OEM Stopper: Natural Rubber, 7 Stopper Size, 30 mm Bottom Dia, 37 mm Top Dia
The APPROVED VENDOR Stopper: Natural Rubber is a black rubber stopper made from natural rubber. It has a Stopper Size of 7, with a bottom diameter of 30 mm, a top diameter of 37 mm, and an overall height of 25 mm…
SKU 3G-OTH-381343
Also listed as: RST7S · RST7 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 7, with a bottom diameter of 30 mm, a top diameter of 37 mm, and an overall height of 25 mm. This product is identified by manufacturer part number RST7-S.
Frequently Asked Questions
What is the APPROVED VENDOR natural rubber stopper RST7-S used for?
This black natural rubber stopper is used to seal laboratory glassware, flasks, and test tubes. Its size 7 design with a 30 mm bottom diameter and 37 mm top diameter provides a tight fit for standard openings, preventing leaks and contamination in chemical or biological applications.
What are the specifications of the APPROVED VENDOR stopper RST7-S?
The APPROVED VENDOR stopper RST7-S is made of natural rubber in black. It has a stopper size of 7, a bottom diameter of 30 mm, a top diameter of 37 mm, and an overall height of 25 mm. The manufacturer part number is RST7-S.
Where to buy the APPROVED VENDOR stopper RST7-S in worldwide?
3G Electric supplies the APPROVED VENDOR stopper RST7-S to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us to source this natural rubber stopper for your laboratory or industrial needs.
How to select the right size rubber stopper for a flask?
Measure the inner diameter of your flask opening. The stopper's bottom diameter should be slightly larger than the opening for a secure seal. For the APPROVED VENDOR size 7 stopper, the 30 mm bottom diameter fits openings around 28-30 mm. Always verify dimensions before ordering.
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.
