Rubber Stoppers & Seals

Various Specs · Multi-Material · Custom

From solid stoppers to O-rings, covering all lab sealing needs. Available in NR, VMQ, NBR, FKM, EPDM for sealing performance, temperature resistance, and chemical compatibility.

NR / VMQ / NBR / FKM / EPDM -60~250°C Chemical Resistant

7 Products

Multi-material Options

Custom Available

Product Series

Full Product Range

Click cards for details, bulk orders and customization available

Solid Rubber Stopper

000#~24#, Dia. 3~150mm NR / VMQ / NBR / FKM / EPDM

Usage: Glassware sealing, test tube closure

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Hollow Rubber Stopper

000#~10#, with center hole NR / VMQ / NBR / FKM

Usage: Pass glass tubing through, distillation/gas transfer

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Bored Rubber Stopper

000#~10#, 1~3 holes, dia. 3~12mm NR / VMQ / NBR

Usage: Multiple glass tubes passing through, distillation setups

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Ground Joint Stopper (Rubber)

14/19 · 19/26 · 24/29 · 29/32 VMQ / FKM

Usage: Replacement for standard ground joint glassware

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O-Ring Seal

ID 5~500mm, CS 1.8~8mm NBR / VMQ / FKM / EPDM

Usage: Glassware joints, tubing connections sealing

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Flat Washer / Gasket

OD 10~200mm, Thickness 1~5mm NBR / VMQ / EPDM

Usage: Cap sealing, flange connections, vial septa

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Rubber Stopcock

For glass stopcock NBR / FKM

Usage: Replacement seal for glass stopcocks

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Need Rubber Stoppers & Seals?

Contact our team for pricing and inventory. Custom materials, specifications, and bulk orders available.

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