Phenolite® Cotton Fabric Based Laminate specifications

NEMA GRADE C C CE L LE CEF
PHENOLITE GRADE C-592 C-501 CE-578 L-610 LE-675 CEF-586
Density, GM/CC 1.34 1.35 1.32 1.34 1.32 1.32
Specific Volume, CUIN/LB 20.6 20.5 21.0 20.6 21.0 21.0
Lbs. per Sq. Ft., 1/8" Thick .87 .88 .86 .87 .86 .86
Tensile Strength, PSI, Lengthwise 12,000 11,200 12,000 14,000 13,500 14,000
Tensile Strength, PSI, Crosswise 9,000 9,500 9,000 10,000 9,500 10,000
Comprehensive Strength, PSI, Flatwise 40,000 37,000 39,000 35,000 37,000 35,000
Flexural Strength, PSI, Lengthwise 20,000 22,000 22,000 23,000 18,000 20,000
Flexural Strength, PSI, Crosswise 25,000 18,000 17,000 18,000 15,000 19,000
Modulus of Elasticity in Flexure x 10^5 (Lengthwise) 10 10 9 11 10 11
Modulus of Elasticity in Flexure x 10^5 (Crosswise) 9 9 8 8 8 9
Impact Strength, IZOD Edgewise, ft lbs./in notch, Lengthwise 2.5 2.3 1.6 1.3 1.3 1.8
Impact Strength, IZOD Edgewise, ft lbs./in notch, Crosswise 2.3 2.2 1.4 1.2 1.2 1.8
Rockwell Hardness, M Scale 105 103 105 105 105 105
Bond Strength, lbs. 2,000 2,000 2,200 1,700 1,800 2,200
Dielectric strength---Perpendicular to laminations short time, volts/mil, 1/16" --- --- 500 --- 500 500
Dielectric strength---Perpendicular to laminations short time, volts/mil, 1/8" --- --- 360 --- 360 360
Dielectric strength---Parallel to laminations kilovolts, step by step 1/8" cond. A --- --- 45 --- 50 50
Dielectric strength---Parallel to laminations kilovolts, step by step 1/8" Cond. D 48/50 --- --- 5 --- 6 6
Dissipation Factor, 10^6 cycles---Condition A --- --- .055 --- .048 .055
Dissipation Factor, 10^6 cycles---Condition D 24/23 --- --- .070 --- .058 .070
Dielectric constant, 10^6 cycles---condition A -- -- 5.3 -- 5.3 5.3
Insulation Resistance, Megohms, Cond, C96/35/90 --- --- --- --- 30 30
Arc Resistance, seconds --- --- --- --- --- ---
Thermal Conductivity, CAL/SEC/CM2/Celcius/CM --- --- 7.0 X 10^-4 ---
Specific Heat CAL/GM/Celcius <--- --- .35 to .40 --->
Heat Resistance Farenheit, short time 320 275 300 275 300 300
Heat Resistance, Farenheit, Continuous 300 225 250 225 250 250
NEMA GRADE C C CE L LE CE
PHENOLITE GRADE C-592 C-501 CE-578 L-610 LE-675 CEF-586
Thermal Expansion in/in/F x 10^-5(Lenghwise) 1.2 1.2 1.2 1.0 1.4 1.1
Thermal Expansion in/in/F x 10^-5(Crosswise) 1.2 2.7 1.3 2.0 1.3 1.3
Water Absirotuib % 24 hours 1/16 1.2 2.7 1.3 2.0 1.3 1.3
As above in 1/8" 0.8 1.6 0.9 1.4 0.8 0.9
As above in 1/2" 0.5 1.0 0.5 0.8 0.5 0.5
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