What is PVC Resin Grade?

There are several different grades of PVC resin. You can determine the grade of resin by looking at the characteristics of the resin. The grades include rigid extrusion, suspension grade, paste grade, and flexible applications.

Suspension grade

PVC resin is a soft plastic which can be used for making a wide variety of consumer goods. These include household items such as toys, furniture, building materials and decorative products. In fact, PVC is one of the most widely used resins.

Its main raw material is vinyl chloride monomer, which is produced by the chemical reaction of ethylene and chlorine. The monomer is then polymerized to form a  pvc resin. It has excellent tensile strength, chemical stability, and dielectric properties. It is also known for its high resistance to water and abrasion. It is commonly used in manufacturing adhesive agents and paints.

The main application of PVC is in the building industry. It is used for flooring, wall coverings, mastic, automotive, and construction industries. It is available in a variety of grades.

The highest-end applications are made with paste grade PVC resin. It has a particle diameter of 5 to 30 microns. It is a very fine particle size and is therefore expensive.

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Paste grade

The global market for PVC paste is highly fragmented and the market is driven by demand for cost-effective construction materials in developing countries. Asia Pacific is expected to account for the largest share of the global market in the forecast period. In this region, increasing infrastructure development activities in developing countries is anticipated to boost the growth of the industry.

The market is categorized based on application and the type of pvc paste resin. The applications that are expected to dominate the market during the forecast period include automotive, electrical & electronics, packaging, medical & healthcare, and others. The high K-value grade segment is expected to retain its position as the largest segment of the market during the forecast period.

The emulsion process is estimated to hold the leading position in the global PVC Paste Resin market during the forecast period. The emulsion process is preferred for the manufacture of finer PVC materials.

Various fillers are added to the paste. Some of the typical fillers used are sorbyl alcohol, hexadecanol, long chain aliphatic alcohol, and terephthalic acid.

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Rigid extrusion

Rigid extrusion in PVC resin grade is used for a variety of applications. These include windows, sills, plumbing, window frames, and refrigeration. This material is lightweight, durable, and cost-effective. It also provides inherent UL flame performance.

When choosing a material for rigid PVC,​ it is best to first consider the properties of the plastic. Many different types of polymers are available for this application. Some of the most common include PS, ABS, and HIPS. The properties of the crystalline polymer molecular chains give this type of material excellent strength and rigidity.

The resin grade can be a key determinant of the properties that you are looking for. For example, if you are interested in making a flexible profile extrusion, it is best to choose a resin with high flexibility. In addition, some materials have energy reflection properties. This can be helpful in certain applications, such as wall covering or calendering.

Another consideration is the amount of heat that is required for the extrusion. The temperature of the feed hopper can limit the flow of material. Using a water-cooling system will help prevent this from happening.

Flexible applications

Flexible applications of paste PVC resin grade are used for making a variety of different products. These include electrical cable insulation, tubing for blood transfusions, and tubing for storing liquids. It is also used for making bags and toys, as well as waterproof coverings for swimming pools.

Polyvinyl chloride, or PVC, is one of the most common synthetic plastic polymers. It has excellent chemical and electrical resistance, and has a wide range of flexibilities. It is an ideal material for roofing membranes, as well as flooring and electrical cable insulation. It is nonflammable and resistant to impact and water.

It is one of the most durable plastics available. It is also recyclable. In addition, it is a natural resource saving plastic. This makes it a popular choice for many applications. In fact, it has been used to manufacture hundreds of lifesaving products for almost 50 years.

The flexibility of PVC is achieved by adding plasticizers to rigid PVC. The resulting PVC is more flexible and can be easily welded to other plastics.