UNITED SCIENTIFIC SUPPLIES Stopper: Borosilicate Glass, 13 Stopper Size, 12 mm Bottom Dia, 13 mm Top Dia
The UNITED SCIENTIFIC SUPPLIES Borosilicate Glass Stopper (SKU 811J71, MPN UNSGS13) is a colorless glass stopper with a size 13, featuring a 12 mm bottom diameter, 13 mm top diameter, and 36 mm overall height. Made…
SKU 3G-OTH-379965
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Product Description
The UNITED SCIENTIFIC SUPPLIES Borosilicate Glass Stopper (SKU 811J71, MPN UNSGS13) is a colorless glass stopper with a size 13, featuring a 12 mm bottom diameter, 13 mm top diameter, and 36 mm overall height. Made from borosilicate glass by UNITED SCIENTIFIC SUPPLIES INC, this stopper is designed for standard laboratory glassware sealing applications.
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 standard laboratory glassware such as flasks, bottles, and volumetric vessels. It provides a tight, inert closure that resists thermal shock and chemical attack, making it suitable for storing or mixing reagents, solvents, and samples in research, analytical, and industrial labs.
What are the specifications of the UNITED SCIENTIFIC SUPPLIES borosilicate glass stopper?
The UNITED SCIENTIFIC SUPPLIES borosilicate glass stopper (MPN UNSGS13) has a stopper size of 13, a bottom diameter of 12 mm, a top diameter of 13 mm, and an overall height of 36 mm. It is made from colorless borosilicate glass by UNITED SCIENTIFIC SUPPLIES INC, offering chemical durability and thermal resistance for lab sealing.
Where to buy UNITED SCIENTIFIC SUPPLIES glass stoppers worldwide?
You can source the UNITED SCIENTIFIC SUPPLIES borosilicate glass stopper (UNSGS13) worldwide through 3G Electric. As a global industrial equipment distributor since 1990, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact 3G Electric for availability and lead time.
How to select the right glass stopper size for a lab flask?
To select the correct glass stopper, match the stopper size number (e.g., 13) to the corresponding ground-glass joint on your flask. Measure the top and bottom diameters of the joint; for the UNSGS13, the top diameter is 13 mm and bottom is 12 mm. Borosilicate glass stoppers from UNITED SCIENTIFIC SUPPLIES provide a precision fit for standard taper joints.
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.









