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PVC Resin Suppliers & Manufacturer in Thailand

March 26,2023

PVC resin suppliers and Manufacturers in Thailand


PVC resin is a thermoplastic polymer that can be softened and re-softened by heating. It is a highly versatile material that can be used in a variety of applications.

During the next few years, the global market forpvc paste resin is expected to grow. The application of PVC paste in the construction, automobile, printing, and synthetic leather industries is likely to propel the market.



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Chemical Resistance

Many things affect how well pipes and fittings can stand up to chemicals. These include temperature, pressure, stress cycles, and the chemical compounds that they are exposed to.

The specific plastic material used in piping and fittings may impact their chemical resistance, too. In general, the fewer filler materials used, the better the resistance will be.

Most alcohols, fats, and oils don't hurt PVC. Aromatic-free gasoline and the most common corrosive agents, like acids, alkalis, and salts, also don't hurt it. But it shouldn't be used with esters, ketones, ethers, aromatic, or chlorinated hydrocarbons, because they will soak into the material and cause it to swell and lose its tensile strength.

chlorinated polyvinyl chloride (CPVC) is a homopolymer of PVC that has been treated with chlorine in a secondary reaction process after PVC polymerization. This makes it more resistant to chemicals. It offers a much wider service range than standard PVC materials. It is also resistant to many chemicals commonly found in plumbing systems, including disinfectants and chlorine bleaches.

 


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Strength

PVC resin suppliers and manufacturers in Thailand offer different grades of PVC resin for various applications. They include suspension and bulk polymerization grades that can be used for a variety of end-use markets.

The main difference between these two types is that suspension grade is made by polymerizing droplets of vinyl chloride monomer suspended in water. This produces a slurry that is then centrifuged to remove the dissolved material, and the remaining PVC cake is gently dried.

Suspension grade is the most common form of PVC resin and can be processed with a wide range of primary plasticizers. This type of PVC is ideal for high-volume rigid or unplasticized PVC applications likepvc pipe, windows, sidings, and ducting.

The viscosity of the PVC resin can be controlled by the decalin content. This helps reduce the melt viscosity of PVC during processing. The following plot illustrates the relationship between the viscosity of the PVC resin and the decalin contents:

Durability

PVC resin is one of the most durable plastics on the market today. It can be used to produce many different products, including plastic furniture, trash cans, high chairs, mixing bowls, and more.

Unlike most plastics, which harden and can't be bent, PVC resin can be heated to make it soft, then heated again to make it soft again. This allows it to be molded into many different shapes.

However, even after being re-softened, PVC can still have some brittleness. This is why it needs to be formulated using additives that will provide stability and resilience in the finished product.

Chemists and formulation engineers mix different additives, modifiers, and stabilizers with PVC resin to make compounds with specific properties. These can include heat stabilizers, lubricants, fillers, and pigments.

Lightweight

PVC resin is lightweight and a great choice for building materials. It is also easy to install and resistant to changes in climate.

Because of this, it is a great building material for things like windows, door frames, shutters, water pipes, wiring, and ducting. It is often used as a replacement for wood, concrete, or metal in construction projects.

Plasticizers are added to PVC resin to make it softer and more flexible. Primary plasticizers include phthalates, dioctyl phthalate (DOP), trimellitates, and polymeric plasticizers.

PVC is unstable to heat, so it needs to be treated with additives before processing into finished products. Some of these are flame retardants, heat stabilizers, UV stabilizers, plasticizers, impact modifiers, fillers, and plasticizers that make the plastic more flexible.