Mitsubishi Chemical Advanced Materials Semitron™ ESd 300 PET Polyethylene Terephthalate Polyester

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Mitsubishi Chemical Advanced Materials Semitron™ ESd 300 PET Polyethylene Terephthalate Polyester
Categories:	Polymer; Thermoplastic; Polyester, TP; Polyethylene Terephthalate (PET); PET-P Polyester, Extruded
Material Notes:	Semitron™ ESD 300 PET shapes are characterized by their excellent thermal performance, superior chemical resistance, consistent electrical properties, outstanding dimensional stability and abrasion resistance, minimal moisture absorption, and their low coefficient of linear thermal expansion.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.39 g/cc	1.39 g/cc	ASTM D792
Water Absorption at Saturation	0.120 %	0.120 %	ASTM D570 (17)

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	101	101	ASTM D785
Tensile Strength	87.0 MPa	12600 psi	ISO 527-1/-2 (7)
Flexural Strength	108 MPa	15700 psi	ISO 178 (12)
Compressive Yield Strength	34.0 MPa @Strain 1.00 %	4930 psi @Strain 1.00 %	ISO 604 (10)
	67.0 MPa @Strain 2.00 %	9720 psi @Strain 2.00 %	ISO 604 (10)
	113 MPa @Strain 5.00 %	16400 psi @Strain 5.00 %	ISO 604 (10)
Charpy Impact, Notched	0.120 J/cm²	0.571 ft-lb/in²	ISO 179-1/1eA

Electrical Properties	Metric	English	Comments
Surface Resistivity per Square	1.00e+6 - 1.00e+9 ohm	1.00e+6 - 1.00e+9 ohm	ANSI/ESD STM 11.11

Thermal Properties	Metric	English	Comments
CTE, linear	55.8 µm/m-°C	31.0 µin/in-°F	ASTM E-831 (TMA)
	65.0 µm/m-°C @Temperature 23.0 - 60.0 °C	36.1 µin/in-°F @Temperature 73.4 - 140 °F
	85.0 µm/m-°C @Temperature 23.0 - 100 °C	47.2 µin/in-°F @Temperature 73.4 - 212 °F
Melting Point	255 °C	491 °F	ASTM D3418
Maximum Service Temperature, Air	98.9 °C	210 °F	Continuous Use Temperature in Air after 20000 hr
Deflection Temperature at 1.8 MPa (264 psi)	116 °C	240 °F	ASTM D648

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

Descriptive Properties
ESd category	Dissipative

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

P1SM906 / 291063

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