Phenolic Techincal Data

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Properties	NEMA grade reinforcement~ resin binder	FR4 glass~ epoxies	FR5 glass~ epoxy HT	G9 glass~ melamine	G7 glass~ silicone	GP0 1 glassmat~ polyester	GP03 glassmat~ polyester	X paper~ phenolic	XX paper~ phenolic	XXX paper~ phenolic	C, CE canvas~ phenolic	L, LE linen~ phenolic
Tensile Strength
lengthwise, PSI		40,000	40,000	37,000	23,000	12,000	11,000	20,000	16,000	15,000	9,500	12,500
crosswise, PSI		35,000	35,000	30,000	18,000	-	-	16,000	13,000	12,000	7,500	8,750
Compressive Strength
flatwise, PSI		60,000	60,000	70,000	45,000	40,000	30,000	36,000	34,000	32,000	37,000	37,000
edgewise, PSI		35,000	35,000	25,000	14,000	-	-	19,000	23,000	25,500	23,500	25,000
Flexural Strength
lengthwise, PSI		55,000	55,000	55,000	23,000	23,000	20,000	25,000	15,000	13,500	17,000	15,000
crosswise, PSI		45,000	45,000	35,000	20,000	-	-	22,000	14,000	11,800	15,000	13,750

Properties	NEMA grade reinforcement~ resin binder	FR4 glass~ epoxies	FR5 glass~ epoxy HT	G9 glass~ melamine	G7 glass~ silicone	GP0 1 glassmat~ polyester	GP03 glassmat~ polyester	X paper~ phenolic	XX paper~ phenolic	XXX paper~ phenolic	C, CE canvas phenolic	L, LE linen~ phenolic
Modulus of Elasticity in flex
lengthwise, PSI x 10 ⁶		2.7	2.7	2.5	1.4	-	-	1.8	1.4	1.3	.95	1.05
crosswise, PSI x 10 ⁶		2.2	2.2	2.0	1.2	-	-	1.3	1.1	1.0	.85	.85
Shear Strength, PSI		19,000	19,000	20,000	17,000	-	-	12,000	11,000	10,000	11,500	11,750
IZOD Impact
flatwise, ft lb per inch of notch		7	7	12	8.5	-	-	4	1.3	1	3.2,2.3	2.5,1.8
edgewise, ft lb per inch of notch		5.5	5.5	8	7.5	-	-	0.5	0.35	0.35	1.9,1.4	1.1, 1
Rockwell Hardness M scale		110	110	120	100	-	-	110	105	110	104	105
Specific Gravity		1.82	1.82	1.9	1.68	1.8	1.85	1.36	1.34	1.32	1.35	1.34
Coefficient of Thermal Expansion
cm/cm/ deg C x 10 ^-5		.9	.9	1	1	-	-	6	2	1.4	2	2

Properties	NEMA grade reinforcement~ resin binder	FR4 glass~ epoxies	FR5 glass~ epoxy HT	G9 glass~ melamine	G7 glass~ silicone	GP0 1 glassmat~ polyester	GP03 glassmat~ polyester	X paper~ phenolic	XX paper~ phenolic	XXX paper~ phenolic	C, CE canvas phenolic	L, LE linen~ phenolic
Water Absorption
.062" thick, % per 24 hrs		0.25	0.25	0.8	0.3	0.35	0.4	6	2	1.4	2.2	2.5
.125" thick, % per 24 hrs		0.15	0.15	0.7	0.2	-	-	3.3	1.3	0.95	1.6	1.6
.500" thick, % per 24 hrs		0.10	0.10	0.4	0.15	-	-	1.1	0.55	0.45	0.75	0.7
Dielectric Strength, volt/mil
perpendicular to laminations; short
.062" thick		500	500	400	400	370	400	700	700	650	200\500	200\500
.125" thick		400	400	350	350	-	-	500	500	470	150\360	150\360
Dissipation Factor
condition A, 1 megacycle		0.025	0.025	0.017	0.003	-	-	0.06	0.045	0.038	0.1,.055	0.1,.055
Dielectric Constant
condition A, 1 megacycle		5.2	5.2	7.12	4.2	-	-	6	5.5	5.3	5.8	5.8

Properties	NEMA grade reinforcement~ resin binder	FR4 glass~ epoxies	FR5 glass~ epoxy HT	G9 glass~ melamine	G7 glass~ silicone	GP0 1 glassmat~ polyester	GP03 glassmat~ polyester	X paper~ phenolic	XX paper~ phenolic	XXX paper~ phenolic	C, CE canvas phenolic	L, LE linen~ phenolic
Insulation Resistance
Condition: 96 hours at 90% relative humidity (in mega ohms)		200,000	200,000	10,000	200,000	-	-	-	-	-	-	-
Flame Resistance
Underwriter Labs, Classification		94V-0	94V-0	94V-0	94V-0	94HB	94V-0	94HB	94HB	94HB	94HB	94HB
Bond Strength, in lbs		2,000	1,600	1,700	650	-	-	700	800	950	1,800	1,600
Max Continuous Operating Temperature All Phenolics can withstand -100º F
Approximate degrees F		285	300	285	465	265	265	285	285	285	265	265