10 Best Flask Stopper Chemistry In The Us - Black Friday 2024
Best Choice1
CorningCorning Pyrex #4980-PACK(RS), Narrow Mouth Erlenmeyer Flask Set with Rubber Stoppers, 5 Sizes - 50, 125, 250, 500, 1000ml
Main highlights- Top Style: Heavy duty rim
- Rubber Stoppers included
- Neck Style: Narrow mouth
- Flask Style: Erlenmeyer
- Contains 1 each 50, 125, 250, 500 & 1000ml Flask
9.8Exceptional
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Value for Money2
Karter Scientific20% OffKarter Scientific Glass Flask 5 Piece Set, Narrow Mouth Erlenmeyer, Borosilicate 3.3 Glass - 50ml, 150ml, 250ml, 500ml, 1L, 213B2
Main highlights- High quality inert 3.3 borosilicate glass
- Height of each as follows:, 50ml = approx. 85mm, 150ml = approx. 120mm, 250ml = approx. 140mm ,500ml = approx. 175mm , 1000ml = approx. 220mm
- Contains 1 each 50, 150, 250, 500 & 1000ml Flask
- ASTM Specification E960, Type I requirements
- 121C/250F conducted in a slow and careful manner to avoid breakage. Heavy Duty Reusable.
9.7Exceptional
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3
QWORKQWORK Borosilicate 3.3 Glass Erlenmeyer Flask Set (50, 100 and 250ml), 3 x Graduated Conical Flask with Glass Stopper for Lab, Experiment, Chemistry
Main highlights- Package Content: Includes 3 Erlenmeyer Flasks in different sizes, meeting your needs. And safe package for good protection.
- Good Sealing: Frosted glass sealing stopper provides superior sealing. Note: Stoppers and bottles correspond one to one, not interchangeable.
- Durable: Made of Borosilicate 3.3 Glass, it has high temperature resistance, acid and alkali resistance, durable to use.
- Application: Suitable for measuring or storing fluid in laboratory experiment, chemistry experiment etc.
- 3 Sizes: 250ml, 100ml, 50ml, Each flask has clear scale, allowing you measure the liquid accurately.
9.6Exceptional
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4
ADAMAS-BETA17% OffADAMAS-BETA Erlenmeyer Flask with Rubber Stopper Set,3pcs Chemistry Flasks Glass Science Beakers,50ml,150ml,250ml Flat Bottom Glassware
Main highlights- Service: If you have any questions about the product or order,you can contact us by mail. We will be happy to assist you and reply as soon as possible.
- Packaging Specifications: 3pcs/pack (50ml,150ml,250ml,including 3 rubber stoppers) High quality 3.3 borosilicate glass Lab Erlenmeyer Flasks
- Lab Erlenmeyer Flasks Material: Science flask made of high-quality glass,reusable,environmentally friendly,easy to clean.
- Function: Boiling flasks are ideal for yeast culture,mixing solutions,chemical flasks for beginners or professionals to use in scientific chemistry laboratories,and also suitable for students,classrooms and daily use.
- Flat Bottom: A flat-bottomed lab erlenmeyer flasks allows it to stand upright on a flat surface without resting on bottle clamps or cork racks.
9.4Excellent
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5
BOMEXGlass Flask Erlenmeyer Flask Set Narrow Mouth 2000ml Graduated Flasks
Main highlights- Neck Style: Narrow mouth. Conducted in a slow and careful manner to avoid breakage. Heavy Duty Reusable.
- High Quality Borosilicate Glass: High temperature resistance. These borosilicate glass erlenmeyer flasks have High chemical durability and low thermal expansion.
- Convenient to use: Suitable for beginners or professional use, also the students, convenient classroom borosilicate glass erlenmeyer flasks.
- Clear Scale: Erlenmeyer Flasks have clear and accurate scales for you to measure liquid efficiently.
- 100% SATISFACTION SERVICE: Our Erlenmeyer Flasks are made of high quality borosilicate glass. If they are any questions, please feel free to contact us, we will do our best to meet your satisfaction. Pls note that the stopper is very soft, you have to push hard to get in, only that it doesn't push out.
9.3Excellent
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6
PATIKILPATIKIL Erlenmeyer Flask, 1000ml 33.8oz Narrow Mouth Graduated Flasks with Glass Stopper Borosilicate Glass Flasks with Printed Graduation for Lab Experiment Chemistry Science
Main highlights- [Good High Borosilicate Glass] The erlenmeyer flask uses high borosilicate glass, which is high temperature resistant, chemically stable, and has strong corrosion resistance. [Clear Scale] The scale on the surface of the graduated flasks is clear, allowing precise volume measurement to ensure the accuracy of the experiment. [Narrow Mouth Design & Glass Stopper] The narrow mouth design of the erlenmeyer flask and glass stopper can prevent experimental liquids from evaporating and spilling.
