We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

WHEATON Stopper: Bromobutyl, 20 Stopper Size, 13.27 mm Bottom Dia, 19 mm Top Dia - Synthetic Rubber Stoppers
WHEATONSynthetic Rubber Stoppers

WHEATON Stopper: Bromobutyl, 20 Stopper Size, 13.27 mm Bottom Dia, 19 mm Top Dia

The WHEATON Bromobutyl Stopper (SKU 3G-OTH-382729, MPN W988008-S) is a synthetic rubber stopper in Stopper Size 20, featuring a 13.27 mm bottom diameter, 19 mm top diameter, and 11.8 mm overall height in gray. It is…

SKU 3G-OTH-382729

Also listed as: W988008S · W988008 S

Brand
WHEATON
Item
Stopper: Bromobutyl, 20 Stopper Size, 13.27 mm Bottom Dia, 19 mm Top Dia
Category
Synthetic Rubber Stoppers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

WHEATON
Manufacturer Part Number
W988008-S
Type
Gray
Material
Bromobutyl
Color
Gray
Top Dia
19 mm
Standards
EP 2.9.19
Bottom Dia
13.27 mm
Overall Ht
11.8 mm
Stopper Size
20

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The WHEATON Bromobutyl Stopper (SKU 3G-OTH-382729, MPN W988008-S) is a synthetic rubber stopper in Stopper Size 20, featuring a 13.27 mm bottom diameter, 19 mm top diameter, and 11.8 mm overall height in gray. It is manufactured from bromobutyl material and complies with EP 2.9.19 standards.

Frequently Asked Questions

What is the WHEATON bromobutyl stopper used for?

The WHEATON bromobutyl stopper (MPN W988008-S) is used to seal pharmaceutical vials and laboratory containers. Its bromobutyl material provides low gas permeability and high chemical resistance, making it suitable for sterile drug packaging and sensitive reagent storage.

What are the specifications of the WHEATON bromobutyl stopper?

This WHEATON stopper (Stopper Size 20) has a 13.27 mm bottom diameter, 19 mm top diameter, and 11.8 mm overall height in gray. It is made of bromobutyl and complies with EP 2.9.19 standards for extractable and functional testing.

Where to buy WHEATON bromobutyl stoppers worldwide?

3G Electric supplies WHEATON bromobutyl stoppers (MPN W988008-S) worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver these stoppers to your facility, regardless of location.

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

Select the stopper size by matching the vial neck finish. The WHEATON Stopper Size 20 fits vials with a 20 mm neck opening. Verify the top diameter (19 mm) and overall height (11.8 mm) ensure proper sealing and compatibility with your crimp cap.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Stopper: Bromobutyl, 13 Stopper Size, 7.82 mm Bottom Dia, 12.7 mm Top Dia, 6.25 mm Overall Ht, Gray (MPN W988004-S)
WHEATON
Stopper: Bromobutyl, 13 Stopper Size, 7.82 mm Bottom Dia, 12.7 mm Top Dia, 6.25 mm Overall Ht, Gray (MPN W988004-S)
Stopper: Bromobutyl, 13 Stopper Size, 7.6 mm Bottom Dia, 12.5 mm Top Dia, 8.9 mm Overall Ht, Gray (MPN W988005-S)
WHEATON
Stopper: Bromobutyl, 13 Stopper Size, 7.6 mm Bottom Dia, 12.5 mm Top Dia, 8.9 mm Overall Ht, Gray (MPN W988005-S)
Stopper: Bromobutyl, 20 Stopper Size, 13.3 mm Bottom Dia, 20 mm Top Dia, 12.6 mm Overall Ht, Gray (MPN 73828A-21)
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)
Stopper: Chlorobutyl, 20 Stopper Size, 7.6 mm Bottom Dia, 20 mm Top Dia, 6.9 mm Overall Ht, Gray (MPN 73811T-21)
KIMBLE
Stopper: Chlorobutyl, 20 Stopper Size, 7.6 mm Bottom Dia, 20 mm Top Dia, 6.9 mm Overall Ht, Gray (MPN 73811T-21)

More from WHEATON

View all WHEATON parts
Stopper: Bromobutyl, 20 Stopper Size, 13.31 mm Bottom Dia, 19.05 mm Top Dia, 8.43 mm Overall Ht (MPN W988007-S)
WHEATON
Stopper: Bromobutyl, 20 Stopper Size, 13.31 mm Bottom Dia, 19.05 mm Top Dia, 8.43 mm Overall Ht (MPN W988007-S)
Stopper: Bromobutyl, 20 Stopper Size, 13.3 mm Bottom Dia, 18.8 mm Top Dia, 8 mm Overall Ht, Gray (MPN W988006-S)
WHEATON
Stopper: Bromobutyl, 20 Stopper Size, 13.3 mm Bottom Dia, 18.8 mm Top Dia, 8 mm Overall Ht, Gray (MPN W988006-S)
Stopper: Bromobutyl, 13 Stopper Size, 7.9 mm Bottom Dia, 13 mm Top Dia, 6.3 mm Overall Ht, Gray (MPN W224100-420)
WHEATON
Stopper: Bromobutyl, 13 Stopper Size, 7.9 mm Bottom Dia, 13 mm Top Dia, 6.3 mm Overall Ht, Gray (MPN W224100-420)
Stopper: Bromobutyl, 20 Stopper Size, 13.2 mm Bottom Dia, 20 mm Top Dia, 14.2 mm Overall Ht, Gray (MPN W224100-407)
WHEATON
Stopper: Bromobutyl, 20 Stopper Size, 13.2 mm Bottom Dia, 20 mm Top Dia, 14.2 mm Overall Ht, Gray (MPN W224100-407)
Stopper: Bromobutyl, 20 Stopper Size, 13.4 mm Bottom Dia, 18.8 mm Top Dia, 11.8 mm Overall Ht, Gray (MPN W224100-408)
WHEATON
Stopper: Bromobutyl, 20 Stopper Size, 13.4 mm Bottom Dia, 18.8 mm Top Dia, 11.8 mm Overall Ht, Gray (MPN W224100-408)
Stopper: Silicone, 20 Stopper Size, 13.1 mm Bottom Dia, 20 mm Top Dia, 8.38 mm Overall Ht, Colorless (MPN 224100-178)
WHEATON
Stopper: Silicone, 20 Stopper Size, 13.1 mm Bottom Dia, 20 mm Top Dia, 8.38 mm Overall Ht, Colorless (MPN 224100-178)
Stopper: Bromobutyl, 20 Stopper Size, 13.4 mm Bottom Dia, 18.75 mm Top Dia, 13.3 mm Overall Ht, Gray (MPN W224100-406)
WHEATON
Stopper: Bromobutyl, 20 Stopper Size, 13.4 mm Bottom Dia, 18.75 mm Top Dia, 13.3 mm Overall Ht, Gray (MPN W224100-406)
Stopper: Bromobutyl, 20 Stopper Size, Gray, 0 Holes, 125 Stoppers Included (MPN W988007-S)
WHEATON
Stopper: Bromobutyl, 20 Stopper Size, Gray, 0 Holes, 125 Stoppers Included (MPN W988007-S)