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NUMASCIENTIFIC

Stoppers

Butyl (bromobutyl) rubber stoppers for vials, in standard, sterile ready-to-use and lyophilization styles. Cure system, extractables and compatibility for a specific stopper are confirmed from the supplier documentation on request.

RTU: ready-to-use (RTU) stoppers are supplied sterile and prepared for use. Some suppliers and buyers call the same condition ready-to-fill (RTF).

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