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UNITED SCIENTIFIC SUPPLIES Silicone Stopper Size 4 - Synthetic Rubber Stoppers
UNITED SCIENTIFIC SUPPLIESSynthetic Rubber Stoppers

UNITED SCIENTIFIC SUPPLIES Silicone Stopper Size 4

The UNITED SCIENTIFIC SUPPLIES Stopper is a synthetic rubber stopper made of blue silicone in Size 4. It has a bottom diameter of 20 mm, a top diameter of 26 mm, and an overall height of 25 mm, with zero holes. This…

SKU 3G-OTH-382714

Also listed as: UNSST 4 · UNSST-4

Brand
UNITED SCIENTIFIC SUPPLIES
Item
Silicone Stopper Size 4
Part Number
UNSST4
Category
Synthetic Rubber Stoppers
Available to Order
Also known as:UNSST4UNITED 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
UNSST4
Type
Blue
Material
Silicone
Color
Blue
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 UNITED SCIENTIFIC SUPPLIES Stopper is a synthetic rubber stopper made of blue silicone in Size 4. It has a bottom diameter of 20 mm, a top diameter of 26 mm, and an overall height of 25 mm, with zero holes. This product is identified by manufacturer part number UNSST4.

Frequently Asked Questions

What is a UNITED SCIENTIFIC SUPPLIES silicone stopper used for?

This blue silicone stopper (Size 4, 0 holes) seals flasks, test tubes, and lab vessels to prevent contamination or gas escape. It is commonly used in chemistry, biology, and pharmaceutical labs for airtight closures during mixing, storage, or incubation.

What are the specifications of the UNITED SCIENTIFIC SUPPLIES stopper UNSST4?

The UNITED SCIENTIFIC SUPPLIES stopper UNSST4 is a blue silicone stopper, Size 4, with a bottom diameter of 20 mm, top diameter of 26 mm, and overall height of 25 mm. It has zero holes and is made of flexible, heat-resistant silicone rubber.

Where to buy UNITED SCIENTIFIC SUPPLIES stoppers in worldwide?

3G Electric supplies UNITED SCIENTIFIC SUPPLIES stoppers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us to order the UNSST4 or other sizes; we source genuine lab supplies across multiple industrial departments.

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

Measure the inner diameter of your flask neck. The stopper's top diameter (26 mm for Size 4) should be slightly larger than the neck opening to create a seal. For a snug fit, choose a stopper with a bottom diameter (20 mm) that matches the neck's inner diameter.

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UNITED SCIENTIFIC SUPPLIES Products

3G Electric supplies UNITED SCIENTIFIC SUPPLIES 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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Blue silicone stopper with size 7-1/2, top diameter 39 mm, bottom diameter 31 mm, and overall height 25 mm. Used to seal laboratory flasks, test tubes, and reaction vessels requiring a reusable, inert closure
UNITED SCIENTIFIC SUPPLIES
Blue silicone stopper with size 7-1/2, top diameter 39 mm, bottom diameter 31 mm, and overall height 25 mm. Used to seal laboratory flasks, test tubes, and reaction vessels requiring a reusable, inert closure

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