Wire, Cable and Tubing Solutions from Alpha Wire Company

TECHNICAL DATA
INSULATION AND JACKETING MATERIALS PROPERTIES

INSULATION MATERIALS PROPERTIES CHART
PROPERTIES	TEFZEL ETFE	NATURAL RUBBER	HYPALON	NEOPRENE	SILICONE	POLYURETHANE
1 Abrasion Resistance	Good	Excellent	Good	Excellent	Fair	Excellent
2 Heat Resistance	Excellent	Fair	Excellent	Good	Excellent	Good
3 Weatherability	Good	Fair	Excellent	Good	Excellent	Good
4 Flame Retardancy	Excellent	Poor	Good	Good	Good	Good
5 Water Resistance	Excellent	Good	Good	Excellent	Excellent	Good
6 Acid Resistance	Excellent	Fair	Excellent	Good	Good	Fair
7 Alkali Resistance	Excellent	Fair	Excellent	Good	Good	Fair
8 Aliphatic Hydro. Resis.	Excellent	Poor	Fair	Good	Poor	Good
9 Aromatic Hydro. Resis.	Excellent	Poor	Fair	Fair	Poor	Poor

PROPERTIES	ASTM METHOD	TEFZEL ETFE	NATURAL RUBBER	HYPALON	NEOPRENE	SILICONE	POLY- URETHANE
1 Specific Gravity	D-792-66	1.70-1.86	1.3-1.7	1.35-1.7	1.23-1.65	1.1-1.6	1.30
2 Tensile Strength, psi	D-638-77	6500	1500-4000	1200-2200	1200-2700	1000	>3500
3 Elongation, %	D-412-75	200	300-700	300-600	300-700	100-500	540-750
4 Volume Resistivity , ohm-cm	D-257-78	>10¹⁶	10¹³-10¹⁶	10¹²-10¹⁴	10¹¹-10¹³	2 x 10¹⁴ 8 x 10¹³	11 x 10¹⁴
5 Dielectric Strength, volts/mil	D-149-75	500	---	500	600	100-700	330-630
6 Dielectric Constant @ 60 Hz	D-150-78	2.6	---	---	---	---	5.4-7.6
7 Dielectric Constant @ 1 kHz	D-150-78	2.6	2.3-3.0	9.0-11.0	5.0-7.0	3.0-3.5	5.6-7.6
8 Power Factor (Dissipation) @ 60 Hz	D-150-78	---	---	---	---	---	0.015-0.046
9 Power Factor (Dissipation) @ 1 kHz	D-150-78	0.0006	.00023- .00030	0.05-0.07	3.5	0.001-0.010	0.043-0.060

The above chart reflects a qualitative comparison of insulating properties and should be used as a general guide only.
For specific compound information, consult Alpha's Engineering Staff.
Note: All values shown are nominal.

XTRA•GUARD® CHEMICAL RESISTANCE CHART
	Kerosene	JP-4	JP-5	Alcohols	MEK	Hydrochloric Acid (10%)	Sulfuric Acid (10%)	Acetone	Carbon Tetrachloride	TriChlor ethylene	Chlorine (Wet)
XTRA•GUARD® 1	P	P	P	G	P	E	G	P	F	P	G
XTRA•GUARD® 2	F	P	P	F	P	F	F	P	P	P	P
XTRA•GUARD® 3	G	P	P	G	P	G	G	P	F	P	P
XTRA•GUARD® 4	F	P	P	G	P	G	G	P	F	P	P
XTRA•GUARD® 5	E	E	E	E	E	E	E	E	E	E	E

This chart is to be used as a general reference guide only, for casual exposure at room temperature. These recommendations are based upon test results believed reliable. Alpha Wire does not guarantee the results to be obtainable in all instances.

E = Excellent	G = Good
F = Fair	P = Poor

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