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UNITED SCIENTIFIC SUPPLIES Black Rubber Stopper, Size 11, 2 Holes, RST11-H2 - Rubber Stoppers

UNITED SCIENTIFIC SUPPLIES Black Rubber Stopper, Size 11, 2 Holes, RST11-H2

The UNITED SCIENTIFIC SUPPLIES Stopper: Rubber is a black rubber stopper in size 11, featuring a 48 mm bottom diameter, 56 mm top diameter, and 25 mm overall height with 2 holes. This product is manufactured by…

SKU 3G-OTH-381372

Also listed as: RST11H2 · RST11 H2

Brand
UNITED SCIENTIFIC SUPPLIES
Item
Black Rubber Stopper, Size 11, 2 Holes, RST11-H2
Part Number
RST11-H2
Category
Rubber Stoppers
Available to Order
Also known as:RST11-H2UNITED SCIENTIFIC SUPPLIES
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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

UNITED SCIENTIFIC SUPPLIES
Manufacturer Part Number
RST11-H2
Type
Black
Material
Rubber
Color
Black
Holes
2
Top Dia
56 mm
Bottom Dia
48 mm
Overall Ht
25 mm
Stopper Size
11

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UNITED SCIENTIFIC SUPPLIES Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The UNITED SCIENTIFIC SUPPLIES Stopper: Rubber is a black rubber stopper in size 11, featuring a 48 mm bottom diameter, 56 mm top diameter, and 25 mm overall height with 2 holes. This product is manufactured by UNITED SCIENTIFIC SUPPLIES INC under part number RST11-H2.

Frequently Asked Questions

What is a UNITED SCIENTIFIC SUPPLIES rubber stopper size 11 with 2 holes used for?

This black rubber stopper is used to seal laboratory flasks, test tubes, or bottles while allowing two probes, tubes, or wires to pass through the holes. It is common in chemistry, biology, and industrial labs for gas collection, filtration, or sensor insertion.

What are the specifications of the UNITED SCIENTIFIC SUPPLIES RST11-H2 rubber stopper?

The stopper is size 11, made of black rubber, with a 48 mm bottom diameter, 56 mm top diameter, and 25 mm overall height. It has 2 holes and is manufactured by UNITED SCIENTIFIC SUPPLIES INC under part number RST11-H2.

Where to buy UNITED SCIENTIFIC SUPPLIES rubber stoppers worldwide?

3G Electric supplies UNITED SCIENTIFIC SUPPLIES rubber stoppers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order the RST11-H2 or other sizes.

How to select the right rubber stopper size for a flask?

Measure the inner diameter of your flask neck and match it to the stopper's top diameter. For the RST11-H2, the 56 mm top diameter fits standard lab glassware. Ensure the number of holes matches your need for probes or tubing. Rubber provides a tight, reusable seal.

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UNITED SCIENTIFIC SUPPLIES Products

3G Electric supplies UNITED SCIENTIFIC SUPPLIES 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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Black rubber stopper, size 3, with a bottom diameter of 18 mm, top diameter of 24 mm, and overall height of 25 mm. Features 2 holes for inserting tubing or probes. Commonly used to seal laboratory flasks, test tubes, or bottles in chemistry and biology applications
UNITED SCIENTIFIC SUPPLIES
Black rubber stopper, size 3, with a bottom diameter of 18 mm, top diameter of 24 mm, and overall height of 25 mm. Features 2 holes for inserting tubing or probes. Commonly used to seal laboratory flasks, test tubes, or bottles in chemistry and biology applications

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