Conductive Acetal Copolymer (CN-F)

MATERIAL DATA SHEET The information contained herein is typical and intended for REFERENCE USE ONLY. This information should NOT be used as a basis for design, manufacturing or quality assurance purposes. Please contact us for complete, manufacturer-approved material property data sheets. All values below are at 72°F (23°) unless otherwise noted.

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Conductive Acetal Copolymer (CN-F) Specifications

Description

Non-sloughing carbon-fiber-filled material which is extremely strong and stiff with excellent dimensional stability. Abrasion-resistant, highly chemicalresistant, with temperature resistance to 320° F.

Applications

Disk drive assembly fixtures • Semiconductor/electronic components • Telecommunication hardware • Automotive equipment

Advantages of Conductive Acetal Copolymer (CN-F)

Low outgassing • Consistent resistivity values • Ease of machining • Good chemical resistance

Manufacturing Capabilities

Rod: 1/8” to 4” diameter • Sheet: 1/4” to 4” thick

Color/Grades

Black

Typical Properties of Conductive Acetal Copolymer (CN-F)

	Units	ASTM Test	Result
Mechanical Properties
Tensile Strength @yeild	psi	D638	11,900
Tensile Elongation @break	%	D638	3.5
Flexural Strength	psi	D790	14,300
Flexural Modulus	psi	D790	1,225,000
Izod Impact Strength Notched	ft·lbs/in	D256	1.0
Izod Impact Strength Un-notched	ft·lbs/in	D256	3.5
Hardness-Shore D	-	D2240	88
Thermal Properties
Heat Deflection Temp. @264 psi	°F	D648	320
Heat Deflection Temp. @66 psi	°F	D648	-
Coefficient of Thermal Expansion	in/in/°F	D696	-
Thermal Conductivity	(BTU•in)/(hr•ft2•°F)	-	-
Flam. Rating-UL94	-	-	HB
Electrical Properties
Surface Resistivity dry	ohm/sq	D257	102 - 106
Volume Resistivity dry	ohm/cm	D257	103 - 107
Static decay 15% RH	seconds	Mil-B-81705-B	<0.1
Other Properties
Specific Gravity	-	D792	1.46
Water Absorption @24 hours	%	D570	0.22