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PVC Plastic                            Back to Sheets

       PVC plastic (polyvinyl chloride) has excellent chemical resistance and dielectric properties. It also has good tensile, flexural strength, and dimensional stability. There are two major types of PVC plastic. Those are rigid and flexible (plasticized).

  • Rigid PVC is the most common form. It is used in the manufacture of pipe, fittings, valves, machining shapes, sheet and duct. PVC piping has numerous advantages due to its excellent strength to weight ratio, pressure bearing capacity, and chemical/corrosion resistance.
  • Flexible (plasticized) PVC is used to produce film, packaging, liners, and wire/cable covers.
  • Some common applications of PVC plastic include tubing, electrical/cable insulation, protective gloves/clothing, gloves, electrical tape, tanks/vessels, nuts, bolts, fasteners, hangers, hubs, vinyl siding, credit cards, and decorative applications.

 

Specifications:

PROPERTIES OF POLYVINYL CHLORIDE
Property Rigid Flexible
PHYSICAL PROPERTIES
Specific gravity 1.30-1.58 1.20-1.70
Specific volume (in^3/lb) 19.1-20.5 -
Water absorption, 24 h, (%) 0.04-0.4 0.15-0.75
MECHANICAL PROPERTIES
Tensile strength (psi) 6,000-8,000 1,500-3,500
Elongation (%) 50-150 200-450
Tensile modulus (10^5 psi) 3.5-10.0 -
Flexural modulus (10^5 psi) 3-8 -
Impact strength, Izod (ft-lb/in of notch) 0.4-20.0 -
Hardness, Shore D65-85 A50-100
THERMAL PROPERTIES
Thermal conductivity (10^-4 cal-cm/sec-cm^-C) 3.5-5.0 3.0-4.0
Coefficient of thermal expansion 1.2-5.6 3.9-13.9
Deflection temperature (F)  
          At 264 psi 140-170 -
          At 66 psi 135-180 -
Flammability rating V-0 (Cell Class 12454-B) -
ELECTRICAL PROPERTIES
Dielectric strength (V/mil) 350-500 300-400
Dielectric constant  
          At 1 kHz 3.0-3.8 4.0-8.0
Dissipation factor  
          At 1 kHz 0.009-0.017 0.07-0.16
Volume resistivity (ohm-cm) At 73 F 50% RH >10^16 10^11-10^15
Arc resistance (s) 60-80 -

*Information provided by IAPD