10 Best Conical Flask 250ml In The Us - Black Friday 2024
Best Choice1
EISCOEISCO 12PK Erlenmeyer Flasks, 250mL - Borosilicate Glass - Narrow Neck Flasks, Conical Flasks, Glass Flasks
Main highlights- SUPERIOR DURABILITY || Features uniform wall thickness ideal for heating and a reinforced rim for protection against high impacts
- MEETS DIN ISO STANDARDS || Conforms with DIN ISO 1773 standards for narrow neck conical flasks
- INDUSTRIAL QUALITY || Made of high quality, heavy duty, borosilicate 3.3 glass with excellent strength against breakage. Microwavable and autoclavable, with superior chemical durability. Can withstand high temperatures and thermal shocks
- GREAT FOR PROFESSIONAL LABORATORIES, CLASSROOMS & HOUSEHOLD || Superior chemical durability and heat tolerance. Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use
- 250mL CAPACITY || Pack of 12 Erlenmeyer Flasks, each with 250mL capacity and easy-to-read white enamel graduations every 50mL
9.8Exceptional
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Value for Money2
OkulabOkulab Conical Flask Set, 250mL Glass Erlenmeyer Flasks, Narrow Mouth, 3.3 Borosilicate Glass Conical Flask Set (case of 6) for Lab, Classroom, Craft, Kitchen,EFNG250A6
Main highlights- Tolerance: accurate to within 5 percent
- Standard Specification: ASTM Specification E960, Type I requirements.
- Size: 34mm(O.D of flask neck), 85mm (O.D of flask bottom)
- Characteristics: Sturdy and durable, heat and corrosion resistance, acid and alkali resistance, thermal shock resistant, reusable.
- Capacity: Vol.250ml, 6pcs per set
9.6Exceptional
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3
UtileUtile Glass Erlenmeyer Flask Set, 250ml Narrow Mouth Erlenmeyer Flasks, 6pcs of Borosilicate 3.3 Glass Conical Flasks for Laboratory with Printed Graduation, 4016.0250.6
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: 6pcs of 250ml lab glass Erlenmeyer conical flasks in total.
9.4Excellent
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4
SCIENCENT WITH DEVICEGlass Conical Flask Set of 6 Conical Lab Flasks 25ml, 50ml, 150ml, 250ml, 500ml, 1000ml.
Main highlights- Tips from our buyers: "Always remember to rinse glassware out with deionized water 3-4 times and to put the glassware away if you are not using them, and make sure you wear your safety goggles for crazy experiments!"
- Set of 6 Volume: 25ml (0.88oz), 50 ml (1.69 oz), 100 ml (3.38 oz), 250 ml (8.45 oz), 500 ml (16.9 oz), and 1000 ml/1 Liter (33.81 oz)
- Borosilicate Erlenmeyer Flasks Will not shatter easily, With graduated measurements, Uniform Wall Thickness. Must have for a Complete Laboratory
- Baked and Tempered: These glass conical flasks can withstand direct heat from burner for boiling, and chemical pressure
9.3Excellent
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5
EISCOEISCO Erlenmeyer Flask, 250ml - Borosilicate Glass - with PTFE Screw Cap - Conical Shape - White Graduations
Main highlights- Top rack dishwasher safe and autoclavable.
- The cap is made of polypropylene, has a PTFE liner, and is acid proof and autoclavable.
- The base diameter of the bottle is 2.75" and the overall height is 5". Please note: these are hand blown with the capacity in mind and overall dimensions can vary slightly.
- Hand blown premium borosilicate 3.3 glass.
- Designed to store liquids in the laboratory, but can be used in the home as well -- or even in a set for "potions".
