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Silopren LSR 4050

Momentive · LSR · Silicone and LSR

Last verified: 2026-10-20 against the cited manufacturer source · Changelog

Silopren LSR 4050 is a LSR grade from Momentive. The cited source lists it as compatible with gamma, EtO and steam/autoclave sterilization. Source

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Reference only: Compiled from public manufacturer literature for reference only; it may be incomplete or outdated.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.
USP VI✔
ISO 10993✔
Gamma✔
EtO✔
Autoclave✔
VHPnot stated
FDA master filenot stated

REACH SVHC: see the Momentive SVHC note.

Data note: Momentive TDS: biocompatible USP Class VI and ISO 10993 (parts 5, 6, 10, 11); sterilizable with EtO, steam and gamma. Regulatory section: tests were run on "a representative sample of an analogous product" (USP Class VI, max. 29 days tissue contact) (checked 2026-10-20).
Related: All Silicone and LSR grades · LSR family · Gamma-compatible grades · EtO-compatible grades · Autoclave-compatible grades · USP Class VI plastics list · ISO 10993 tested plastics · Gamma sterilization guide · Autoclave guide

Source: https://www.momentive.com/content/dam/momentive/en-us/products/tds/silopren/silopren-lsr-4050.pdf

Last verified: 2026-10-20 · How we source data · Changelog · Suggest a correction