10 Best Stoppers Laboratory In The Us - Black Friday 2024
Best Choice1
DEPEPEDEPEPE 25pcs 45ml Glass Test Tubes 25 x 140mm with Cork Stoppers for Bath Salt Candy Storage Science Lab Party
Main highlights- Widely Uses: glass test tube can be used in scientific experiments, Halloween Christmas party decorations, to store bath salts, liquids and candy, to culture plants, etc.
- Size: 25 x 140mm/0.98" x 5.5", capacity: 45ml (Outside Diameter: 0.98in / 25mm; 0.86in / 22-23mm; Wall Thickness: 0.04in / 1.1mm)
- Premium product: Glass test tube is made of borosilicate glass, heat resistant.
- Package includes: 25pcs 25x140 mm glass test tubes with cork stoppers.
- Features: Cork is well sealed and can be used repeatedly after cleaning.
9.8Exceptional
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Value for Money2
stonylabStonyLab Solid Rubber Stoppers, 5-Pack 8# White Tapered Lab Seal Rubber Stoppers, Fits StonyLab 500ml Erlenmeyer Flask
Main highlights- StonyLab ensures high quality products and premium customer service; If received damaged, please contact us immediately; We will solve it until satisfied
- Please read the dimension description image carefully before making a decision (might have 1mm measurement error)
- Please note these rubber stoppers are NOT food grade
- Our StonyLab White Rubber Stoppers provide exceptional seal for many applications. Fits all StonyLab or erlenmeyer flask
- Exhibit excellent resilience and retain pliability over a long period
9.5Excellent
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3
United Scientific49% OffUnited Scientific™ RSTPK2 Premium Laboratory Black Rubber Stoppers | Good to Seal Bottles, Tubes and Many Other Containers - Black Lab Plug | #00 to #7 Assorted Sizes | 1LB of Stoppers | Pack of 50
Main highlights- Tapered Design - Smooth and tapered sides make these stoppers easy to plug and pull. All United Scientific rubber stoppers are reusable, and promote a sustainable laboratory or classroom environment.
- Size: #00 to #7 Assorted sizes, 1LB stoppers.
- Natural Rubber - Made from premium natural rubber, not easy to deform, elastic and great for sealing. Manufactured according to laboratory standards
- Low sulfur content. Withstand temperatures from –25 to 70°C (–13 to 158°F). They do contain latex.
- Extensive Use - Rubber stopper Ideal for laboratory and industrial use, can be used to seal test tubes, flasks, etc. Available in a wide range of sizes.
9.4Excellent
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4
Saim1-Hole Rubber Stopper, 6 PiecesTapered Lab Seal Tube Stopper Plug 27mm to 34mm Bottle Stopper for Test Tube Flasks Glass Containers Industry, Laboratory - Black
Main highlights- Wide Application: The Rubber Tapered Plugs are ideal for use in laboratories with flasks and test tubes. They can also serve as bottle stoppers, pipe stoppers in the medical and chemical industries, sewer plugs, water pipe plugs, or drain plugs.
- Thoughtful Design: Our plug features a conical design that ensures easy installation and a reliable sealing performance. It is flexible, durable, and resistant to cracking, shrinking, hardening, or breaking. The center hole allows for easy insertion of a glass tube, catering to your specific needs.
- Reliable Material: Crafted from high-quality rubber,solid rubber stoppers are designed to provide excellent sealing and a close fit, ensuring reliability and durability.
- Perfect Size: Each tapered plug measures Bottom Diameter: Top diameter: 34mm -- Bottom diameter: 27mm -- Hight: 25mm The package includes 6 x Rubber Tapered Plugs, offering versatility for various applications.
- Important Note: Please carefully check the product's size before ordering. Additionally, the product may have a slight smell, which can be reduced by placing it in a well-ventilated area before use.
9.2Excellent
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5
BorinGlassBorinGlass Silicone Rubber Stopper, (10-Pack, Size 6#) Tapered White Silicone Stoppers for Laboratory Sealing
Main highlights- With excellent sealing performance, these stoppers effectively prevent leakage of solutions; Please note that they are not suitable for food-grade applications
- These stoppers possess remarkable resilience and long-lasting pliability, making them resistant to both chemical reagents and high temperatures, capable of withstanding up to 250 degrees Celsius
- Guaranteed after-sales service: if received defective or damaged item, please contact us; We will definitely help you solve the problem until you are satisfied
- Durable and reusable, these silicone stoppers offer a reliable solution for laboratory needs; Before making a purchase, carefully review the dimension description image, as there might be a 1mm measurement error
- Available in a 10-Pack with a size of 6#, BorinGlass premium silicone stoppers ensure an outstanding seal for various laboratory containers
8.9Very Good
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6
United ScientificUnited Scientific™ RSTPK4 Premium Laboratory Black Rubber Stoppers, 2 Hole | Good to Seal Bottles, Tubes and Many Other Containers - Black Lab Plug | #2 to #8 Assorted Sizes | 1LB of Stoppers.
