Polyvinyl Chloride Resin

  • Abbreviation: PVC Resin
  • Appearance: White Powder
  • Main Grade: SG3, SG5, SG7, SG8
  • K value: 72-71, 68-66, 59-55
  • CAS No.: 9002-86-2
  • HS Code: 3904109001
  • Molecular Formula: (C2H3CL)n
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Polyvinyl chloride, referred to as PVC, is a thermoplastic resin polymerized by vinyl chloride monomer under the action of an initiator. It is a homopolymer of vinyl chloride. The appearance is white powder, non-toxic and odorless. As one of the important organic synthetic materials, PVC resin has good physical and chemical properties, such as heat resistance, cold resistance, corrosion resistance, insulation, and flame retardancy. As a result, the resin can be widely used in construction, electronics, automobiles, medical care, packaging and other fields.

Well-known PVC Resin Manufacturers in China

To meet different processing requirements and end-use needs, we supply PVC resin from a range of well-known manufacturers. Available brands include Xinfa, Zhongtai, Sinopec, Erdos, Tianye, Beiyuan, Hygain, Dagu, Formosa Plastics, and Hanwha.

Each manufacturer offers different grades and specifications for various applications. Therefore, we recommend comparing the available product data before making a selection. Please explore our PVC resin range to find a suitable grade for your production process and specific requirements.

Main Brands

Main Models

Production Method

SINOPEC PVC

S1000, S1300, S800, S700

Ethylene Method

DAGU PVC

DG-1300,DG-1000K,DG-1000S,DG-800T,DG-700

HYGAIN PVC

HS-700, HS-800, HS-1000F, HS-1000R, HS-1300

FORMOSA PVC

S-60, S-65, S-70,S-80,S-85

HANHUA PVC

HG-1000F, HG-800,HG-1300

ZHONGTAI PVC/XINFA PVC/ BEIYUAN PVC/TIANYE PVC/ERDOS PVC/YILI PVC/YIHUA/EAST HOPE/DONGXING/JUNZHENG PVC 

PVC SG3, PVC SG4, PVC SG5, PVC SG6, PVC SG7, PVC SG8

Carbide Method

PVC Resin Manufacturers in China

Technical Specifications

ItemPVC SG3PVC SG5PVC SG7PVC SG8
Viscosity No. ml/g135-127118-10795-8786-73
K value72-7168-6662-6059-55
Polymerizing Index1370-12511135-981845-741740-650
Number of impurity particles16max16max20max20max
Volatile Matter, %0.3max0.4max0.4max0.4max
Apparent Density, g/ml0.45min0.48min0.50min0.50min
Number of Fish Eye (/400 cm2)20max20max30max30max
Plasticizer absorption of 100g resin, g26min19min12min12min
VCM Residue, ppm5max5max5max5max
Whiteness(160°C,10min), %78min75min75min75min
Particle size≥0.25mm2.0max2.0max2.0max2.0max
≥0.063mm95min95min95min95min
Main applicationsPVC SG3 is suitable for leathers, hoses, wire cables, shoes and other general purpose soft products.PVC SG5 can be mainly used for pipes, profiles, fittings, panels, injection, moulding, sandals, hard tube and decorative materials,etc.Both PVC SG7 and PVC SG8 are suitable for sheets, bottles, calendaring, rigid injection molding and molded pipes.
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Main Uses of Polyvinyl Chloride (PVC)

(1) Construction field

  • Pipes and Fittings: Manufacturers use rigid PVC to produce drainage pipes, water supply pipes, and pipe fittings. Its corrosion resistance, impact performance, durability, and cost-effectiveness make it a practical choice for many piping systems.

  • Doors and Window Profiles: PVC profiles provide thermal insulation, weather resistance, and relatively low maintenance requirements. Manufacturers use them to produce doors, windows, and other building components that support energy efficiency.

  • Flooring, Wall Coverings, and Roofing: PVC resin also serves as a raw material for flooring, wall coverings, and selected roofing products. These materials offer versatile designs and practical performance for different building environments.

(2) Packaging field. PVC polyvinyl chloride supports various packaging applications thanks to its processability, transparency, and surface finish. Manufacturers can process it into films for packaging food, pharmaceuticals, cosmetics, and other products, depending on the required material specifications. In addition, rigid PVC sheets can undergo thermoforming to create blister packs and other packaging containers. These products help display small items, such as electronic components and hardware, while keeping them organized and protected.

(3) Electrical and Electronics. PVC resin plays an important role in the electrical and electronics industry thanks to its excellent insulating properties. Manufacturers use it to produce wire and cable insulation and jacketing, which help prevent current leakage and protect conductors from external damage, supporting safe and reliable power transmission. In addition, its good mechanical properties and processing flexibility make it suitable for electronic component housings, sockets, switches, and other electrical accessories.

