POM Material in Vertical Injection Molding resource illustration

POM Material in Vertical Injection Molding

A practical guide to POM material for vertical injection molding, including precision part applications, molding considerations, and machine review points.

2026-07-11 - 6 min material note - Category: Engineering Plastics

POM, also known as acetal, is an engineering thermoplastic often used for precision components, mechanical parts, gears, bushings, clips, and filter-related components. It is selected when dimensional stability and low-friction behavior are important.

In vertical injection molding, POM may be relevant for insert molding or components where precise placement and stable clamping are needed.

The image above is an illustrative material concept, not a photo of a Deboge machine or a verified customer project.

Typical Applications

POM is often considered for mechanical components, filter parts, small precision parts, clips, and molded parts with inserts. Related application pages include Insert Molding and Filters Molding.

Molding Considerations

Review material grade, drying or storage guidance from the supplier, mold temperature, shrinkage, gate design, wall thickness, insert placement, and ejection method. Precision parts may require close attention to dimensional stability and mold design.

Common Production Challenges

Common POM challenges include dimensional variation, warpage, sink marks, short shots, and part-removal issues. These can come from mold design, process settings, material grade, or part geometry.

If POM is used with filter media or another insert, the insert placement method should be reviewed before choosing fixed platen, slide table, or rotary table operation.

Machine Configuration Notes

DA Series Standard Vertical Injection Molding Machines are a general starting point for vertical molding discussions. Fixed platen machines may fit straightforward precision parts, while table movement should be reviewed if inserts or filter media are loaded manually.

Final machine selection should be confirmed from the exact POM grade, part design, mold dimensions, and production target.

FAQ

Material review questions

What is POM commonly used for?
POM is commonly considered for precision mechanical parts, gears, bushings, clips, and components that require dimensional stability and low friction. Final suitability depends on the specific grade and product requirements.
What should be reviewed for POM molding?
Review material grade, mold temperature guidance, part thickness, gate design, shrinkage expectations, and whether inserts or filter media must be loaded before molding.
Is POM always a precision-part material?
POM is often selected for precision and mechanical applications, but final part accuracy depends on material grade, mold design, process control, and part geometry.

Need material-specific machine advice?

Send the exact material grade, product drawing, insert or substrate details, mold layout, and production target so Deboge can review the machine configuration discussion.