OEM Stopper: Natural Rubber, 3 Stopper Size, 18 mm Bottom Dia, 24 mm Top Dia
The APPROVED VENDOR Stopper: Natural Rubber is a black rubber stopper made from natural rubber. It has a Stopper Size of 3, with a bottom diameter of 18 mm, a top diameter of 24 mm, and an overall height of 25 mm…
SKU 3G-OTH-381325
Also listed as: RST3S · RST3 S
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 APPROVED VENDOR Stopper: Natural Rubber is a black rubber stopper made from natural rubber. It has a Stopper Size of 3, with a bottom diameter of 18 mm, a top diameter of 24 mm, and an overall height of 25 mm. This product is identified by manufacturer part number RST3-S.
Frequently Asked Questions
What is the APPROVED VENDOR RST3-S rubber stopper used for?
The APPROVED VENDOR RST3-S natural rubber stopper is used to seal laboratory flasks, test tubes, and other glassware. Its tapered design (24 mm top, 18 mm bottom, 25 mm height) provides a tight, reusable closure for chemical or biological applications.
What are the specifications of the APPROVED VENDOR RST3-S stopper?
The APPROVED VENDOR RST3-S is a Size 3 natural rubber stopper in black. It has a top diameter of 24 mm, a bottom diameter of 18 mm, and an overall height of 25 mm. The material is natural rubber, offering flexibility and chemical resistance for general lab use.
Where to buy the APPROVED VENDOR RST3-S stopper worldwide?
3G Electric supplies the APPROVED VENDOR RST3-S 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 on this lab consumable.
How to select the correct rubber stopper size for a flask?
To select the correct rubber stopper, measure the inner diameter of your flask opening. The stopper's bottom diameter should be slightly smaller than the opening, and the top diameter larger. For the APPROVED VENDOR RST3-S (18 mm bottom, 24 mm top), it fits openings around 18–20 mm.
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.