Main highlights- Tapered Design - Smooth and tapered sides make these stoppers easy to plug and pull. All United Scientific rubber stoppers are reusable, and promote a sustainable laboratory or classroom environment.
- Size: #2 to #8 Assorted sizes, stoppers.
- Natural Rubber - Made from premium natural rubber, not easy to deform, elastic and great for sealing. Manufactured according to laboratory standards.
- Low sulfur content. Withstand temperatures from –25 to 70°C (–13 to 158°F). They do contain latex.
- Extensive Use - Rubber stopper Ideal for laboratory and industrial use, can be used to seal test tubes, flasks, etc. Available in a wide range of sizes.
8.8Very Good
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7
KyuiontyKyuionty 12 Pack Solid Rubber Stoppers Size 2-20mm x 15mm - 26mm Long - Tapered Laboratory Test Tube Stopper Plug - Black
8.7Very Good
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8
uxcelluxcell 4Pcs Solid Rubber Stoppers, White 8# Tapered Lab Plugs Lab Seal Tube Stopper Plug for Industry and Laboratories, 42x33x30mm
Main highlights- Tapered Design: Our lab rubber plug has a conical side, a smooth surface, easy to insert and remove, with good sealing and insulation performance. Very suitable for laboratory and industrial use.
- Solid Rubber Stoppers: The package contains 4Pcs 8# tapered lab plugs, their top diameter is 42mm / 1.65", the bottom diameter is 33mm / 1.3", and the height is 30mm / 1.18". Please select the appropriate rubber sealing plug model and size before purchase to ensure its sealing effect and durability.
- Easy to Use: These solid rubber plugs are easy to install, just insert the rubber plug into the mouth of the glass bottle, and gently turn to ensure that it is in place, and a firm fit.
- Durable Material: The laboratory sealing plug is made of solid rubber, high density, elastic and good sealing, wear-resistant and not easy to deform, and durable.
- Application: Our rubber plugs are suitable for a variety of laboratory and industrial applications, including chemical reactions and sample storage, used to plug and seal test tubes, containers, flasks, pipes, and other experimental instruments to prevent leakage.
8.6Very Good
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9
United ScientificUnited Scientific™ RSTPK3 Premium Laboratory Black Rubber Stoppers, 1 Hole | Good to Seal Bottles, Tubes and Many Other Containers | #00 to #7 Assorted Sizes | 1LB of Stoppers | Pack of 54 Stoppers.
Main highlights- Tapered Design - Smooth and tapered sides make these stoppers easy to plug and pull. All United Scientific rubber stoppers are reusable, and promote a sustainable laboratory or classroom environment.
- Size: #00 to #7 Assorted sizes, 1LB stoppers.
- Natural Rubber - Made from premium natural rubber, not easy to deform, elastic and great for sealing. Manufactured according to laboratory standards.
- Low sulfur content. Withstand temperatures from –25 to 70°C (–13 to 158°F). They do contain latex.
- Extensive Use - Rubber stopper Ideal for laboratory and industrial use, can be used to seal test tubes, flasks, etc. Available in a wide range of sizes.
8.5Good
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10
stonylabstonylab Plastic Stoppers, 3-Pack Universal Fit Lab Stopper for Volumetric Flask Separatory Funnel with 24/40 Joint, Durable Lab Glassware Seal
Main highlights- Warranty: StonyLab 1-year limited warranty; if received damaged, please contact us immediately; we will solve it until satisfied
- Universal Compatibility: designed to fit 24/40 outer joint laboratory glassware, these stoppers ensure a secure seal for volumetric flasks and separatory funnels
- Premium Construction: crafted from premium plastic, these stoppers boast excellent resistance to both acids and alkalis, enhancing longevity and durability in various laboratory conditions
- Convenient and User-Friendly: with their lightweight and flexible design, StonyLab plastic stoppers are not only easy to handle and apply but also simple to transport and store
- 3-Pack Set: this set includes 3 stoppers, each with an inner diameter of 24 mm, providing an essential supply for busy laboratories and educational settings
8.2Good
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