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properties, Non-flammable, used in medical applications.
Density 1.3 - 1.7 g/ cm 3
Glass transition temperature -50 to -5 °C
Max /Min continuous Service temperature 50 - 80 °C / - 40 to - 5 °C
Limitations: Properties can change with time, due to plasticizer migration, tends to
degrade at high temperatures, Non suitable for food contact with some plasticizers,
Lower chemical resistance than rigid PVC.
Applications: PVC is the main material used for blood bags, gloves and medical
tubing saving countless lives.
• Electricals : Cable and wire insulation, plugs, cable jackets, sockets, cable heads
and distributors.
• Engineering: Gaskets, stuffing boxes, pipes, hoses, coatings, and protective caps
for pipes.
• Building: Seals for windows and doors, swimming bath linings, floor coverings,
doorstops, garden hoses, wire coverings
• Others: Shoe soles, divers masks, car body seals, ski sunglasses, toys,
tablecloths, boots, cases. Cling film, inflatable dinghies, balls, handbags, book
covers, office equipment, artificial leather seats.
14) Chlorinated Polyvinyl Chloride (CPVC):
Possesses the same outstanding chemical resistance of PVC, but offers superior
performance to PVC in applications where higher heat resistance is required.
Although more difficult than PVC, CPVC can be thermo-welded, chemically
bonded, Superior corrosion resistance, better UV resistance, high pressure
resistance (3 bars at 90°C), Inert to most mineral acids, bases and salts, as well as
aliphatic hydrocarbons,
Self-extinguishing and relatively low smoke generation
Density 1.5 - 1.55 g/ cm 3
Glass transition temperature 100 - 110 °C
Max continuous Service temperature 80 - 100 °C
Limitations: Poor impact resistance, Opaque, Poor resistance to aromatic
solvents, ketones and esters, High cost, compared with PVC.
Application: Construction industry pipes and fittings, sewage pipes, Tanks, hoods,
Pipes for chemicals, Agriculture, Automotives Thrust washers, Digital copier and
printer components.
15) Polyvinylidene Chloride (PVDC):
Is a highly effective barrier coating polymer that is produced by the polymerisation of
a vinylidene chloride monomer with other monomers such as acrylic esters and
unsaturated carboxyl groups. PVDC homopolymers are difficult to fabricate, so only
PVDC copolymers have commercial importance.
Density 1.6 - 1.75 g/ cm 3
Glass transition temperature -15 °C
Max continuous Service temperature 70 - 90 °C
PVDC is procesed by sheet or film extrusion, co-extrusion and coating applications.

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