OEM Stopper: Natural Rubber, 4 Stopper Size, 20 mm Bottom Dia, 26 mm Top Dia
The APPROVED VENDOR Stopper: Natural Rubber (SKU RST4-H, MPN RST4-H) is a black natural rubber stopper with a Stopper Size of 4. It has a bottom diameter of 20 mm, a top diameter of 26 mm, and an overall height of 25 mm.
SKU 3G-OTH-381328
Also listed as: RST4H · RST4 H
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 APPROVED VENDOR Stopper: Natural Rubber (SKU RST4-H, MPN RST4-H) is a black natural rubber stopper with a Stopper Size of 4. It has a bottom diameter of 20 mm, a top diameter of 26 mm, and an overall height of 25 mm.
Frequently Asked Questions
What is the APPROVED VENDOR RST4-H rubber stopper used for?
The APPROVED VENDOR RST4-H natural rubber stopper is used to seal laboratory flasks, test tubes, and other glassware. Its tapered design (26 mm top diameter, 20 mm bottom diameter, 25 mm height) provides a tight, leak-resistant fit for general-purpose containment and mixing applications.
What are the specifications of the APPROVED VENDOR RST4-H stopper?
The APPROVED VENDOR RST4-H is a Size 4 natural rubber stopper in black. It has a top diameter of 26 mm, a bottom diameter of 20 mm, and an overall height of 25 mm. The material is natural rubber, offering flexibility and a secure seal for standard laboratory glassware.
Where to buy the APPROVED VENDOR RST4-H stopper worldwide?
3G Electric supplies the APPROVED VENDOR RST4-H natural rubber stopper to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time; we source across 14 industrial departments to meet your lab supply needs.
How to select the correct size rubber stopper for a flask?
To select the correct stopper, measure the inner diameter of your flask opening. The APPROVED VENDOR RST4-H has a top diameter of 26 mm and a bottom diameter of 20 mm, fitting openings roughly in that range. Always verify the stopper size (Size 4) against your glassware specifications for a proper seal.
OEM Products
3G Electric supplies OEM rubber stoppers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
