UNITED SCIENTIFIC SUPPLIES Rubber Stopper, Size 11-1/2, Black
The UNITED SCIENTIFIC SUPPLIES Stopper: Rubber is a black rubber stopper with a size of 11-1/2, featuring a bottom diameter of 50 mm, a top diameter of 63 mm, and an overall height of 25 mm. This product…
SKU 3G-OTH-381371
Also listed as: RST11AH2 · RST11A H2
Local availability & support
- 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.
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Product Description
The UNITED SCIENTIFIC SUPPLIES Stopper: Rubber is a black rubber stopper with a size of 11-1/2, featuring a bottom diameter of 50 mm, a top diameter of 63 mm, and an overall height of 25 mm. This product, manufactured under part number RST11A-H2, is designed for general laboratory sealing applications.
Frequently Asked Questions
What is a UNITED SCIENTIFIC SUPPLIES rubber stopper used for?
This rubber stopper is used for sealing laboratory containers such as flasks, test tubes, and bottles. It provides a tight, reusable closure to prevent contamination, evaporation, or spillage of contents during experiments, storage, or transport in general lab environments.
What are the specifications of the UNITED SCIENTIFIC SUPPLIES rubber stopper RST11A-H2?
The stopper is size 11-1/2, made of black rubber. It has a top diameter of 63 mm, a bottom diameter of 50 mm, and an overall height of 25 mm. The manufacturer part number is RST11A-H2, and it is produced by UNITED SCIENTIFIC SUPPLIES INC.
Where to buy UNITED SCIENTIFIC SUPPLIES rubber stoppers worldwide?
3G Electric supplies UNITED SCIENTIFIC SUPPLIES rubber stoppers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the RST11A-H2 stopper.
How to select the right rubber stopper size for a lab flask?
Measure the inner diameter of your flask opening. The stopper's top diameter (63 mm) and bottom diameter (50 mm) indicate a tapered fit. Size 11-1/2 is a standard lab size. Ensure the stopper material (rubber) is compatible with your chemicals and temperature range.
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.
