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PVC Cell Classification - ASTM D1784

This method classifies PVC compounds based on the material's composition and select properties. The cell classification is a five or six digit number. The minimum property value will determine the cell number even if the maximum expected value may fall within the next higher cell.

PVC Cell Classification Criteria
Cell Class Order Property Unit Cell Limits
0 1 2 3 4 5 6 7 8 9 10 11
1st Base resin   unspecified PVC homopolymer CPVC PVC copolymer                
2nd Notched Izod J/m unspecified <34.7 34.7 80.1 266.9 533.8 800.7          
ft-lb/in <0.65 0.65 1.5 5 10 15          
3rd Tensile Strength MPa unspecified <34.5 34.5 41.4 48.3 55.2            
psi <5000 5000 6000 7000 8000            
4th Tensile Modulus MPa unspecified <1930 1930 2206 2482 2758 3034          
psi <280000 280000 320000 360000 400000 440000          
5th DTUL @ 1.80 MPa (264 psi) °C unspecified <55 55 60 70 80 90 100 110 120 130 140
°F <131 131 140 158 176 194 212 230 251 266 284

Examples

Cell Class: 12345 Cell Class: 243611
Base Resin: PVC homopolymer Base Resin: CPVC
Notched Izod: 34.7 J/m Notched Izod: 266.9 J/m
Tensile Strength: 41.4 MPa Tensile Strength: 41.4 MPa
Tensile Modulus: 2482 MPa Tensile Modulus: 3034 MPa
DTUL @ 1.80 MPa (264 psi): 80°C DTUL @ 1.80 MPa (264 psi): 140°C

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