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Acetal (POM): medical-grade resins

Acetal homopolymer and copolymer grades, including tribologically modified types, typically chosen for gears, springs, clips and sliding parts in drug-delivery and diagnostic mechanisms.

24 grades from 3 manufacturers. Families included: POM, POM (homopolymer), POM (tribologically modified).

Data comes from public supplier literature (cited on each grade page). A blank cell means not stated in the source, not "no". Always confirm with the supplier's current documentation before use.
Reference only: Compiled from public manufacturer literature for reference only; it may be incomplete or outdated. Before using any grade in a device, verify the current manufacturer data sheet and complete your own testing and regulatory review.

All 24 grades

GradeMakerFamilyUSP VIISO 10993GammaEtOAutoclaveVHPFDA file
Ultraform N2320 003 PRO ATBASFPOMlimited✔limited
Ultraform S1320 003 PRO ATBASFPOMlimited✔limited
Ultraform S2320 003 PRO ATBASFPOMlimited✔limited
Ultraform W2320 003 PRO ATBASFPOMlimited✔limited
Hostaform MT 12R01CelanesePOM✔✔no✔limitedDMF, MAF
Hostaform MT 12U01CelanesePOM✔✔no✔limitedDMF, MAF
Hostaform MT 12U03CelanesePOM✔✔no✔limitedDMF, MAF
Hostaform MT 24F01CelanesePOM✔✔no✔limitedDMF, MAF
Hostaform MT 24U01CelanesePOM✔✔no✔limitedDMF, MAF
Hostaform MT 8F01CelanesePOM✔✔no✔limitedDMF, MAF
Hostaform MT 8F02CelanesePOM✔no✔limitedDMF, MAF
Hostaform MT 8R02CelanesePOM✔✔no✔limitedDMF, MAF
Hostaform MT 8U01CelanesePOM✔✔no✔limitedDMF, MAF
Hostaform MT 8U05CelanesePOM✔✔no✔limitedDMF, MAF
Hostaform MT SlideX 1203CelanesePOM✔✔no✔limitedDMF, MAF
Hostaform MT SlideX 2404CelanesePOM✔✔no✔limitedDMF, MAF
Delrin RASC655Delrin (formerly DuPont)POM (homopolymer)✔✔
Delrin RASC698Delrin (formerly DuPont)POM (homopolymer)✔✔
Delrin SC631Delrin (formerly DuPont)POM (homopolymer)✔✔
Delrin SC655Delrin (formerly DuPont)POM (homopolymer)✔✔
Delrin SC690Delrin (formerly DuPont)POM (homopolymer)✔✔
Delrin SC698Delrin (formerly DuPont)POM (homopolymer)✔✔
Ultraform S2320 003 PRO TR ATBASFPOM (tribologically modified)limited✔limited
Ultraform W2320 003 PRO TR ATBASFPOM (tribologically modified)limited✔limited

Grades by sterilization statement

The same grades, sorted by what the cited source says for each method. Not stated means the source is silent, not that the grade fails.

Gamma

Limited (6): Ultraform N2320 003 PRO AT · Ultraform S1320 003 PRO AT · Ultraform S2320 003 PRO AT · Ultraform W2320 003 PRO AT · Ultraform S2320 003 PRO TR AT · Ultraform W2320 003 PRO TR AT

Stated no (12): Hostaform MT 12R01 · Hostaform MT 12U01 · Hostaform MT 12U03 · Hostaform MT 24F01 · Hostaform MT 24U01 · Hostaform MT 8F01 · Hostaform MT 8F02 · Hostaform MT 8R02 · Hostaform MT 8U01 · Hostaform MT 8U05 · Hostaform MT SlideX 1203 · Hostaform MT SlideX 2404

Not stated (6): Delrin RASC655 · Delrin RASC698 · Delrin SC631 · Delrin SC655 · Delrin SC690 · Delrin SC698

EtO

Stated yes (24): Ultraform N2320 003 PRO AT · Ultraform S1320 003 PRO AT · Ultraform S2320 003 PRO AT · Ultraform W2320 003 PRO AT · Hostaform MT 12R01 · Hostaform MT 12U01 · Hostaform MT 12U03 · Hostaform MT 24F01 · Hostaform MT 24U01 · Hostaform MT 8F01 · Hostaform MT 8F02 · Hostaform MT 8R02 · Hostaform MT 8U01 · Hostaform MT 8U05 · Hostaform MT SlideX 1203 · Hostaform MT SlideX 2404 · Delrin RASC655 · Delrin RASC698 · Delrin SC631 · Delrin SC655 · Delrin SC690 · Delrin SC698 · Ultraform S2320 003 PRO TR AT · Ultraform W2320 003 PRO TR AT

Steam / autoclave

Stated yes (6): Delrin RASC655 · Delrin RASC698 · Delrin SC631 · Delrin SC655 · Delrin SC690 · Delrin SC698

Limited (18): Ultraform N2320 003 PRO AT · Ultraform S1320 003 PRO AT · Ultraform S2320 003 PRO AT · Ultraform W2320 003 PRO AT · Hostaform MT 12R01 · Hostaform MT 12U01 · Hostaform MT 12U03 · Hostaform MT 24F01 · Hostaform MT 24U01 · Hostaform MT 8F01 · Hostaform MT 8F02 · Hostaform MT 8R02 · Hostaform MT 8U01 · Hostaform MT 8U05 · Hostaform MT SlideX 1203 · Hostaform MT SlideX 2404 · Ultraform S2320 003 PRO TR AT · Ultraform W2320 003 PRO TR AT

VHP

Not stated (24): Ultraform N2320 003 PRO AT · Ultraform S1320 003 PRO AT · Ultraform S2320 003 PRO AT · Ultraform W2320 003 PRO AT · Hostaform MT 12R01 · Hostaform MT 12U01 · Hostaform MT 12U03 · Hostaform MT 24F01 · Hostaform MT 24U01 · Hostaform MT 8F01 · Hostaform MT 8F02 · Hostaform MT 8R02 · Hostaform MT 8U01 · Hostaform MT 8U05 · Hostaform MT SlideX 1203 · Hostaform MT SlideX 2404 · Delrin RASC655 · Delrin RASC698 · Delrin SC631 · Delrin SC655 · Delrin SC690 · Delrin SC698 · Ultraform S2320 003 PRO TR AT · Ultraform W2320 003 PRO TR AT

Grade data last checked 2026-10-16. Membership uses the same polymer grouping as the tables in MedResin's guides. About the data · Suggest a correction

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