Quadrant EPP Semitron® ESd 225 POM-C, static dissipative, extruded (ISO Data)

Category	Polymer , Thermoplastic , Acetal (POM) , Acetal Copolymer, Unreinforced
Manufacturer	Quadrant Engineering Plastics Products
Trade Name	Semitron®
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Quadrant EPP Semitron® ESd 225 POM-C, static dissipative, extruded (ISO Data).pdf
Price	EMAIL US sales@lookpolymers.com
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Material Notes:

Semitron ESd 225 is an acetal based static dissipative material ideal for material handling operations. It is also an excellent choice for fixturing used in the manufacturing of hard disk drives or for handling in-process silicon wafers Surface resistivity: 1010 - 1012 ohms/sq. Thermal performance to 107 °C (225 °F) Good wear resistance

Physical Properties	Metric	English	Comments
Density	1.33 g/cc	0.0480 lb/in³	ISO 1183-1
Moisture Absorption at Equilibrium	0.80 %	0.80 %	50% RH
Water Absorption at Saturation	10 %	10 %

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	106	106	ISO 2039-2
Hardness, Shore D	75	75
Ball Indentation Hardness	70.0 MPa	10200 psi	ISO 2039-1
Tensile Strength	38.0 MPa	5510 psi	at Break (NYP); ISO 527-1/-2
Elongation at Break	15 %	15 %	ISO 527-1/-2
Tensile Modulus	1.50 GPa	218 ksi	ISO 527-1/-2
Flexural Strength	50.0 MPa	7250 psi
Compressive Strength	14.0 MPa @Strain 1 %	2030 psi @Strain 1 %	ISO 604
	25.0 MPa @Strain 2 %	3630 psi @Strain 2 %	ISO 604
	38.0 MPa @Strain 5 %	5510 psi @Strain 5 %	ISO 604
Charpy Impact Unnotched	NB	NB	ISO 179-1/1eU
Charpy Impact, Notched	0.800 J/cm²	3.81 ft-lb/in²	ISO 179-1/1eA

Thermal Properties	Metric	English	Comments
CTE, linear	150 µm/m-°C @Temperature 23.0 - 100 °C	83.3 µin/in-°F @Temperature 73.4 - 212 °F
Melting Point	165 °C	329 °F	DSC, 10°C/min.; ISO 11357-1/-3
Maximum Service Temperature, Air	90.0 °C	194 °F	Continuous
Deflection Temperature at 1.8 MPa (264 psi)	107 °C	225 °F	ASTM D648
Flammability, UL94	HB	HB
Oxygen Index	<= 20 %	<= 20 %	ISO 4589-1/-2

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.0e+9 - 1.0e+11 ohm-cm	1.0e+9 - 1.0e+11 ohm-cm	IEC 60093
Surface Resistivity per Square	1.0e+9 - 1.0e+11 ohm	1.0e+9 - 1.0e+11 ohm	IEC 60093

Compliance Properties	Metric	English
3A-Dairy	No	No
European Food 1935/2004	No	No
FDA	No	No
USP Class VI	No	No

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

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