OEM Stopper: SBR Rubber, 4 Stopper Size, 20 mm Bottom Dia, 26 mm Top Dia, 25 mm Overall Ht
The APPROVED VENDOR Stopper is an SBR Rubber stopper, size 4, in black. It features a 20 mm bottom diameter, 26 mm top diameter, and 25 mm overall height. This stopper meets ASTM D2000 standards.
SKU 3G-OTH-381329
Also listed as: 41H · 4 1H
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 is an SBR Rubber stopper, size 4, in black. It features a 20 mm bottom diameter, 26 mm top diameter, and 25 mm overall height. This stopper meets ASTM D2000 standards.
Frequently Asked Questions
What is the APPROVED VENDOR SBR rubber stopper used for?
This stopper is used to seal laboratory glassware, bottles, and industrial containers. Its SBR rubber material provides a tight, reusable seal for general-purpose stoppering in chemical, pharmaceutical, and educational settings.
What are the specifications of the APPROVED VENDOR stopper 4-1H?
This stopper is size 4, made of black SBR rubber. It has a 20 mm bottom diameter, 26 mm top diameter, and 25 mm overall height. It meets ASTM D2000 standards for rubber material classification.
Where to buy the APPROVED VENDOR stopper 4-1H worldwide?
3G Electric supplies the APPROVED VENDOR stopper 4-1H worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the correct rubber stopper size for a flask?
Measure the inner diameter of your flask opening. Choose a stopper with a bottom diameter slightly larger than the opening for a snug fit. The APPROVED VENDOR size 4 stopper fits common narrow-neck lab glassware.
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.
