Celplast H

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PropertyaTest Methodb
Typical Value, Unitsc
Plasticizer25%
Specific Gravity D 792 1.28
Mechanical Properties
Tensile Stress @ Yield D 638 37.2 MPa (5400 psi)
Tensile Stress @ Break D 638 40.7 MPa (5900 psi)
Elongation @ Break D 638 25%
Flexural Modulus D 790 2344 MPa (3.4 x 105 psi )
Flexural Yield Strength D 790 62.7 MPa (9100 psi)
Rockwell Hardness, R Scale D 785 90
Izod Impact Strength, Notched
@ 23°C (73°F)D 256 160 J/m (3.0 ft.lbf/in.)
@ -40°C (-40°F)D 256 48 J/m (0.9 ft.lbf/in.)
Thermal Properties
Deflection Temperatured
@ 1.82 MPa (264 psi)D 648 77°C (171°F)
@ 0.455 MPa (66 psi)D 648 86°C (187°F)
Vicat Softening Temperatured D 1525 113°C (235°F)
Permanence Properties
Water Absorption, 24 h immersion D 570 2.3%
Soluble Matter Loss D 570 0.2%
Weight Loss on Heating [72 hours @ 80°C (176°F)] D 706 1.2%
Miscellaneous Acetate Properties
Specific Heat @ 23°C (73°F) DSC 1.26-1.67 kJ/kg.K (0.301-0.399 Btu/lb.°F)
Thermal Conductivity C 177 0.17-0.33 W/m.K (1.2-2.3 Btu.in./h.ft2.°F )
Coefficient of Linear Thermal Expansion D 696 11-17 x 10-5 /°C (mm/mm°C) (6-9 x 10-5 /°F (in./in.°F))
Mold Shrinkage D 955 0.2-0.6%
Dielectric Strength D 149 11.8-18.7 kV/mm (300-475 V/mil)
Dielectric Constant 1 MHz D 150 3.3-3.8