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PEEK: medical-grade resins

Semi-crystalline PEEK supplied as molding resin and as stock shapes for machining, used for instrument components and other high-temperature, chemically demanding parts.

8 grades from 5 manufacturers. Families included: PEEK, PEEK (stock shapes).

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Reference only: Compiled from public manufacturer literature for reference only; it may be incomplete or outdated.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 8 grades

GradeMakerFamilyUSP VIISO 10993GammaEtOAutoclaveVHPFDA file
VESTAKEEP Care M20 GEvonikPEEK✔✔✔✔✔
VESTAKEEP Care M33 G-HPEvonikPEEK✔✔✔✔✔
VESTAKEEP Care M40 GEvonikPEEK✔✔✔✔✔
VESTAKEEP M4GEvonikPEEK✔✔
PEEK-OPTIMA (family)Invibio (Victrex)PEEK✔✔✔
Zeniva ZA-600Syensqo (Solvay)PEEK✔✔✔✔MAF
VICTREX PC (family)VictrexPEEK✔
TECAPEEK MT naturalEnsingerPEEK (stock shapes)✔✔✔✔

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

Stated yes (6): VESTAKEEP Care M20 G · VESTAKEEP Care M33 G-HP · VESTAKEEP Care M40 G · PEEK-OPTIMA (family) · Zeniva ZA-600 · TECAPEEK MT natural

Not stated (2): VESTAKEEP M4G · VICTREX PC (family)

EtO

Stated yes (5): VESTAKEEP Care M20 G · VESTAKEEP Care M33 G-HP · VESTAKEEP Care M40 G · PEEK-OPTIMA (family) · Zeniva ZA-600

Not stated (3): VESTAKEEP M4G · VICTREX PC (family) · TECAPEEK MT natural

Steam / autoclave

Stated yes (6): VESTAKEEP Care M20 G · VESTAKEEP Care M33 G-HP · VESTAKEEP Care M40 G · PEEK-OPTIMA (family) · Zeniva ZA-600 · TECAPEEK MT natural

Not stated (2): VESTAKEEP M4G · VICTREX PC (family)

VHP

Not stated (8): VESTAKEEP Care M20 G · VESTAKEEP Care M33 G-HP · VESTAKEEP Care M40 G · VESTAKEEP M4G · PEEK-OPTIMA (family) · Zeniva ZA-600 · VICTREX PC (family) · TECAPEEK MT natural

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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