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PVC Cell Classification - ASTM D4216
This method classifies PVC compounds based on the material's composition and select mechanical and dimensional properties. The cell classification is an eight-digit number. The minimum property value will determine the cell number even if the maximum expected value may fall within the next higher cell.
Cell Class Order | Property | Unit | Cell Limits | ||||||
---|---|---|---|---|---|---|---|---|---|
0 | 1 | 2 | 3 | 4 | 5 | 6 | |||
1st | Base resin | unspecified | PVC | CPVC | PVC copolymer | PVC blend | |||
2nd | Notched Izod | J/m | unspecified | <34.7 | >53.4 | >107 | >267 | ||
ft-lb/in | <0.65 | >1.0 | >2.0 | >5.0 | |||||
3rd | Dart Drop Impact (Procedure A) |
J/m | unspecified | >4450 | >6675 | >8900 | >13350 | ||
in-lb/mil | >1.0 | >1.5 | >2.0 | >3.0 | |||||
4th | Dart Drop Impact (Procedure B) |
J/m | unspecified | >4450 | >6675 | >8900 | >13350 | ||
in-lb/mil | >1.0 | >1.5 | >2.0 | >3.0 | |||||
5th | Tensile Strength | MPa | unspecified | >34 | >37.7 | >41.4 | >44.9 | >48.3 | |
psi | >5000 | >5500 | >6000 | >6500 | >7000 | ||||
6th | Tensile Modulus | MPa | unspecified | >2000 | >2400 | >2800 | >3200 | ||
psi | >290000 | >348000 | >377000 | >406000 | |||||
7th | DTUL @ 1.80 MPa (264 psi) | °C | unspecified | >60 | >65 | >70 | >75 | >80 | >85 |
°F | >140 | >149 | >158 | >167 | >176 | >185 | |||
8th | CLTE | cm/cm/°C | unspecified | <4 x 10-5 | <6 x 10-5 | <8 x 10-5 | <10 x 10-5 | ||
in/in/°F | <2.2 x 10-5 | <3.3 x 10-5 | <4.4 x 10-5 | <5.5 x 10-5 |
Examples
Cell Class: 12305464 | Cell Class: 24012342 |
---|---|
Base resin: PVC | Base resin: CPVC |
Notched Izod: >53.4 J/m | Notched Izod: >267 J/m |
Dart Drop Impact (Procedure A): >8900 J/m | Dart Drop Impact (Procedure A): unspecified |
Dart Drop Impact (Procedure B): unspecified | Dart Drop Impact (Procedure B): >4450 J/m |
Tensile Strength: >48.3 MPa | Tensile Strength: >37.7 MPa |
Tensile Modulus: >3200 MPa | Tensile Modulus: >2800 MPa |
DTUL @ 1.80 MPa (264 psi): >85°C | DTUL @ 1.80 MPa (264 psi): >75°C |
CLTE: <10x10-5 cm/cm/°C | CLTE: <6x10-5 cm/cm/°C |