- Specification: Color: Transparent Material: High Borosilicate Glass Capacity: 1000ml / 33.8oz Total High: 250 mm/ 9.84 inch Bottom Diameter: 130 mm/ 5.12 inch Bottle Mouth Outer Diameter: 43 mm/ 1.69 inch Packing List: 1 x Glass Erlenmeyer Flask
- Narrow mouth graduated flasks are versatile and reliable tools for accurately measuring, mixing and storing liquids in a laboratory setting. Glass erlenmeyer flasks are made of good materials. Graduated flasks are strong and durable, with a stable bottom and high transparency. They are widely used in scientific laboratories, education, industrial research and development, etc.
- NOTE: 1. Please check the size before purchasing. 2. Please handle glass products with care
- Instruction: [Easy to Use] The graduated flasks are suitable for beginners and professionals. The glass erlenmeyer flask is also suitable for teaching activities, fun experiments, etc. It is convenient and practical.
9.2Excellent
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7
HUAOUHUAOU Scientific 150ml Erlenmeyer Conical Flasks Set with Ground Glass Stoppers, Graduated 3.3 Borosilicate Glass, Pack of 3
Main highlights- Size (Diameter x Height): 2.75in (70mm) x 4.53in (115mm).
- Package contains: 3 pack 150ml conical flasks, each flask with a matching glass stopper, which is more suitable for the analysis of volatile substances and experiments that cannot use cork or rubber stopper.
- Material: these flasks of great quality are made of 3.3 Borosilicate glass, with high chemical durability and low thermal expansion, which can withstand the high temperature and thermal shocks. Microwavable and autoclavable.
- Features: thick glass, heavy duty rim, smooth surface, wide stable base, fadeless white graduation.
9.1Excellent
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8
UtileUtile 4 Pcs 250ml Glass Erlenmeyer Flask with Blue Cap, Narrow Mouth Erlenmeyer Flasks, Borosilicate 3.3 Glass Conical Flask for Lab Experiment Chemistry Science,4016.0752.4
Main highlights- Industrial Strength: These flasks are made of 3.3 Borosilicate glass material, uniform wall thickness, high quality and heavy duty.
- Good Heat and Chemical Durability: These flasks will withstand repeated standard autoclave cycles of 121°C at 15 psi for 5 minutes, they are designed for heating by hot plate, flame, oven, microwave or heating mantle.
- Designed for use in professional laboratories, also ideal for classroom and home daily use.
- Conical Type and Narrow Mouth: These flasks are narrow mouth in conical type, with printed graduation and extra large marking spot.
- 250mL Capacity: 4pcs of 250ml lab glass Erlenmeyer conical flasks in total.
9.0Excellent
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9
PATIKILPATIKIL Erlenmeyer Flask, 6 Set 50ml 1.7oz Narrow Mouth Graduated Flasks with Rubber Stopper Borosilicate Glass Flasks with Printed Graduation for Lab Experiment Chemistry Science Study
Main highlights- [Good High Borosilicate Glass] The erlenmeyer flask uses high borosilicate glass, which is high temperature resistant, chemically stable, and has strong corrosion resistance. [Clear Scale] The scale on the surface of the graduated flasks is clear, allowing precise volume measurement to ensure the accuracy of the experiment. [Narrow Mouth Design & Rubber Stopper] The narrow mouth design of the erlenmeyer flask and rubber stopper can prevent experimental liquids from evaporating and spilling.
- Specification: Color: Transparent Material: High Borosilicate Glass Capacity: 50ml / 1.7oz Total High: 89 mm/ 3.5 inch Bottom Diameter: 52 mm/ 2.05 inch Bottle Mouth Outer Diameter: 25 mm/ 0.98 inch Packing List: 6 x Glass Erlenmeyer Flask; 6 x Rubber Stopper
- Narrow mouth graduated flasks are versatile and reliable tools for accurately measuring, mixing and storing liquids in a laboratory setting. Glass erlenmeyer flasks are made of good materials. Graduated flasks are strong and durable, with a stable bottom and high transparency. They are widely used in scientific laboratories, education, industrial research and development, etc.
- NOTE: 1. Please check the size before purchasing. 2. Please handle glass products with care
- Instruction: [Easy to Use] The graduated flasks are suitable for beginners and professionals. The glass erlenmeyer flask is also suitable for teaching activities, fun experiments, etc. It is convenient and practical.
8.7Very Good
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10
QWORKQWORK 500ml Lodine Flask with Stopper, Thick Wall Flask with 24/29 Standard Conical Outer Connection, 2 Pack Heavy Duty Borosilicate Glass Erlenmeyer Flask Interchangeable Stopper, Conical Shape
Main highlights- Widely used: Suitable for any science or home lab.
- Style: Narrow mouth. Interchangeable plugs are included. Receptacle size 24/29.
- Height: 8" high, 4" diameter base.
- Durable: Made of high quality heavy duty 3.3 borosilicate glass.
- Capacity: 500ml. Quantity: 2 Pack.
8.4Good
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