(4) Automotive Industry. The automotive industry uses PVC resin in both interior components and functional parts. Depending on the formulation, manufacturers can process it into dashboards, door trims, seat coverings, and other interior materials. These products offer design flexibility, wear resistance, and practical surface finishes. In addition, suitable PVC compounds can be used for seals, hoses, and other components in automotive fluid systems.

(5) Medical Industry. Medical-grade PVC resin has specific applications in the medical industry. It can be made into medical supplies such as IV tubing, blood bags, and urinary catheters. These products are non-toxic, chemically resistant, and easily sterilizable, meeting the stringent requirements of medical hygiene.

(6) Other Fields. Beyond the industries mentioned above, PVC resin also serves agriculture, toy manufacturing, and consumer goods production. It is used in agricultural films, hoses, and irrigation components to support crop protection and water management. In addition, its flexibility and processing versatility make it suitable for toys, rain boots, handbags, luggage components, and other everyday products.

Based on their molecular structure and polymerization characteristics, polyvinyl chloride (PVC) resins can generally be classified into three types: general-purpose PVC resin, high-polymerization PVC resin, and cross-linked PVC resin. Although these types share the same basic polymer, their production processes and material properties differ.

  • General-Purpose PVC Resin: This type is produced by polymerizing vinyl chloride monomer (VCM) in the presence of an initiator. Due to its versatility and processing flexibility, it is widely used in pipes, profiles, films, cables, and other plastic products.
  • High-Polymerization PVC Resin: This resin is manufactured through polymerization processes designed to achieve a higher degree of polymerization. As a result, it can provide specific mechanical properties and processing characteristics for applications with more demanding performance requirements.
  • Cross-Linked PVC Resin: This type is produced through specialized processes involving cross-linking agents. The resulting molecular structure can improve certain material properties, making it suitable for selected industrial applications.
  • Strength and rigidity. PVC resin has good strength and rigidity and can withstand greater mechanical pressure and impact.
  • Wear resistance. This resin resin has high wear resistance, which makes it have a long service life in some applications.
  • Processability. It is easy to process and can be prepared into products of various shapes and sizes through processes such as extrusion, injection molding, and calendering.
  • Additive mixing. Polyvinyl chloride resin can be mixed with various additives (such as plasticizers, stabilizers, fillers, etc.) during processing to improve its performance and processability.
  • Weather resistance. It has good weather resistance in outdoor environments and can resist erosion by ultraviolet rays, acid rain and some chemicals.
  • Corrosion resistance. The product is resistant to erosion by most oils, alcohols and aliphatics, but not resistant to organic solvents such as aromatic hydrocarbons, chlorinated hydrocarbons, esters, etc.
  • Electrical properties. PVC resin is an excellent electrical insulating material with low electrical conductivity and high insulation strength, which makes it widely used in the electrical industry.
  • Environmental performance. In recent years, with the improvement of PVC synthesis technology, the content of vinyl chloride monomer in PVC resin has been successfully reduced to below 5×10^-6, and food-grade PVC resin can be obtained, showing good environmental performance.
  • Safety. The polyvinyl chloride resin itself is non-toxic, but the industrial additives used in its processing, especially heat stabilizers, may have varying degrees of toxicity. Therefore, when using PVC products, attention should be paid to its hygiene.

From a raw material perspective, if polyvinyl chloride resin is produced using ethylene as a raw material, fluctuations in international crude oil prices have a significant impact. When crude oil prices rise, ethylene costs increase, and PVC resin production costs rise, driving up prices. When using the calcium carbide method, fluctuations in the prices of raw materials like coal affect calcium carbide prices, which in turn influences PVC resin costs and prices. Market supply and demand are also key factors. When demand for PVC resin is strong in downstream industries like construction and packaging, while supply is relatively insufficient, prices rise. Conversely, when market capacity is excessive and demand is weak, prices face downward pressure.

For example, during a construction industry downturn, demand for PVC door and window profiles, pipes, and fittings decreases, suppressing PVC resin prices. Macroeconomic conditions and policies and regulations also play a role. During economic booms, various industries expand, increasing demand for PVC resin and driving up prices. Stricter environmental protection policies require companies to invest more in environmental protection, potentially leading to price increases. Trade policy adjustments, such as changes in import and export tariffs, can also alter polyvinyl chloride resin import and export volumes, impacting domestic market supply, demand, and prices.

  • With more than 15+ years of export experience in plastic polymers industry.
  • We can guarantee sufficient supply and fast delivery.
  • Free samples for testing and different packages to meet customers’ requirements.
  • Fengbai has a good cooperation with cargo agents and shipping companies.
  • Supply good quality product, excellent services, and competitive PVC resin price.

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