The Best Lab Corks - We Kompare

Looking for the best Lab Corks?

Discover now our comparison of the best Lab Corks. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Lab Corks are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Lab Corks in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1

Cork Stoppers, Size 5, XXX Quality, Karter Scientific 20A5 (Pack of 25)

Cork Stoppers: Size 5 (XXX Quality)
Top Diameter: 17.4mm
Middle Diameter: 15.0mm
Bottom Diameter: 13.5mm
Length: 22.2mm

No. 2

Rubber Stopper - 22 Pcs Solid Rubber Stoppers,11 Assorted Sizes 000# - 8# Tapered Lab Seal Rubber Stoppers

Solid Rubber Stoppers: These black stoppers are made of high-quality rubber, which is very durable, not easy to deform, and has good sealing performance.
Rubber Stoppers Size:11 assorted sizes,000# 00# 0# 1# 2# 3# 4# 5# 6# 7# 8#,wide choice for your application.
Widely used: These rubber stoppers are suitable for laboratory and industrial use. They can be used as bottle stoppers or pipe stoppers in medicine, chemical industry, scientific research, and other industries.
Easy to use: Rubber stopper is tapered, easy to pull and insert, reusable and long in service life.
Packaging includes: 22pcs - #000 size 6pcs, #00---#4 each size 2pcs, #5---#8 each size 1pcs, Can meet your different needs.

No. 3

HNYYZL 25Pcs Clear Plastic Test Tubes with Cork Stoppers, 15x100mm 10ml, Good Seal for Jewelry Seed Beads Powder Spice Liquid Storage, Lab Use or Decoration

Durable Plastic Test Tubes – Made from high-quality, clear plastic test tubes that are shatter-resistant and lightweight, ensuring safe handling and easy visibility of contents
Leak-Proof Cork Seal – Each plastic test tube comes with a snug natural cork stopper, providing a tight seal to prevent spills and keep powders, liquids, or small items secure
Multi-Purpose Storage – Perfect for organizing jewelry beads, seeds, spices, lab samples, or DIY crafts. These test tubes are great for both practical and decorative uses
Compact & Functional Size – Measuring 15x100mm (10ml capacity), these plastic test tubes offer ample space while remaining stackable and space-efficient
Bulk Value Pack – Includes 25 pieces of plastic test tubes with corks, ideal for labs, classrooms, parties, or creative projects requiring multiple containers

SaleNo. 4

44 Packs Solid Lab Rubber Stoppers Plugs Small White Rubber Cork Stoppers Assorted Waterproof Stoppers,10 Assorted Sizes 000# to 7#

Ample Quantity: the package consists of 44 packs white rubber stoppers with assorted sizes, namely 25 packs for 000#, 8 packs for 00#, 3 packs for 0# and 2 packs for 1#, while 2# to 7#, each size has 1 pack, and you can choose the size you want, enough to meet your daily use and replacement needs
More Sizes to Choose: 000#: 0.51 x 0.67 x 0.31 inches, 00#: 0.59 x 0.87 x 0.43 inches, 0#: 0.63 x 0.94 x 0.51 inches, 1#: 0.75 x 1.02 x 0.55 inches, 2#: 0.79 x 1.06 x 0.59 inches, 3#: 0.9 x 1.06 x 0.67 inches, 4#: 1.06 x 1.1 x 0.75 inches, 5#: 1.14 x 1.1 x 0.87 inches, 6#: 1.3 x 1.14 x 0.98 inches, 7#: 1.46 x 1.18 x 1.14 inches, the tapered solid rubber stopper is compact and useful, they allow you to make final trim according to your needs
Reliable to Apply: the stopper replacement is made of quality rubber material, odorless, firm and sturdy, which is not easy to break, bringing you a nicer using experience
Convenient to Use: the rubber fountain plug is designed in a tapered shape to make it easy to plug and pull, will save your energy, which is appropriate for pots for plants, salt and pepper shakers, non aggressive or concentrated solutions like test tube and flasks; Some dust will be on the surface, please wash the plug with water
Scope of Applications: the tapered rubber stopper plug will be a nice accessory, which can be applied for laboratory, household, classroom, garage, hotel, supermarkets, stores and more; Please confirm the sizes before your ordering

No. 5

EISCO 7 Piece Cork Borer Set - Includes 6 Cork Borers and One Steel Ram Rod - Nickel-Plated Brass with Plastic Handles - Useful for Both Rubber Stoppers and Corks

