PVC Cell Classification - ASTM D1784

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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
Cell Class Order	Property	Unit	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
2nd	Notched Izod	ft-lb/in	unspecified	<0.65	0.65	1.5	5	10	15
3rd	Tensile Strength	MPa	unspecified	<34.5	34.5	41.4	48.3	55.2
3rd	Tensile Strength	psi	unspecified	<5000	5000	6000	7000	8000
4th	Tensile Modulus	MPa	unspecified	<1930	1930	2206	2482	2758	3034
4th	Tensile Modulus	psi	unspecified	<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
5th	DTUL @ 1.80 MPa (264 psi)	°F	unspecified	<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

Similar Standards

ASTM D4216

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