OEM Stopper: Natural Rubber, 4 Stopper Size, 20 mm Bottom Dia, 26 mm Top Dia
The APPROVED VENDOR Stopper: Natural Rubber is a black rubber stopper made from natural rubber. It has a Stopper Size of 4, with a bottom diameter of 20 mm, top diameter of 26 mm, and overall height of 25 mm. This…
SKU 3G-OTH-381327
Also listed as: RST4S · RST4 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 4, with a bottom diameter of 20 mm, top diameter of 26 mm, and overall height of 25 mm. This product is identified by manufacturer part number RST4-S.
Frequently Asked Questions
What is the APPROVED VENDOR RST4-S rubber stopper used for?
The APPROVED VENDOR RST4-S natural rubber stopper is used to seal laboratory flasks, test tubes, and industrial containers. Its tapered design (20 mm bottom diameter, 26 mm top diameter, 25 mm height) provides a tight, leak-resistant fit for general-purpose stoppering in chemical, pharmaceutical, and research settings.
What are the specifications of the APPROVED VENDOR RST4-S stopper?
The APPROVED VENDOR RST4-S stopper is size 4, made of natural rubber, and black in color. It has a bottom diameter of 20 mm, top diameter of 26 mm, and overall height of 25 mm. The manufacturer part number is RST4-S.
Where to buy the APPROVED VENDOR RST4-S stopper worldwide?
3G Electric supplies the APPROVED VENDOR RST4-S natural rubber stopper to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this size 4 stopper.
How to select the right size rubber stopper for a flask?
To select the correct stopper, measure the inner diameter of your flask opening. The APPROVED VENDOR RST4-S stopper has a bottom diameter of 20 mm and top diameter of 26 mm, fitting openings roughly 20–26 mm. Always verify dimensions against your container's neck size for a secure 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.
