- Material: Typically made from Borosilicate 3.3 glass, known for high thermal shock resistance and chemical durability.
- Dimensions:
- Height: Approximately 150mm to 165mm (6.5 inches).
- Outer Diameter: Roughly 102mm to 105mm (4 inches) at the widest point.
- Joint Size: Standard 24/29 socket (interchangeable).
- Compliance: Often conforms to international standards like ISO 4797, DIN 12392, or ASTM E-438
Purchasing Options
You can find these flasks through various scientific suppliers and online marketplaces:
- Global/Online Retailers:
- Amazon: Often lists brands like Eisco Labs or HUILE.
- eBay: Frequently has listings for Glassco and other high-quality borosilicate options.
- Sigma-Aldrich: Offers the premium Quickfit brand (FR500/3S), though availability varies by region.
- Specialized Lab Suppliers:
- Fisher Scientific: Stocks various brands including DURAN and Quickfit.
- Eisco Labs: Direct purchase for heavy-duty boiling flasks or specialized Kjeldahl flasks.
- Carl ROTH: Provides clear glass options conforming to DIN ISO standards.
- Regional Options:
- In Bangladesh, they are available via
- In India, you can find single-neck heavy-wall versions on IndiaMART.
Typical Price Ranges
- Standard Single-Neck: Generally ranges from $15 to $35 USD depending on the brand and wall thickness.
- Premium Brands (e.g., Quickfit): Can cost significantly more, often exceeding $100 USD for certified laboratory-grade glass.
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