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Audited Supplier 1.POM90,M120,M270
Acetal copolymer
CAS NO.:24969-26-4, 1,3,5-Trioxane,polymer with 1, 3-dioxolane
Copolyformaldehyde Resin, Copolyformaldehyde , Acetal copolymer, polyxymethylene, POM(Polyacetal) CAS NO.:24969-26-4, 1,3,5-Trioxane,polymer with 1, 3-dioxolane. Copolyformaldehyde (POM) is an excellent engineering plastics, in foreign countries have "wins Steel", "super steel" is called.
2. Usage .
POM has been widely used in electronic and electrical, mechanical , instruments, daily-use light industrial, automotive, building materials, agriculture and other fields. In many new fields of applications such as medical technology, sports equipment, etc., POM has a very low coefficient of friction and good geometric stability, particularly suited to the production of gears and bearings. It also has properties as a result of high temperature, it is also used pipe device (pipe valves, pump casing), lawn equipment, etc.
3. M90 Acetal Copolymer
General Material Status Standard-flow grade, with minimized mold deposit
Features: Acid Resistant Good Abrasion Resistance High Hardness Bacteria Resistant Good Chemical Resistance High Stiffness Base Resistant Good Dimensional Stability Low Friction
Solvent Resistant Good Electrical Properties Low Warpage Fatigue Resistant Good Flow
4.Uses: Automotive Electonics Fittings Thin-walled Parts Automotive Exterior Parts Gears Valves/Valve Parts Aumomotive Under the Hood pining Wheels Bearings Pump Parts
Forms: Pellets Processing Method: Injection Molding and Extrusion
6.Notes to users:
Values shown are based on testing of laboratory test specimens and represent data that fall within the standard range of properties for natural materal. These values alone do not represent a sufficient basis for any part design and are not intened for use in establing maximum, minimum, or ranges of values for specification purposes. Colorants or other additives may cause significant variations in data valuse.
7 Material Drying :
80-90C, 3-4 hours Cylinder Temperature: Nozzle :180-210 (C) Front Section :190-210 (C) Center Section : 170-200 (C) Rear Section : 160-180 (C) Melt Temperature : 180-210 (C) Mold Temperature : 60-90 (C) (Precision parts are often molede at a mold at a mold temperature as high as 120C) Pressure : Injection Pressure : 50-100 Mpa Holding Pressure : 30-80 Mpa Back Pressure:0-0.5 MPa Screw Rotational Speed : 50-120 rpm
Recommended Extruded Conditions Standard extruders with grooved feed zone and short compression screws (min. 25 D) will fit. Melt temperature : 180-190C
Acquired Certifications of POM RoHS test PFOS test Halogen element test SVHC test DMF test EN1186btest DBT&TBT test EN71-3 test Certification W18 test Certification FDA Certification UL
| Property Item | Test Condition | Test Data | Test Method |
| Density | 1.14g/cm3 | ISO 1183 | |
| MFR | (190°C/2.16kg) | 9 g/10min | ISO 1133 |
| Tensile strength(yield) | 62Mpa | ISO 527 | |
| Tensile modulus | 2700Mpa | ISO 527 | |
| Flexural strength | 61Mpa | ISO 178 | |
| Flexural modulus | 2400Mpa | ISO 178 | |
| Elongation(yield) | 13% | ISO 527 | |
| Elongation at break | 30% | ISO 527 | |
| Notched IZOD impact strength | 7.5Kj/m² | ISO 180/1eA | |
| Charpy Notched Impact Strength | 7.5Kj/m² | ISO 179/1EA | |
| Ball-indentation hardness | (H 358/30) | 140Mpa | ISO 2039 |
| Rockwell hardness | (23°C) | 114R | ISO 2039 |
| Distortion temperature | (1.8Mpa) | 115°C | ISO 75 |
| Vicat softening point | (50N) | 150°C | ISO 306/B50 |
| Vicat softening point | (10N) | 163°C | ISO 306/A50 |
| Melting point | 172°C | ISO 3146 |
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