Cut Sheet

21
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Specifications
Properties of Materials Used in Wiring Duct
Property Units ASTM Test PVC Halogen Free
Specific Gravity D792 1.43 1.10
IZOD ft.-lb./in. D256 2 5.0
Flexural Strength psi D790 10,900 12,800
Flexural Modulus psi D790 382,000 360,000
Tensile Strength psi D638 5,500 7,800
Compressive Strength psi D695 8,600 16,000
Water Absorption 24 hrs.–% D570 0.10 0.07
Hardness Rockwell D785 R-111 R-115
Duro D D676 78
Dielectric Strength D149
60Hz, 25° C, s/t vpm 400
Dielectric Constant D150
60Hz, Dry 1.9 2.65
1MHz, Dry 2.64
Volume Resistivity ohm-cm D257 1017
Heat Deflecting (° F@ 264 psi) ° F D648 158 212
Flammability 94 V-O 94 V-1
The above information is believed reliable. The user should, however, check the applicable specifications to verify values.
Rigid Polyvinyl Chloride (PVC)
• General-purpose material for indoor applications
• UL
®
flammability rating of V-0
• UL94 recognized for use in temperatures up to
50º C (122º F)
• Economical wiring duct material
Halogen Free
• For use in halogen-free or high-temperature
applications
• UL flammability rating of V-1
• UL94 recognized for use in temperatures up to
95º C (203º F)
• 20% lighter than PVC
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