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Best EiscoLabs Glass Flasks

EiscoLabs Glass Flasks feature premium borosilicate Erlenmeyer flasks in 100mL and 250mL packs of 12. Durable, narrow-neck conical designs for lab, mixing, and precise applications.

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EiscoLabs 12 Pack 100mL Borosilicate Glass Erlenmeyer Flasks - Narrow Neck, Heat-Resistant, Lab Grade Conical Flasks

EiscoLabs offers a 12-pack of 100mL narrow-neck Erlenmeyer flasks made from heavy-duty borosilicate 3.3 glass with white enamel graduations every 25mL. Their superior heat tolerance and chemical durability make them perfect for educators, researchers, and professional labs.

  • Accurate measurements with clear white enamel graduations every 25mL for precise lab work
  • Extreme heat resistance up to 820°C softening point, ideal for heating and thermal shock experiments
  • Reinforced rims and uniform walls prevent breakage during rigorous use
  • Autoclavable and dishwasher safe for effortless sterilization and cleaning
  • DIN ISO 1773 certified for professional reliability in labs and classrooms

High-quality borosilicate 3.3 glass withstands high temperatures and shocks. Easy-to-read graduations and narrow necks for controlled pouring. Meets international DIN ISO standards for trusted quality.

Glass construction requires careful handling to avoid breakage. No rubber stoppers included for sealing. Narrow necks may slow pouring of thicker liquids.

Eisco Labs 12 Pack 250mL Borosilicate Glass Erlenmeyer Flasks - Narrow Neck, Heavy Duty, Autoclavable Conical Flasks

This 12-pack of 250mL narrow-neck Erlenmeyer flasks from Eisco Labs is crafted from heavy-duty borosilicate 3.3 glass for exceptional heat and chemical resistance. Perfect for educators, researchers, and professional labs needing reliable, standards-compliant conical flasks.

  • Exceptional heat tolerance up to 820°C softening point prevents cracking during heating or autoclaving
  • Superior chemical durability ensures long-lasting performance in harsh lab environments
  • Easy-to-read white enamel graduations every 50mL simplify precise volume measurements
  • Reinforced rims and uniform walls provide impact resistance and even heating
  • Meets DIN ISO 1773 standards for consistent quality in professional and educational settings

High-quality borosilicate glass withstands thermal shocks and high temperatures. Accurate, visible graduations meeting international standards. Autoclavable and microwavable for versatile lab use.

No lids or stoppers included, requiring separate purchase. Narrow necks may slow pouring of thicker liquids. Glass material demands careful handling despite reinforcements.

Discover the precision and durability of EiscoLabs Glass Flasks, where lab-grade quality meets everyday versatility. This category showcases two essential packs: 12PK Erlenmeyer Flasks in 100mL and 250mL sizes, both crafted from high-quality borosilicate glass with narrow necks and iconic conical shapes. Whether you're equipping a home lab, experimenting with cocktail infusions, or needing reliable vessels for mixing and measuring, EiscoLabs delivers exceptional performance that stands out in the world of Glass Flasks.

Why Choose EiscoLabs for Your Glass Flasks?

EiscoLabs has built a stellar reputation in scientific glassware for producing reliable, high-precision equipment trusted by educators, professionals, and hobbyists alike. What sets their flasks apart is the superior borosilicate 3.3 glass construction, which offers unmatched thermal shock resistance, handling rapid temperature changes without cracking. This makes them far more robust than standard soda-lime glass options found elsewhere. Narrow necks ensure controlled pouring and easy stopper fitting, while the conical design promotes complete drainage and mixing efficiency.

In the broader landscape of Bar Tools and drinkware, EiscoLabs flasks bring lab-level accuracy to creative applications like syrup making or spirit aging, elevating your setup beyond typical bar accessories.

Key Features to Consider in EiscoLabs Erlenmeyer Flasks

  • Borosilicate Glass: Low expansion coefficient for superior heat and chemical resistance, ideal for hot liquids or reactive solutions.
  • Narrow Neck Design: Facilitates secure sealing and precise pouring, reducing spills.
  • Conical Shape: Enhances swirling, mixing, and sediment collection, perfect for titrations or infusions.
  • Pack of 12: Cost-effective bulk option for classrooms, labs, or multiple bar stations.
  • Graduated Markings: Clear, durable etchings for accurate volume readings.

When shopping, prioritize these features based on your needs: heat resistance for boiling applications, neck diameter for stopper compatibility, and capacity for volume demands. EiscoLabs excels here, offering consistency across their lineup.

Comparing EiscoLabs 100mL vs 250mL Erlenmeyer Flasks

Both packs contain 12 identical flasks, differing primarily in capacity to suit varied workflows. The 100mL version is compact, perfect for small-scale experiments, sample storage, or delicate bar mixes where precision trumps volume, like testing bitters or essential oil dilutions. Its smaller footprint saves bench space and is easier to handle in tight setups.

In contrast, the 250mL flasks provide ample room for larger batches, such as educational demos, home brewing starters, or cocktail base preparations. They maintain the same wall thickness and clarity, ensuring uniformity if you're stocking up on multiples. Choose 100mL for portability and micro-dosing; opt for 250mL when scalability matters. For alternatives in decorative styles, consider options from Bormioli Rocco Glass Flasks, though they lack the lab precision of EiscoLabs.

Common Use Cases for EiscoLabs Glass Flasks

These flasks shine in diverse scenarios. In labs or classrooms, they're staples for chemistry experiments, culturing, and storage. Home brewers and distillers appreciate the chemical inertness for fermenting small batches. Bartenders innovate with them for infusions, think fruit-infused vodkas or custom syrups, thanks to the stable shape and heat tolerance. Even in Dining & Entertaining setups, they add a scientific flair to molecular mixology. Part of our expansive Kitchen & Dining selection, they bridge professional and casual use seamlessly.

Frequently Asked Questions

Are EiscoLabs flasks autoclavable?

Yes, the borosilicate construction withstands standard autoclaving cycles up to 121°C, making them suitable for sterilization in lab environments.

What makes EiscoLabs better than other brands?

EiscoLabs prioritizes uniform wall thickness and precise graduations, outperforming many competitors in durability and accuracy. Compared to soda-lime alternatives, their thermal resistance prevents failures during heating.

Which size should I choose: 100mL or 250mL?

Select 100mL for small volumes and space-saving; go for 250mL for larger mixes. Buy both if your needs vary.

Does EiscoLabs offer a warranty?

EiscoLabs provides a limited manufacturer's warranty against defects, with responsive customer support for replacements or inquiries.

Can these flasks be used for food or drink?

Absolutely, their chemical resistance and food-safe borosilicate make them ideal for bar and kitchen applications like infusions or syrups.