Erlenmeyer Flask, Narrow Neck, High quality borosilicate 3.3 glass Erlenmeyer Flask with narrow neck design., Each

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Here is the corrected text: This single Erlenmeyer flask features a 50mL capacity and easy-to-read white enamel graduations every 25mL. Made of high-quality, heavy-duty borosilicate 3.3 glass, it offers excellent strength against breakage and superior chemical durability. The flask is microwavable and autoclavable, withstanding high temperatures and thermal shocks. Its uniform wall thickness makes it ideal for heating, while the reinforced rim provides protection against high impacts. Conforming to DIN ISO 1773 standards for narrow-neck conical flasks, this product boasts superior chemical durability and heat tolerance. Designed for use in professional laboratories, it is also an excellent choice for science classrooms and household use. The borosilicate glass has a low temperature gradient and can withstand high temperatures and thermal shocks, with the following heat tolerances: strain point 515°C, annealing point 565°C, and softening point 820°C.