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UNITED SCIENTIFIC SUPPLIES Neoprene Rubber Stopper, Size 4, Green, 0 Holes - Rubber Stoppers

UNITED SCIENTIFIC SUPPLIES Neoprene Rubber Stopper, Size 4, Green, 0 Holes

The Stopper: Neoprene from UNITED SCIENTIFIC SUPPLIES is a rubber stopper designed for sealing laboratory containers. This green neoprene stopper has a Stopper Size of 4, with a bottom diameter of 20 mm, top diameter…

SKU 3G-OTH-381400

Also listed as: NST4S · NST4 S

Brand
UNITED SCIENTIFIC SUPPLIES
Item
Neoprene Rubber Stopper, Size 4, Green, 0 Holes
Part Number
NST4-S
Category
Rubber Stoppers
Available to Order
Also known as:NST4-SUNITED SCIENTIFIC SUPPLIES
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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

UNITED SCIENTIFIC SUPPLIES
Manufacturer Part Number
NST4-S
Type
Green
Material
Neoprene
Color
Green
Holes
0
Top Dia
26 mm
Bottom Dia
20 mm
Overall Ht
25 mm
Stopper Size
4

Technical Documents

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

Product Description

The Stopper: Neoprene from UNITED SCIENTIFIC SUPPLIES is a rubber stopper designed for sealing laboratory containers. This green neoprene stopper has a Stopper Size of 4, with a bottom diameter of 20 mm, top diameter of 26 mm, and an overall height of 25 mm, featuring 0 holes.

Frequently Asked Questions

What is a UNITED SCIENTIFIC SUPPLIES neoprene stopper used for?

This green neoprene stopper (size 4) seals laboratory containers such as flasks and test tubes. Its 0-hole design provides an airtight closure, ideal for containing gases or preventing contamination during mixing or storage in chemical, pharmaceutical, and research labs.

What are the specifications of the UNITED SCIENTIFIC SUPPLIES stopper NST4-S?

The stopper is made of green neoprene, size 4, with a bottom diameter of 20 mm, top diameter of 26 mm, and overall height of 25 mm. It has 0 holes and is manufactured by UNITED SCIENTIFIC SUPPLIES INC under part number NST4-S.

Where to buy UNITED SCIENTIFIC SUPPLIES stoppers worldwide?

3G Electric supplies and delivers UNITED SCIENTIFIC SUPPLIES stoppers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order arrives at your facility, wherever it is located.

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

Measure the inner diameter of your flask opening. The stopper's top diameter (26 mm) should be slightly larger than the opening, while the bottom diameter (20 mm) fits inside. For a snug seal, match the stopper size (here size 4) to the flask neck dimensions.

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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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