| 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 | 
| 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 | Comments | 
|---|---|---|---|
| 3A-Dairy | No | No | |
| European Food 1935/2004 | No | No | |
| FDA | No | No | |
| USP Class VI | No | No | 
| Chemical Resistance Properties | Metric | English | Comments | 
|---|---|---|---|
| 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 |