Thermoset Laminate Properties

thermoset laminate properties

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	4.4,2.2	2.5,1.95
.125" thick, % per 24 hrs		0.15	0.15	0.7	0.2	-	-	3.3	1.3	0.95	2.5,1.6	1.6,1.3
.500" thick, % per 24 hrs		0.10	0.10	0.4	0.15	-	-	1.1	0.55	0.45	1.2,0.75	0.9,0.7
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
Approximate degrees F		285	300	285	465	265	265	285	285	285	265	265

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
Acculam tradenames		Epoxyglas	EpoxyglasHT	Melaglas	Siliglas	Polymat-1	Polymat-3	Phenolkraft	Phenolkraft	Phenolkraft	Phenolfab	Phenolfab
Acculam grades		G10,FR4	G11,FR5	G5,G9	G7	GP0-1	GPO-3	X	X,XX	XX,XXX	C,CE	L,LE

sheet mil spec: Mil-I-24768 / _ _		27	28	1	17	4	6	12	11	10	14	13
types		GEE-F	GEB-F *	GME	GSG	GPO1	GPO3	PBM	PBG	PBE	FBG	FBE
The above information is provided for informational purposes only. Accurate believes this data to be reliable but disclaims any liability for damages or injury which results from the use of this data and nothing contained herein shall constitute a guarantee, warranty (including warranty of merchantability) or representation (including freedom from patent liability) by Accurate Plastics with respect to the data, the products described, or their use for any particular purpose, even if that purpose is known to Accurate Plastics.

18 Morris Place, Yonkers, NY 10705
P. O. Box 2287, Weirton, WV 26062
33 Tech Park Drive, Falmouth, MA 02536

phone 800-431-2274, fax 914-476-0533
phone 800-445-1884, fax 304-723-1625
phone 800-222-8759, fax 508-457-9275

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