Mitsubishi Chemical Advanced Materials Semitron™ ESd 490HR PEEK Non-sloughing and low moisture absorption

Categories:

Polymer; Thermoplastic; Polyketone; Polyetheretherketone (PEEK); Polyetheretherketone, PEEK, Unreinforced

Material Notes:

Semitron™ ESd 490HR PEEK electrostatic dissipative shapes exhibit a higher resistivity value in the 10^9 to 10^11 ohms per square range.

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Physical Properties	Metric	English	Comments

Specific Gravity	1.50 g/cc	1.50 g/cc	ASTM D792
Water Absorption at Saturation	1.65 %	1.65 %	ASTM D570 (17)

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	105	105	ASTM D785
Tensile Strength	48.0 MPa	6960 psi	ISO 527-1/-2 (7)
Compressive Yield Strength	49.0 MPa @Strain 1.00 %	7110 psi @Strain 1.00 %	ISO 604 (10)
	91.0 MPa @Strain 2.00 %	13200 psi @Strain 2.00 %	ISO 604 (10)
	146 MPa @Strain 5.00 %	21200 psi @Strain 5.00 %	ISO 604 (10)
Charpy Impact, Notched	0.100 J/cm²	0.476 ft-lb/in²	ISO 179-1/1eA

Electrical Properties	Metric	English	Comments
Surface Resistivity per Square	1.00e+10 - 1.00e+12 ohm	1.00e+10 - 1.00e+12 ohm	ANSI/ESD STM 11.11
Dielectric Constant	5.33 @Frequency 1.00e+6 Hz	5.33 @Frequency 1.00e+6 Hz	ASTM D150
Dissipation Factor	0.227 @Frequency 1.00e+6 Hz	0.227 @Frequency 1.00e+6 Hz	ASTM D150

Thermal Properties	Metric	English	Comments
CTE, linear	50.4 µm/m-°C	28.0 µin/in-°F	ASTM E-831 (TMA)
	34.0 µm/m-°C @Temperature 23.0 - 100 °C	18.9 µin/in-°F @Temperature 73.4 - 212 °F
	36.0 µm/m-°C @Temperature 23.0 - 150 °C	20.0 µin/in-°F @Temperature 73.4 - 302 °F
	63.0 µm/m-°C @Temperature >=150 °C	35.0 µin/in-°F @Temperature >=302 °F
Melting Point	340 °C	644 °F	ASTM D3418
Maximum Service Temperature, Air	249 °C	480 °F	Continuous Use Temperature in Air after 20000 hr
Deflection Temperature at 1.8 MPa (264 psi)	260 °C	500 °F	ASTM D648

Chemical Resistance Properties	Metric	English	Comments
Acids, Strong (pH 1-3)	Limited	Limited
Acids, Weak	Acceptable	Acceptable
Alcohols	Acceptable	Acceptable
Alkalies, Strong (pH 11-14)	Acceptable	Acceptable
Alkalies, Weak	Acceptable	Acceptable
Chlorinated Solvents	Acceptable	Acceptable
Continuous Sunlight	Limited	Limited
Hot Water / Steam	Acceptable	Acceptable
Hydrocarbons - Aliphatic	Acceptable	Acceptable
Hydrocarbons - Aromatic	Acceptable	Acceptable
Inorganic Salt Solutions	Acceptable	Acceptable
Ketones, Esters	Acceptable	Acceptable

Miscellaneous Properties	Metric	English	Comments
Data Sheet Region	Americas	Americas
Targeted Usage	Load + Bearing	Load + Bearing

Descriptive Properties
ESd category	Dissipative

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P1SM32M / 20124

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