General Properties of Fibre:

		THICKNESS (inches)	UNITS	COMMERCIAL	BONE	FYBEROID
MECHANICAL PROPERTIES
DENSITY SPECIFIC VOLUME		1/16 1/16	grams/cc cu. in. /lb.	1.20 23.0	1.32 21.0	1.20 23.0
Tensile Strength	MD CD	1/16	psi	18,000 9,000	19,000 9,500	21,000 10,000
Modulus of Elasticity in Tension	MD CD	1/16	psi x 10	12 8	12 8	12 8
Flexural Strength	MD CD	1/16	psi	26,000 16,000	28,000 16,000	29,000 16,000
Compressive Strength		1/16	psi	35,000	35,000	35,000
Impact Strength, Izod, Edgewise	MD CD	1/16	ft-lbs/ in.notch	2.0 1.8	1.4 1.0	2.5 2.0
Hardness, Rockwell, R Scale		1/16	Divisions	80	100	70
Bond Strength, ASTM D-952		1/16	psi	900	1,500	900
Bursting Strength, Mullen		1/64	psi	—	—	325
Tear Strength, Elmendorf	MDCD	1/64	grams	— —	— —	550 700
ELECTRICAL PROPERTIES
Dielectric Strength, Short Time		1/64 1/16 1/8	volts/mil	230 200 195	— 200 200	400 215 200
Arc Resistance, ASTM D-495		1/16	seconds	80	100	125
Thermal Conductivity, 149°F			Btu/hr/ ft.2/°F./ft	.168	.168	.168
PHYSICAL PROPERTIES
Specific Heat			Btu/lb./°F	.403	.403	.403
Heat Resistance, Continuous*			°F	221	221	221
Thermal Expansion x 10-5	MD CD		in /in./°F	1.1 1.7	1.1 1.7	1.1 1.7
Dimensional Change, Thickness per Percent Change in Moisture Content	MD DC		%	1.00 0.10 0.25	1.00 0.10 0.25	1.00 0.10 0.25
Water Absorption, 24 Hours		1/16	%	66.0	55.0	63.0
Coefficient of Friction Fibre on Fibre  Fibre on Smooth Cast Iron				0 .16 0.21	0 .16 0.21	0 .16 0.21
Flammability, ASTM D-635		1/16	in/mm	0.5	0 .5	0 .5

Nylon • Ohmoid Phenolics • Fibre • Delrin