9.1Excellent
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6
HUAOUHUAOU 250ml Glass Erlenmeyer Flask Set, 3pcs Laboratory Glassware Flask with Glass Stopper for Chemistry Classroom Home Use, 3.3 Borosilicate Labware Science Flask, Narrow Mouth, Printed Graduation
Main highlights- Widely Application: Bottles with lid can be used for professional scientific experiment and school classroom lab, also suitable for food container, candy storage, plant propagation, yeast culture, decanter. Party supplies for Christmas, Halloween, kids birthday, wedding, science themed party.
- Safe Material: Type I requirements, Type 1 Class A 3.3 Borosilicate Glass, ASTM Specification E960. Heavy duty rim with smooth surface, wide stable base, narrow mouth, fadeless white graduation. High chemical durability and low thermal expansion. Microwavable and autoclavable.
- Laboratory Flasks: 3pcs 250ml erlenmeyer flask with a matching glass stopper. Vol.250ml / 8.45oz - 3.26in (83mm) x 5.51in (140mm). The specially equipped frosted glassware stopper fits the flask very well. It is store cleaner and hygienic than cork and rubber stoppers, easy to clean.
- Easy Use: Clear printed tick marks scale, precise measurement and ample labeling space makes it easy to measure liquids.The scientific thick conical flask reusable and easy to clean, and will not shatter easily. Ideal for repeated use in busy lab environment.
9.0Excellent
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7
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.
8.9Very Good
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8
EISCOEISCO Filtering Flask, 250mL - Borosilicate Glass - Conical Shape, with Integral Side Arm - White Graduations
Main highlights- OPTIMIZED MOUTH & NECK DESIGN || Optimized mouth and neck with 24.5mm inner diameter opening ensures secure fit with stopper when under pressure (stopper not included)
- INTEGRAL SIDE ARM || Conical flask with tubulated integral side arm adaptable to 3/8" internal diameter tubing
- INDUSTRIAL QUALITY || Made of high quality, heavy duty, borosilicate 3.3 glass with excellent strength against breakage. Microwavable and autoclavable, with superior chemical durability. Can withstand high temperatures and thermal shocks
- HEAVY WALL || Heavy wall design for safe use under vacuum pressure
- 250mL CAPACITY || 250mL capacity and easy-to-read white enamel graduations every 50mL
8.6Very Good
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9
UtileUtile Plastic Erlenmeyer Flask Set with Screw Caps, 6pcs of Vol.250ml Scientific Conical Flask Laboratory Flask,with Molded Graduations, 4023.0652.6
Main highlights- WIDELY USED: Erlenmeyer flasks are widely used in education, chemistry, research mixtures and kitchen seasoning.
- TRANSLUCENT DESIGN: The translucent wall and the graduation line enable users to clearly see the liquid and liquid level, which is very helpful in the experiment.
- RELIABLE QUALITY: Food-grade PP Plastic, 121℃ autoclavable, acid and alkali RELIABLE QUALITY: Food-grade PP Plastic, 121℃ autoclavable, acid and alkali corrosion preventive, without burrs, bubbles, smooth and round, durable and practical. preventive, without burrs, bubbles, smooth and round, durable and practical.
- PACKING: 2 pcs of 1000ml.
- CLEAR SCALE: Laboratory flask has clear scale for accurate measurement.
8.5Good
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10
ULTECHNOVOULTECHNOVO Erlenmeyer Flask, Glass, 250 ml Narrow Mouth Conical Flasks with Ground Glass Stoppers, Graduated Borosilicate Glass Flask for School Lab Experiment
Main highlights- The wall thickness of heavy-duty glass is evenly distributed, no bubbles, no burrs, smooth and round, and has good sealing properties
- The glass flask is designed with silk-screened graduations, milled stopper and extra-large marking area. Standard capacity, clear scale, easy to identify and accurate measurement
- The glass flask conical is convenient for school laboratory students to use when doing experiments in chemistry classes
- The Erlenmeyer flask is made of glass material, which is , safe and . Water, acid and alkali resistant
- Laboratory flasks are widely used in educational, , research or life science
8.2Good
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