UNITED SCIENTIFIC SUPPLIES Black Rubber Stopper, Size 10, 2 Holes, RST10A-H2
The UNITED SCIENTIFIC SUPPLIES Stopper: Rubber is a black rubber stopper with a Stopper Size of 10, featuring a 45 mm bottom diameter, 53 mm top diameter, and 25 mm overall height. It includes 2 holes and is…
SKU 3G-OTH-381373
Also listed as: RST10AH2 · RST10A H2
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
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Product Description
The UNITED SCIENTIFIC SUPPLIES Stopper: Rubber is a black rubber stopper with a Stopper Size of 10, featuring a 45 mm bottom diameter, 53 mm top diameter, and 25 mm overall height. It includes 2 holes and is identified by manufacturer part number RST10A-H2.
Frequently Asked Questions
What is a UNITED SCIENTIFIC SUPPLIES rubber stopper used for?
This black rubber stopper (size 10, 2 holes) is used to seal laboratory flasks, test tubes, and other glassware. It prevents contamination and gas leakage during experiments, distillation, or storage. The two holes allow insertion of tubing or thermometers for controlled setups.
What are the specifications of the UNITED SCIENTIFIC SUPPLIES rubber stopper RST10A-H2?
The stopper is size 10, made of black rubber, with a bottom diameter of 45 mm, top diameter of 53 mm, and overall height of 25 mm. It has 2 holes and is manufactured by UNITED SCIENTIFIC SUPPLIES INC under part number RST10A-H2.
Where to buy UNITED SCIENTIFIC SUPPLIES rubber stoppers worldwide?
3G Electric supplies UNITED SCIENTIFIC SUPPLIES rubber stoppers worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the right rubber stopper size for a flask?
Measure the inner diameter of your flask opening. The stopper size (here size 10) corresponds to a specific top and bottom diameter range. For this stopper, the 53 mm top and 45 mm bottom fit standard lab glassware. Always verify dimensions against your equipment.
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.
