What is Polyvinyl Chloride CAS 9002-86-2?

Polyvinyl Chloride, commonly called PVC, is a thermoplastic vinyl chloride homopolymer with CAS 9002-86-2 and general formula (C2H3Cl)n. It is typically supplied as a white powder or pellets with density around 1.41 g/cm3 and is practically insoluble in water.

What does the K-value 65-68 mean for this PVC resin?

K-value is an indicator of molecular weight and degree of polymerization. A K65-68 range corresponds to a medium molecular weight suspension grade, often classified as SG-5, and provides a practical balance of mechanical strength and melt processability for rigid extrusion.

Which industrial applications are best suited to Polyvinyl Chloride CAS 9002-86-2?

This rigid or unplasticized grade is widely used for PVC pipes and fittings, window profiles, door frames, siding, cladding, electrical conduit, and other structural profiles. The resin can be compounded with stabilizers, impact modifiers, lubricants, and fillers to meet the required processing and end-use properties.

How should PVC resin be stored and processed to avoid degradation?

Store PVC resin in a cool, dry, ventilated area away from moisture, direct sunlight, and heat sources above about 35 degrees C, and control dust to avoid combustible dust clouds. During processing, temperatures should be controlled because PVC begins to decompose above about 200 degrees C, releasing corrosive hydrogen chloride gas.

Polyvinyl Chloride CAS 9002-86-2

Polyvinyl Chloride (CAS 9002-86-2) is a thermoplastic synthetic macromolecule produced through the polymerization of vinyl chloride monomer, widely utilized within Industrial & Specialty Chemicals formulations for continuous structural extrusion processes. Operating as a high-density poly(vinyl chloride) matrix, this versatile PVC resin exhibits inherent flame retardancy and high tensile strength, making the chloroethylene polymer integral to manufacturing industrial piping networks and chemical-resistant architectural profiles. Its rigid formulation provides excellent dimensional stability, dielectric strength, and resistance to environmental degradation when deployed as a base vinyl chloride polymer in demanding processing environments. To support large-scale industrial manufacturing schedules, our facility maintains continuous bulk supply capabilities, ensuring consistent batch-to-batch structural integrity with customized specifications to meet specific rheological parameters, all backed by competitive factory pricing and comprehensive technical documentation including MSDS, TDS, COA.

CAS: 9002-86-2
Synonyms: Poly(vinyl chloride), PVC resin, Chloroethylene polymer, Vinyl chloride polymer, Polychloroethene
Einecs: 618-338-8
Molecular Formula: (C2H3Cl)n
Grade: Industrial Grade
Package: 25kg/bag, 1000kg/jumbo bag

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Product Description

Technical Data

Physicochemical Properties	Standard Specification (Industrial Extrusion Grade)
Appearance	White micro-suspension powder
Purity (Resin Content)	≥ 99.5%
K-Value	65 – 68
Apparent Density	0.45 – 0.55 g/cm³
Volatile Matter	≤ 0.4%
Viscosity Number	105 – 118 ml/g
Residual VCM (Vinyl Chloride Monomer)	≤ 1.0 ppm
Solubility	Insoluble in water; soluble in tetrahydrofuran and cyclohexanone

Applications:

Industrial Piping & Profiles: Functions as the rigid base resin for manufacturing high-pressure water mains, industrial effluent pipes, and architectural window profiles via continuous extrusion.
Wire & Cable Jacketing: Formulated with specific plasticizers to produce flexible, flame-retardant insulating sheaths for heavy-duty industrial wiring and power transmission cables.
Chemical Storage & Linings: Extruded into impermeable sheets and membranes utilized for lining chemical storage tanks, owing to its superior resistance to inorganic acids and alkalis.

For flexible PVC compounding with a terephthalate plasticizer, Dioctyl Terephthalate (DOTP) is a separate formulation component.

Storage & Safety:

Storage Conditions: Store in a cool, dry, well-ventilated warehouse environment away from direct sunlight, ambient heat sources, and incompatible materials such as strong oxidizers. Ambient storage temperatures should be maintained below 40°C to prevent thermal degradation.
Safety & Handling: Industrial operations generating polymer dust require local exhaust ventilation. Personnel must utilize NIOSH-approved particulate respirators, chemical safety goggles, and protective work clothing to prevent respiratory inhalation and mechanical eye irritation.

Quality Assurance:

Our manufacturing facility enforces rigorous quality control protocols aligned with ISO 9001 industrial standards. Every production batch is subjected to stringent laboratory analysis, utilizing gel permeation chromatography (GPC) to verify molecular weight distribution and automated capillary rheometry to assess processing stability. We maintain strict, continuous monitoring of residual vinyl chloride monomer (VCM) levels to guarantee the structural integrity and compliance of the polymer matrix with international industrial material safety specifications.

FAQ - Technical & Supply Chain

Q:
What is Polyvinyl Chloride CAS 9002-86-2?

A: Polyvinyl Chloride, commonly called PVC, is a thermoplastic vinyl chloride homopolymer with CAS 9002-86-2 and general formula (C2H3Cl)n. It is typically supplied as a white powder or pellets with density around 1.41 g/cm3 and is practically insoluble in water.
Q:
What does the K-value 65-68 mean for this PVC resin?

A: K-value is an indicator of molecular weight and degree of polymerization. A K65-68 range corresponds to a medium molecular weight suspension grade, often classified as SG-5, and provides a practical balance of mechanical strength and melt processability for rigid extrusion.
Q:
Which industrial applications are best suited to Polyvinyl Chloride CAS 9002-86-2?

A: This rigid or unplasticized grade is widely used for PVC pipes and fittings, window profiles, door frames, siding, cladding, electrical conduit, and other structural profiles. The resin can be compounded with stabilizers, impact modifiers, lubricants, and fillers to meet the required processing and end-use properties.
Q:
How should PVC resin be stored and processed to avoid degradation?

A: Store PVC resin in a cool, dry, ventilated area away from moisture, direct sunlight, and heat sources above about 35 degrees C, and control dust to avoid combustible dust clouds. During processing, temperatures should be controlled because PVC begins to decompose above about 200 degrees C, releasing corrosive hydrogen chloride gas.

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