The Best Lab Corks of 2023

What you get: Package included 25 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 10ml. Please pay attention to the size and purchase what you need.

Premium material: The clear test tube made of premium plastic, sturdy, non-toxic, 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.

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Stainless steel flask tongs

Cork lined rectangular jaws

Fits flasks from 100-2000ml

30cm in length

Sold as 1pcs 4 finger lab clamp and 1 pcs black lab stand clip

Maximum Dia of 4 finger clamp is 9cm(3.6''),and the black clip accepts rods up to 2cm(0.8'')

Cork-Coated jaws will safely protect your glassware from scratching bad

The extra lab clip to attach it to the lab stand itself,thus meet your needs perfectly well.

After-Sale: We cherish every customer and commit to providing you with good service. if you have any problem,contact us first，we'd like to solve your problem as soon as possible.

CORK STOPPERS || Pack of ten, premium quality cork stoppers

SIZE #2 || Each stopper measures 17mm in length, has a base diameter measuring 9mm, and a top diameter measuring 13mm. Ideal for bottles, flasks and tubes with a mouth/opening measuring 10-12mm in diameter

VERSATILE || Useful for scientific applications, including sealing bottles, flasks and test tubes. Great for household use - for homebrewing, sealing opened wine or beer bottles, spice rack vials, creative projects, DIY corkboards and mats, fishing and more

DURABLE || Corks are made of durable, natural bark material. The reliable construction will not crumble or break easily

DESIGNED FOR PROFESSIONAL LABORATORIES || Designed for use in professional laboratories, but are suitable for use in the classroom, home or garage

Made of high quality rubber, good sealing, durable and long service life.

High elasticity, good insulation and sealing performance, high temperature resistance, acid and alkali resistance, and will not dissolve and swell in acidic liquids.

Not easy to deform, moderate hardness, manufactured according to standards, environmentally friendly materials.

Suitable for laboratory, home and industrial applications.

Material: rubber; Color: White; Package includes: 30 x Rubber Stoppers

Package includes: 25pcs 25x140 mm glass test tubes with cork stoppers.

Size: The glass test tube is 140 mm (5.51 in) long, 25 mm (0.98 in) in diameter, and has a volume of 45 ml.

Material: 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.

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

Use to protect surfaces

Use to support round bottom flasks

180mm inner hole, 235mm total diameter

Fits 22,000-50,000 round bottom flasks