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KIMBLE Stopper: Chlorobutyl, 20 Stopper Size, 7.6 mm Bottom Dia, 20 mm Top Dia - Synthetic Rubber Stoppers
KIMBLESynthetic Rubber Stoppers

KIMBLE Stopper: Chlorobutyl, 20 Stopper Size, 7.6 mm Bottom Dia, 20 mm Top Dia

The KIMBLE Stopper: Chlorobutyl is a synthetic rubber stopper designed for laboratory use. It features a gray chlorobutyl construction, a Stopper Size of 20, and complies with USP <381> standards. The stopper has a…

SKU 3G-OTH-382740

Also listed as: 73811T21 · 73811T 21

Brand
KIMBLE
Item
Stopper: Chlorobutyl, 20 Stopper Size, 7.6 mm Bottom Dia, 20 mm Top Dia
Category
Synthetic Rubber Stoppers
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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

KIMBLE
Manufacturer Part Number
73811T-21
Type
Gray
Material
Chlorobutyl
Color
Gray
Top Dia
20 mm
Standards
USP <381>
Bottom Dia
7.6 mm
Overall Ht
6.9 mm
Stopper Size
20

Technical Documents

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

Product Description

The KIMBLE Stopper: Chlorobutyl is a synthetic rubber stopper designed for laboratory use. It features a gray chlorobutyl construction, a Stopper Size of 20, and complies with USP <381> standards. The stopper has a 7.6 mm bottom diameter, 20 mm top diameter, and 6.9 mm overall height (MPN 73811T-21).

Frequently Asked Questions

What is the KIMBLE Chlorobutyl Stopper used for?

The KIMBLE Chlorobutyl Stopper (MPN 73811T-21) is a synthetic rubber stopper used in laboratory settings to seal containers such as flasks and vials. Its chlorobutyl material provides chemical resistance and a secure fit, making it suitable for applications requiring USP <381> compliance.

What are the specifications of the KIMBLE Stopper 73811T-21?

The KIMBLE Stopper 73811T-21 has a Stopper Size of 20, a top diameter of 20 mm, a bottom diameter of 7.6 mm, and an overall height of 6.9 mm. It is made of gray chlorobutyl and meets USP <381> standards for laboratory use.

Where to buy KIMBLE Chlorobutyl Stoppers worldwide?

3G Electric supplies KIMBLE Chlorobutyl Stoppers (MPN 73811T-21) 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.

How to select the right KIMBLE stopper size for a lab flask?

To select the correct KIMBLE stopper, match the Stopper Size (e.g., 20) to the flask neck opening. Measure the top and bottom diameters—20 mm top and 7.6 mm bottom for this model—and ensure the chlorobutyl material is compatible with your chemicals. Consult the USP <381> standard for guidance.

Used in

Common applications for KIMBLE
Pharmaceutical quality control — KIMBLE volumetric flasks (10 mL, Class A) for precise solution preparation
Microbiological research — KIMBLE sterile serological pipettes (10 mL) for aseptic liquid handling
Environmental testing — KIMBLE graduated cylinders (10 mL, Class B) for water sample measurement
Biochemical separation — KIMBLE Flex-Column chromatography columns (75 cm) for protein purification
Media preparation — KIMBLE amber media bottles (2 L) for storing light-sensitive culture media
General laboratory storage — KIMBLE culture tubes (16 mL) for sample incubation and transport

KIMBLE Products

3G Electric supplies KIMBLE 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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