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Silicone and LSR: medical-grade resins

Silicone elastomers and liquid silicone rubber, used for seals, valves, tubing and soft-touch components.

9 grades from 3 manufacturers. Families included: LSR, Silicone.

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Reference only: Compiled from public manufacturer literature for reference only; it may be incomplete or outdated.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 9 grades

Grade	Maker	Family	USP VI	ISO 10993	Gamma	EtO	Autoclave	FDA file
Silopren LSR 4060	Momentive	LSR	✔	✔	✔	✔	✔
Silopren LSR 4080	Momentive	LSR	✔	✔	✔	✔	✔
Silopren LSR 4660	Momentive	LSR	✔	✔	✔	✔	✔
SILPURAN 6000/10 A/B	Wacker	LSR	✔	✔
SILPURAN 6000/30 A/B	Wacker	LSR	✔	✔				MF (type not stated)
SILPURAN 6000/50 A/B	Wacker	LSR	✔	✔
SILPURAN 6000/60 A/B	Wacker	LSR	✔	✔				MF (type not stated)
NuSil MED-4950	NuSil (Avantor)	Silicone						MAF
NuSil MED-6015	NuSil (Avantor)	Silicone						MAF

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.

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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Silicone and LSR: medical-grade resins

All 9 grades

Grades by sterilization statement

Gamma

EtO

Steam / autoclave

VHP