Why Choose StonyLab?

1. The StonyLab means high-quality products for reasonable prices.

2. We boast excellent customer service with a high satisfaction rating, with our team of representatives read...

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Product Review


Why Choose StonyLab?

1. The StonyLab means high-quality products for reasonable prices.

2. We boast excellent customer service with a high satisfaction rating, with our team of representatives ready to assist you Monday to Friday, from 9:30AM to 5:30PM Eastern Time.

3. We pack and ship your orders directly from our US-based warehouse within 24 business hours, and tracking information will be provided to you as soon as it's available.

StonyLab Glass Single Neck Flat Bottom Boiling Flask, with 24/40 Standard Taper Outer Joint

  • Flat bottom boiling flask used in chemical experiments for distillation, reflux, synthesis reactions, and other operations
  • Single neck with 24/40 standard taper outer joint; capacity: 500 ml
  • Made of borosilicate glass, it exhibits excellent corrosion resistance and a low coefficient of thermal expansion; stable operating temperature: 450°C
  • Inspect the product for cracks before use; do not heat with open flames; instantaneous temperature changes must not exceed 140°C; the manufacturer is not liable for damages caused by improper operation
  • Warranty: 1-year coverage period for your peace of mind, if received damaged, please let us know and we will solve it promptly

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