POM Powder (Polyoxymethylene (Acetal))
POM (acetal) powder is supplied in free-flowing form for precision coating, sintering, and component processing. It offers low friction, high stiffness, and excellent dimensional stability well suited to tight-tolerance parts. Typical particle size ranges from roughly 20 to 200 µm depending on grade; particle size and specific grade are confirmed at time of quotation.
~165°CMelting / Softening Point
20–200 µmParticle Size Range
Custom Made-to-OrderGrade, Size & Quantity
WorldwideExport Shipping
POM Powder — Grades & Specifications
Polyoxymethylene (Acetal) (POM) powder is supplied across a range of grades, particle sizes and morphologies. The options below are typical; specify your target values in the request form and we will confirm availability, lead time and pricing.
| Material | Polyoxymethylene (Acetal) (POM) |
|---|---|
| Category | Engineering & Commodity Plastic Powders |
| CAS number | 9002-81-7 |
| Melting / softening point | Approx. 165°C (homopolymer); copolymer grades ~163–166°C |
| Particle size | Micronized/powder grades commonly 20–200 µm |
| Morphology | Fine free-flowing powder |
| Appearance | White to off-white free-flowing powder |
| Max. continuous service temperature | Approx. 80°C continuous (up to ~100°C short-term) |
| Typical applications | Precision Gears & Bearings, Automotive Fuel Systems, Consumer Electronics Housings, Plumbing & Fluid Fittings |
Applications by Industry
Precision Gears & BearingsUsed in low-friction gear and bearing components requiring tight tolerances and long-term wear resistance.
Automotive Fuel SystemsApplied in fuel system components and small mechanical parts needing chemical resistance and dimensional stability.
Consumer Electronics HousingsMolded into clips, connectors and small housings for consumer electronics and appliance assemblies.
Plumbing & Fluid FittingsUsed in valves, fittings and pump components exposed to water and mild chemical media.
Medical Device ComponentsSelected for precision medical device parts requiring low moisture absorption and stable dimensions.
Zipper & Fastener HardwareProcessed into sliders, buckles and fastener hardware needing smooth, low-friction surface performance.
Particle Size & Mesh Conversion
Reference for converting between US mesh and microns/millimetres. Figures are nominal sieve openings and may vary slightly by standard.
| Mesh (US) | Micron (µm) | mm | Inch | Remarks |
|---|---|---|---|---|
| 3 | 6730 | 6.730 | 0.2650 | |
| 4 | 4760 | 4.760 | 0.1870 | |
| 5 | 4000 | 4.000 | 0.1570 | |
| 6 | 3360 | 3.360 | 0.1320 | |
| 7 | 2830 | 2.830 | 0.1110 | |
| 8 | 2380 | 2.380 | 0.0937 | |
| 10 | 2000 | 2.000 | 0.0787 | |
| 12 | 1680 | 1.680 | 0.0661 | |
| 14 | 1410 | 1.410 | 0.0555 | |
| 16 | 1190 | 1.190 | 0.0469 | |
| 18 | 1000 | 1.000 | 0.0394 | |
| 20 | 841 | 0.841 | 0.0331 | |
| 25 | 707 | 0.707 | 0.0278 | |
| 30 | 595 | 0.595 | 0.0234 | |
| 35 | 500 | 0.500 | 0.0197 | |
| 40 | 420 | 0.420 | 0.0165 | |
| 45 | 354 | 0.354 | 0.0138 | |
| 50 | 297 | 0.297 | 0.0117 | |
| 60 | 250 | 0.250 | 0.0098 | |
| 70 | 210 | 0.210 | 0.0083 | |
| 80 | 177 | 0.177 | 0.0070 | |
| 100 | 149 | 0.149 | 0.0059 | |
| 120 | 125 | 0.125 | 0.0049 | |
| 140 | 105 | 0.105 | 0.0041 | |
| — | 100 | 0.100 | 0.0039 | Sand |
| 170 | 88 | 0.088 | 0.0035 | |
| 200 | 74 | 0.074 | 0.0029 | |
| — | 70 | 0.070 | 0.0027 | |
| 230 | 63 | 0.063 | 0.0024 | Human hair |
| — | 55 | 0.055 | 0.00217 | |
| 270 | 53 | 0.053 | 0.0021 | |
| — | 50 | 0.050 | 0.00197 | |
| 325 | 44 | 0.044 | 0.0017 | |
| — | 40 | 0.040 | 0.00157 | |
| 400 | 37 | 0.037 | 0.0015 | |
| 550 | 25 | 0.025 | 0.00099 | |
| 625 | 20 | 0.020 | 0.00079 | |
| 1200 | 12 | 0.012 | 0.0005 | |
| 1250 | 10 | 0.010 | 0.000394 | |
| — | 7 | 0.007 | 0.000276 | |
| 2500 | 5 | 0.005 | 0.000197 | |
| 4800 | 3 | 0.003 | 0.000118 | |
| 5000 | 2.5 | 0.0025 | 0.000099 | Bacteria (approx.) |
| 12000 | 1 | 0.001 | 0.0000394 |
Information Required for Quotation
- Grade or type
- Particle size (micron or mesh)
- Morphology / form (spherical, irregular, granular, etc.)
- Quantity
- Application environment
- Required delivery country
Lead time depends on grade, particle size, quantity and processing requirements. Export availability can be reviewed based on destination country and material type. A Certificate of Analysis can be provided on request.
Request a Quote or Custom Order
Tell us your grade, particle size and quantity. We typically reply within one business day.
Frequently Asked Questions
What grades and particle sizes of POM powder are available?
POM (Polyoxymethylene (Acetal)) powder is supplied with particle size and grade as follows: Micronized/powder grades commonly 20–200 µm Fine free-flowing powder. Other grades can be reviewed on request depending on your application and quantity.
What particle sizes can you supply?
Micronized/powder grades commonly 20–200 µm Mesh-based requirements are also accepted; a mesh-to-micron conversion reference is provided on the page.
Can POM powder be made to custom specifications?
Yes. POM powder is produced to order — grade, particle size, morphology and packaging can be customized to your specification. Select “Custom Order” in the request form and provide your target values.
What is the minimum order quantity (MOQ)?
Order quantity is flexible and small quantities and prototype requests are welcome. Please state your required quantity in the form for an accurate quotation.
Can you export and ship POM powder internationally?
Yes, export inquiries are welcome. Availability and shipping are reviewed based on destination country, grade and quantity.
Do you provide a Certificate of Analysis (COA) or technical data?
A Certificate of Analysis and technical data can be provided on request for supplied lots.
Related Products
Request a Quote for POM Powder
Send us your grade, particle size, quantity and application. We will review availability, quotation and lead time. Small quantities, prototypes and custom made-to-order specifications are welcome.