desired properties of the final product, such as clarity, transparency, and flexibility.
5. Calender PVC Clear Sheet: The PVC clear sheet is calendered using a calendering machine to apply heat and pressure, which smoothens and compacts it. This process improves the appearance, texture, and thickness of the clear sheet and can also be used to add special effects, such as embossing or printing.
6. Cut and Attach PVC Clear Sheet: The PVC clear sheet is cut into the desired size and shape using a cutting machine and attached to the final product, such as a window or a piece of furniture, using heat, pressure, or adhesives. The cutting and attachment processes are carefully controlled to ensure the desired properties of the final product, such as durability, flexibility, and water resistance.

In conclusion, the production of a PVC transparent clear sheet without backing cloths follows a similar set of steps as the production of a clear sheet with backing cloths. The main difference is that a backing sheet of plastic or metal is used instead of a backing cloth of fabric. It’s essential to carefully consider the pros and cons of using a clear sheet with or without backing cloths before choosing the right option for a specific application.