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🧬 Elevate your lab game with precision and durability that professionals trust!
The CE-250 ASTM STD Glass 250ml Round Bottom Boiling Flask is a professional-grade laboratory flask made from durable borosilicate 3.3 glass. Featuring a universal 24/40 ground joint and a heavy-wall design, it offers exceptional thermal resistance and compatibility with standard lab equipment. Certified to ASTM standards, this 250ml flask is ideal for precise boiling and chemical reactions, combining reliability with long-lasting performance.
| ASIN | B07ZYPKSNX |
| Best Sellers Rank | 74,648 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 85 in Lab Flasks |
| Bottom Shape | Round |
| Bottom shape | Round |
| Brand | DONLAB |
| Capacity | 250 Millilitres |
| Country Of Origin | China |
| Customer Reviews | 4.9 out of 5 stars 12 Reviews |
| Graduation Interval | 250 Millilitres |
| Graduation interval | 250 Millilitres |
| Manufacturer | DONLAB |
| Manufacturer Part Number | FLK-01-250 |
| Material | Glass |
| Material Type | Glass |
| Specification Met | CE |
| Specification met | CE |
P**N
These are fantastic great price
Beautiful glaswere for my lab and will be used very soon prober size fit my heating mantel perfectly
D**N
Thick glass, durable but doesn’t fit keck clips
First arrived damaged but seller replaced immediately. Delivered in a bulging polystyrene box so no surprises why the first got smashed. The glass is pretty thick so I’m not worried about accidentally smashing it on something, but thermal gradients may be an issue. The ground joint is also very thick glass and is too big for keck clips, they should really provide a special clip with the flask if it’s going to be that chunky. Joint fits other glassware well.
C**N
Politically correct size
Brandy distilling must have
S**H
Quality heavy wall recieving flask. Good value and arrived early. No bubbles or defects in the glass
Heavy wall recieving flask works great under high vacuum. Ground glass fitting was a perfect match to my male end and had no vacuum leak with apiezon high temp vac grease on the fitting. Distillation ran smoothly
Trustpilot
3 weeks ago
3 weeks ago