

20mm Gray Snap-On chlorobutyl rubber vial stopper, lot labeled pack of 100 pieces.
For serum vials on this website that have a 20mm crimp finish.
QCVIALZ Catalog No. 73828A-RBUS-100
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20mm Snap-On style vial stopper, gray chlorobutyl rubber formulation.
This design provides maximum sealing for vials with a blow-back glass finish.
Manufactured in the USA.
Durometer rating: 46
Compare application and composition to competitor part number W224100-181 ( Wheaton® )
Sold as a lot labeled pack of 100 pieces
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