POM-H (Acetal Homopolymer)
Polyoxymethylene Homopolymer — slightly stronger and stiffer than POM-C copolymer but with centerline porosity in stock shapes and lower resistance to hot water/alkalis. Trade names include Delrin (DuPont/DuPont de Nemours) and Tenac (Asahi Kasei). Used for gears, cams, springs, clips, fuel system components, and precision-machined parts where maximum stiffness is needed.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| ISO | INT | POM-H | — | REF | |
| 🇺🇸 | ASTM | USA | ASTM D6100 (acetal homopolymer) | — | 100% |
| 🇺🇸 | TRADE | USA | Delrin (DuPont) | — | 95% |
Sources: ISO 9988, ASTM D6100, DuPont TDS
Mechanical properties
Compatibility verdict
POM-H (Acetal Homopolymer) and Delrin (DuPont): 95% composition match
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