Physical Properties for Excelon™ Polycarbonate Tubing

Made of FDA-Approved materials
UL rated
Clear as glass
High tensile range
High impact strength, even at low temperatures
Excellent high temperature resistance
Flame resistant
Self-extinguishing
Can be machined, drilled, cut, and sawed
Easily joined with solvents or adhesives

Physical Properties
Property	ASTM Method	Excelon PC
Specific Gravity	D 792	1.20
Refractive Index @ 25°C	-	1.586
Rockwell Hardness	D 785	Scale M 73-78 Scale R 121-125
Abrasion Resistance Taber Abraser with CS-17 Wheel	D 1Q44	10mg/1,000 cycles
Impact strength, notched Izod 1/8" specimen, ft-lb/in of notch	D 256	15-17
Impact strength, Unnotched Izod 1/8" specimen, ft-lbs/in	D 256	>60
Tensile-impact ft-lbs/in³	D 1822	250
Tensile-Yield Strength, psi	D 638	7,000 to 9,000
Tensile-Ultimate Strength, psi	D 638	9,000 to 11,500
Tensile Modulus, psi	D 638	300,000 to 350,000
Elongation	D 638	100 to 130
Compressive Strength, psi	D 695	12,500
Compressive Modulus, psi	D 695	345,000
Flexural Strength, psi	D 790	12,000 to 12,700
Flexural Modulus, psi	D 695	320,000 to 350,000
Shear-Yield Strength, psi	D 732	6,000
Shear-ultimate Strength, psi	D 732	10,000
Light transmission (1/8" thick disc)	-	88% to 90%
Water-vapor Permeability cm³/STP/mm/soc/cm³/cmHG	-	14.0 x 10¹³
Modulus of Rigidity, psi	-	116,000
Deformation under load, 4,000 psi 77°F 158°F	D 621	0.2%
Water Absorption, 24 hours		0.3%
Submersion	D 570	0.15%
Equilibrium 73°F	D 570	0.35%

Thermal Properties
Property	ASTM Method	Excelon PC
Heat-Deflection Temperature °F	D 648	264 psi: 275-285
Thermal Conductivity, cal/sec/cm³	-	4.6 x 10¹⁴
Coefficient of Linear Thermal Expansion in/in/°F -30°C to 30° C, in/in/°C	D 696	3.75 x 10^-5 6.6 x 10^-5
Flammability	D 635	Self-extinguishing
Brittle Temperature	D 745	< -215°C

Electrical Properties
Property	ASTM Method	Excelon PC
Dielectric Constant		-30°C	-3°C	23°C	100°C	125°C
60 cycles	D 150	3.10	3.14	2.99	3.15	3.13
10⁶ cycles	D 150		2.95
Power Factor
60 cycles	D 150	0.005	0.0004	0.0009	0.0009	0.0011
10⁶ cycles	D 150		0.010
Volume Resistivity, ohm-cm	-	>10¹⁷	>10¹⁷	2.1 x 10¹⁶	2.1 x 10¹⁵	2.7 x 10¹⁷
Arc Resistance, Stainless-steel strip electrodes	D 495	10 to 12 sec
Arc Resistance, Tungsten electrodes	D 495	30 sec
Dielectric Strength, short time		26°C		100°C
Dielectric Strength, short time		400V / mil @ 125.0 mil		(The step-by-step values are the same as the short time values for the 125-mil pieces)

Data shown are average values and should not be used for specifications.

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Title: Physical Properties for Excelon™ Polycarbonate Tubing
Description: Physical, Mechanical, Electrical and Thermal Typical Properties.
Published: 1/30/2009
Last Edited: 1/18/2023

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