San Diego Plastics
2220 McKinley Avenue
National City, CA 91950
800/925-4855   619/477-4855   FAX 619/477-4874

PVC (Polyvinylchloride)

PVC
PVC

Polyvinyl chloride (PVC) is a flexible or rigid material that is chemically nonreactive. PVC has a broad range of applications, from high volume construction related products to simple electric wire insulation and coatings. Rigid PVC is easily machined, heat formed, welded, and even solvent cemented. PVC can also be machined using standard metal working tools and finished to close tolerances and finishes without great difficulty. PVC accepts paint and performs well under most silkscreening processes. PVC resins are normally mixed with other additives such as impact modifiers and stabilizers, providing hundreds of PVC based materials with a variety of engineering properties. There are three broad classifications for rigid PVC compounds: Type I, Type II, and CPVC. Type II varies from Type I due to greater impact values, but lower chemical resistance. CPVC has greater high temperature resistance. These materials are considered "unplasticized", because they are less flexible than the plasticized formulations. Type I, II and CPVC are normally available in rod, sheet, slab, pipe, tubular bar, fittings and valves. "Plasticized" PVC is available in sheet, film, fittings, flexible tubing, and pipe.

Available PVC Products:


PVC Type 1 Gray sheet and rod

PVC TYPE I (NORMAL IMPACT) SHEET
PVC TYPE II (HIGH IMPACT) SHEET
CPVC SHEET
PVC ROD
CLEAR FLEXIBLE PVC STRIP
Flexible PVC Tubing
Vinyl Strip Doors
Vinyl Welding Curtains
PVC Perforated Sheet
Clear Flexible Vinyl Rolls and Sheet
PVC Clear Planished and Rigid Sheet
Custom PVC Flexible Liners
PVC Cement
Excelon System
CPVC Pipe, Rod & Bar
PVC Rod
PVC Square Bar
PVC Rectangular Bar
Weld-on Cement and Welding Rod
PVC Hollow, Angle and Hex Bar Stock
Type I and Type II PVC Sheet
CPVC Sheet

Properties:

High strength
Economical
Dimensional stability
Good weather resistance
High impact strength
Clarity
Colorability
Flexible or rigid
Chemically inert
Ease of fabrication
Tasteless, odorless, non-toxic
Good electrical properties

Applications:

Nuts
Filters
Signs
Tanks
Pipes
Bolts
Valves
Bushings
Tank and pool liners
Laboratory equipment
Ducts
Sprinkler systems
Photo mounting
Wall coverings
Pump parts
Fittings

 


Typical properties of polyvinyl chloride
ASTM test Property Rigid Flexible
PHYSICAL
D792 Specific gravity 1.30-1.58 1.20-1.70
D792 Specific volume (in.³/lb.) 20.5-19.1 -
D570 Water absorption, 24 hours, 1/8 inch thick (%) 0.04-0.4 0.15-0.75
MECHANICAL
D638 Tensile strength (psi) 6,000-8,000 1,500-3,500
D638 Elongation (%) 50-150 200-450
D638 Tensile modulus (10~5 psi) 3.5-10 -
D790 Flexural modulus (10~5 psi) 3-8 -
D256 Impact strength, izod (ft-lb/in. of notch) 0.4-20.0 -
D785 Hardness, Shore 65-85D 50-100A
THERMAL
C177 Thermal conductivity (10~4 cal-cm/sec-cm~2-°C) 3.5-5.0 3.0-4.0
D696 Coefficient of thermal expansion (10~5 in./in.-°F) 1.2-5.6 3.9-13.9
D648 Deflection temperature (°F)
At 264 psi
At 66 psi

140-170
135-180
-
ELECTRICAL
D149 Dielectric strength (V/mil) short time, 1/8-in. thick 350-500 300-400
D150 Dielectric constant At 1kHz 3.0-3.8 4.0-8.0
D150 Dissipation factor At 1kHz 0.009-0.017 0.07-0.16
D257 Volume resistivity (ohm-cm) At 73°F, 50% RH >10~16 10~11 to 10~15
D495 Arc resistance(s) 60-80 -

San Diego Plastics San Diego Plastics

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