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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).
All 8 grades
| Grade | Maker | Family | USP VI | ISO 10993 | Gamma | EtO | Autoclave |
|---|---|---|---|---|---|---|---|
| VESTAKEEP Care M20 G | Evonik | PEEK | ✔ | ✔ | ✔ | ✔ | ✔ |
| VESTAKEEP Care M33 G-HP | Evonik | PEEK | ✔ | ✔ | ✔ | ✔ | ✔ |
| VESTAKEEP Care M40 G | Evonik | PEEK | ✔ | ✔ | ✔ | ✔ | ✔ |
| VESTAKEEP M4G | Evonik | PEEK | ✔ | ✔ | |||
| PEEK-OPTIMA (family) | Invibio (Victrex) | PEEK | ✔ | ✔ | ✔ | ||
| Zeniva ZA-600 | Syensqo (Solvay) | PEEK | ✔ | ✔ | ✔ | ✔ | |
| VICTREX PC (family) | Victrex | PEEK | ✔ | ||||
| TECAPEEK MT natural | Ensinger | PEEK (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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