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WHEATON Stopper: Bromobutyl, 20 Stopper Size, 13.2 mm Bottom Dia, 20 mm Top Dia - Synthetic Rubber Stoppers
WHEATONSynthetic Rubber Stoppers

WHEATON Stopper: Bromobutyl, 20 Stopper Size, 13.2 mm Bottom Dia, 20 mm Top Dia

The WHEATON Bromobutyl Stopper (SKU 3G-OTH-382711) is a synthetic rubber stopper with a 20 stopper size, featuring a 13.2 mm bottom diameter, 20 mm top diameter, and 14.2 mm overall height in gray. It is manufactured…

SKU 3G-OTH-382711

Also listed as: W224100407 · W224100 407

Brand
WHEATON
Item
Stopper: Bromobutyl, 20 Stopper Size, 13.2 mm Bottom Dia, 20 mm Top Dia
Category
Synthetic Rubber Stoppers
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

WHEATON
Manufacturer Part Number
W224100-407
Type
Gray
Material
Bromobutyl
Color
Gray
Top Dia
20 mm
Standards
EP 3.2.1
Bottom Dia
13.2 mm
Overall Ht
14.2 mm
Stopper Size
20

Technical Documents

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WHEATON Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WHEATON Bromobutyl Stopper (SKU 3G-OTH-382711) is a synthetic rubber stopper with a 20 stopper size, featuring a 13.2 mm bottom diameter, 20 mm top diameter, and 14.2 mm overall height in gray. It is manufactured from bromobutyl material and complies with EP 3.2.1 standards (MPN W224100-407).

Frequently Asked Questions

What is the WHEATON bromobutyl stopper used for?

The WHEATON bromobutyl stopper is used to seal pharmaceutical vials and laboratory containers, providing a gas-tight and moisture-resistant closure. It is commonly applied in drug packaging, vaccine storage, and sterile compounding where material integrity and compliance with EP 3.2.1 standards are required.

What are the specifications of the WHEATON bromobutyl stopper?

This WHEATON stopper has a 20 stopper size, 13.2 mm bottom diameter, 20 mm top diameter, and 14.2 mm overall height. It is made of gray bromobutyl rubber and complies with EP 3.2.1 standards. The manufacturer part number is W224100-407.

Where to buy WHEATON bromobutyl stoppers worldwide?

3G Electric supplies WHEATON bromobutyl stoppers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this item.

How to select the correct WHEATON stopper size for a vial?

Select the stopper size that matches the vial neck finish. The WHEATON bromobutyl stopper has a 20 stopper size, meaning it fits 20 mm neck vials. Ensure the top diameter (20 mm) and bottom diameter (13.2 mm) align with your vial's dimensions for a proper seal.

Used in

Common applications for WHEATON
Environmental testing laboratories — WHEATON BOD bottles (SKU 48H604) for biochemical oxygen demand analysis of water samples.
Pharmaceutical compounding — WHEATON rectangular glass lab bottles (SKU 48H782) for storing liquid reagents and intermediates.
Cryogenic sample storage — WHEATON fiberboard cold storage boxes (SKU 6EMW3) for organizing vials in liquid nitrogen freezers.
Analytical chemistry — WHEATON glass scintillation vials (SKU 48H848) for liquid scintillation counting of radioactive samples.
Industrial quality control — WHEATON bottle top dispensers (SKU 23NC18) for dispensing precise volumes of solvents or acids.
Laboratory organization — WHEATON paper index cards (SKU 49WE10) for labeling and tracking samples in storage racks.

WHEATON Products

3G Electric supplies WHEATON synthetic rubber stoppers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
Stopper: Bromobutyl, 20 Stopper Size, 13.3 mm Bottom Dia, 18.8 mm Top Dia, 8 mm Overall Ht, Gray (MPN W988006-S)
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Stopper: Bromobutyl, 13 Stopper Size, 7.6 mm Bottom Dia, 12.5 mm Top Dia, 8.9 mm Overall Ht, Gray (MPN W988005-S)
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KIMBLE
Stopper: Bromobutyl, 20 Stopper Size, 13.3 mm Bottom Dia, 20 mm Top Dia, 12.6 mm Overall Ht, Gray (MPN 73828A-21)
Stopper: Bromobutyl, 13 Stopper Size, 7.4 mm Bottom Dia, 13 mm Top Dia, 10.3 mm Overall Ht, Gray (MPN 73828-13)
KIMBLE
Stopper: Bromobutyl, 13 Stopper Size, 7.4 mm Bottom Dia, 13 mm Top Dia, 10.3 mm Overall Ht, Gray (MPN 73828-13)
Stopper: Chlorobutyl, 20 Stopper Size, 7.6 mm Bottom Dia, 20 mm Top Dia, 8.5 mm Overall Ht, Gray (MPN 73827-21)
KIMBLE
Stopper: Chlorobutyl, 20 Stopper Size, 7.6 mm Bottom Dia, 20 mm Top Dia, 8.5 mm Overall Ht, Gray (MPN 73827-21)

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