7 PIECES || Set includes 6 different sized cork borers and one ram rod - Borers neatly nestle into each other for easy and convenient storage
USEFUL || Can be used for a variety of functions including punching holes on an agar plate in microbiology, taking samples from living trees for tree ring analysis and for cutting holes in both rubber stoppers and corks prior to inserting glass tubing
VARIOUS SIZES || Diameters of borers: 4mm, 6mm, 7.5mm, 9.5mm, 10.5mm and 12mm
DURABLE & STURDY || Cork borers are made of high quality, sharpened nickel-plated brass tubing with attached plastic handles - Ram rod is made of high quality steel
GREAT FOR LAB USE || Designed for use in a laboratory or educational setting, but also great for various functions around the house in crafting and home improvement projects

SaleNo. 6

87 Consomer Reviews

SUCOHANS 2 Count 4.3" Diam. Lab Flask Support Cork Stand 110mm for 250-2000mL Flasks

Flask support firmly holds 250-2000 mL round bottom flasks, and its outer diameter is 110 mm.
The flask support Cork is made of high quality cork, very good elasticity, strong heat and electrical insulation, friction resistance.
The Flask support is non-toxic, tasteless, small proportion, not easy to get fire,eco-friendly product.
Used for holding your flasks or other spherical bottom containers from failing easily.
2pcs 110*60mm Laboratory Flask Cork Stand Lab Supply Article

No. 7

WELANGBN 10Pcs Clear Plastic Test Tubes with Cork Stoppers, 15x150mm 13ml, Good Seal for Jewelry Seed Beads Powder Spice Liquid Storage, Lab Use or Decoration

What you get: Package included 10 pcs clear plastic tubes with cork stoppers, enough for you daily use and replace, good quality can be used for long times.
Size & volume: 1.5cm in diameter, 10cm in length, the capacity is 13ml. Please pay attention to the size and purchase what you need.
Premium material: The clear test tube made of premium plastic, sturdy, lightweight, and transparent tube wall like glass but no break easily issues.
Tight cap: The cork stopper is insert and take out easily, perfectly fit the tube open and have good sealing to isolate air and liquid, prevent the content inside leaking out.
Multipurpose test tube: Can be used for store liquid, powder, jewelry, candy, seed, beads or samples. Also suitable for lab use, grow plants, festival party decoration, home embellishments.

No. 8

DEPEPE 25pcs 45ml Glass Test Tubes 25 x 140mm with Cork Stoppers for Bath Salt Candy Storage Science Lab Party

Package includes: 25pcs 25x140 mm glass test tubes with cork stoppers.
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.
Features: Cork is well sealed and can be used repeatedly after cleaning.
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.

No. 9

Bonsicoky 10 Pack Solid Rubber Stoppers - 1# Tapered Shaped Lab Bungs Plug - White Lab Plug for Flask, Plug Holes, Test Tube

Premium Quality Material: Crafted from high-quality rubber, these stoppers are durable and chemical-resistant, ensuring robustness and reliability. The solid construction without holes enhances sealing performance for non-corrosive or concentrated solutions.
Comprehensive Set of Assorted Sizes: This Solid Rubber Stopper pack offers a wide selection of 11 assorted sizes ranging from #000 to #8, providing ample choices for various applications such as flasks, test tubes, and other laboratory needs.
Easy-to-Use Tapered Design: Featuring a cone-shaped, tapered design, these rubber stoppers are easy to insert and remove. The user-friendly design allows for quick and efficient sealing and reopening, making them ideal for diverse sealing applications.
Wide Temperature Range Compatibility: These rubber stoppers can withstand high temperatures up to 200 degrees Celsius, making them suitable for various applications, including food, hygiene, and laboratory use. Their versatility extends to uses in flasks, plug holes, dog pools, fountains, and more.
Size types and compatibility information: Each set includes detailed size information to ensure customers can choose the right size for their specific needs. Please confirm the product size before purchase to ensure compatibility with the device.

SaleNo. 10

10Pcs 60ml Glass Test Tubes with Cork Stoppers Empty Refillable Clear Flat Borosilicate Glass Bottles Vials Jars for Beads Candy Storage Party Favors Lab 30 x 120mm

Package includes: 10Pcs 60ml clear glass test tubes with cork stoppers, flat bottom.
Size: 60ml capacity, glass tube measures approx 120mm/4.7inch in total height, and 30mm/1.18inch in diameter.
Material: The glass test tube is made of borosilicate glass with cork stopper. Transparent glass makes it easy to identify the inner item.
Features: Each glass test tube with a cork stopper and keep tube sealed. Easy to clean and reusable, a generally used bottlle for laboratory.
Wide applications: Perfect for storing bath salt, candy, spices, small jewelry findings and beads, sequins, liquid, also great for DIY and art decoration.

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Last update on 2025-05-22 / Affiliate links / Images from Amazon Product Advertising API

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