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UNITED SCIENTIFIC SUPPLIES Borosilicate Glass Stopper - Glass Stoppers

UNITED SCIENTIFIC SUPPLIES Borosilicate Glass Stopper

The UNITED SCIENTIFIC SUPPLIES Borosilicate Glass Stopper (SKU UNSGS19, MPN UNSGS19) is a colorless glass stopper with a Stopper Size of 19. It features an 18 mm bottom diameter, 19 mm top diameter, and 46 mm overall…

SKU 3G-OTH-379967

Also listed as: UNSGS 19 · UNSGS-19

Brand
UNITED SCIENTIFIC SUPPLIES
Item
Borosilicate Glass Stopper
Category
Glass Stoppers
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

UNITED SCIENTIFIC SUPPLIES
Manufacturer Part Number
UNSGS19
Material
Borosilicate Glass
Color
Colorless
Top Dia
19 mm
Bottom Dia
18 mm
Overall Ht
46 mm
Stopper Size
19

Technical Documents

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

Product Description

The UNITED SCIENTIFIC SUPPLIES Borosilicate Glass Stopper (SKU UNSGS19, MPN UNSGS19) is a colorless glass stopper with a Stopper Size of 19. It features an 18 mm bottom diameter, 19 mm top diameter, and 46 mm overall height, made from borosilicate glass.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a borosilicate glass stopper used for?

A borosilicate glass stopper is used to seal laboratory glassware such as flasks, bottles, and volumetric vessels. It provides a tight, inert closure for chemical storage, mixing, and reaction applications, especially where thermal resistance and chemical durability are required.

What are the specifications of the UNITED SCIENTIFIC SUPPLIES borosilicate glass stopper?

The UNITED SCIENTIFIC SUPPLIES borosilicate glass stopper (MPN UNSGS19) has a Stopper Size of 19, a bottom diameter of 18 mm, a top diameter of 19 mm, and an overall height of 46 mm. It is made from colorless borosilicate glass for thermal and chemical resistance.

Where to buy UNITED SCIENTIFIC SUPPLIES glass stoppers worldwide?

You can source the UNITED SCIENTIFIC SUPPLIES borosilicate glass stopper (SKU 3G-OTH-379967) through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations for this lab consumable.

How to select the correct glass stopper size for laboratory glassware?

To select the correct glass stopper, match the Stopper Size number (e.g., 19) to the corresponding ground-glass joint on your flask or bottle. The taper and diameter must align for a proper seal. For the UNITED SCIENTIFIC SUPPLIES stopper, verify the 18 mm bottom and 19 mm top diameters fit your glassware.

UNITED SCIENTIFIC SUPPLIES Products

3G Electric supplies UNITED SCIENTIFIC SUPPLIES glass stoppers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
UNITED SCIENTIFIC SUPPLIES
UNITED SCIENTIFIC SUPPLIES
Beige cork stopper with a top diameter of 40 mm, bottom diameter of 33 mm, and overall height of 38 mm. Solid construction with no holes. Commonly used to seal laboratory glassware such as flasks, test tubes, and bottles, providing a compressible, non-reactive closure for general lab applications
UNITED SCIENTIFIC SUPPLIES
UNITED SCIENTIFIC SUPPLIES
Natural cork stopper for sealing laboratory glassware such as flasks, test tubes, and bottles. Size 18 with a top diameter of 38 mm, bottom diameter of 31 mm, and overall height of 38 mm. Solid construction with no holes
Black rubber stopper, size 0, with 2 holes. Top diameter 17 mm, bottom diameter 13 mm, overall height 25 mm. Used to seal laboratory flasks, test tubes, or bottles while allowing insertion of tubing or probes through the holes
UNITED SCIENTIFIC SUPPLIES
Black rubber stopper, size 0, with 2 holes. Top diameter 17 mm, bottom diameter 13 mm, overall height 25 mm. Used to seal laboratory flasks, test tubes, or bottles while allowing insertion of tubing or probes through the holes
Black rubber stopper, Size 1, with 14 mm bottom diameter, 19 mm top diameter, and 25 mm overall height. Features 2 holes for inserting tubing or probes. Used to seal laboratory flasks, test tubes, and glassware in educational, research, and industrial settings
UNITED SCIENTIFIC SUPPLIES
Black rubber stopper, Size 1, with 14 mm bottom diameter, 19 mm top diameter, and 25 mm overall height. Features 2 holes for inserting tubing or probes. Used to seal laboratory flasks, test tubes, and glassware in educational, research, and industrial settings
UNITED SCIENTIFIC SUPPLIES
UNITED SCIENTIFIC SUPPLIES
Solid cork stopper with a beige finish, size 12. Features a top diameter of 29 mm, bottom diameter of 22 mm, and overall height of 31 mm. No holes. Used to seal laboratory glassware such as flasks, test tubes, and bottles for general storage and sample containment
UNITED SCIENTIFIC SUPPLIES
UNITED SCIENTIFIC SUPPLIES
Natural cork stopper in beige, size 9, with a top diameter of 24 mm, bottom diameter of 18 mm, and overall height of 29 mm. Solid construction with no holes, designed for sealing laboratory flasks, bottles, and test tubes to prevent contamination or evaporation

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This colorless borosilicate glass stopper is designed for sealing standard laboratory glassware such as flasks, bottles, and volumetric vessels. It provides a tight, inert closure that resists thermal shock and chemical attack. Stopper size 13 with 12 mm bottom diameter, 13 mm top diameter, and 36 mm overall height
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This colorless borosilicate glass stopper is designed for sealing laboratory glassware such as flasks, bottles, and volumetric vessels. With a stopper size of 16, it features a 15 mm bottom diameter, 16 mm top diameter, and 42 mm overall height. Borosilicate glass provides thermal and chemical resistance suitable for containing solvents, acids, and samples during storage or reaction processes
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This colorless borosilicate glass stopper is designed to seal laboratory glassware such as flasks, bottles, and volumetric vessels. It has a top diameter of 27 mm, bottom diameter of 25 mm, and overall height of 57 mm. The borosilicate construction provides thermal and chemical resistance for containing solvents, acids, and samples during storage or reaction processes
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This colorless borosilicate glass stopper is designed to seal laboratory glassware such as flasks, bottles, and volumetric vessels. It has a top diameter of 27 mm, bottom diameter of 25 mm, and overall height of 57 mm. The borosilicate construction provides thermal and chemical resistance for containing solvents, acids, and samples during storage or reaction processes
This colorless borosilicate glass stopper has a stopper size of 22, with a 20 mm bottom diameter, 22 mm top diameter, and 50 mm overall height. It is used to seal laboratory glassware such as flasks, bottles, and volumetric vessels, providing chemical and thermal resistance for containing solvents, acids, or samples during storage or reactions
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This colorless borosilicate glass stopper has a stopper size of 22, with a 20 mm bottom diameter, 22 mm top diameter, and 50 mm overall height. It is used to seal laboratory glassware such as flasks, bottles, and volumetric vessels, providing chemical and thermal resistance for containing solvents, acids, or samples during storage or reactions