Specification Brand : LABOY BulletPoint : Heavy-Wall Borosilicate Glass Construction Crafted from premium 3.3 borosilicate glass with thick walls (3.5–5mm) for superior thermal and mechanical strength. Withstands direct flame heating, vacuum conditions, and extreme temperature changes without cracking. BulletPoint1 : Heavy-Wall Construction: Made from thick borosilicate 3.3 glass for durability in rotary evaporators and chemistry labs. BulletPoint2 : Pear-Shaped Recovery Flask: Provides increased surface area for efficient solvent evaporation and heating uniformity. BulletPoint3 : Standard Taper Joint: Features a precision 24/40 joint compatible with condensers and lab apparatus. BulletPoint4 : Hand-Blown Craftsmanship: Meets ASTM E438 Type I Class A standards for superior clarity, strength, and performance. BulletPoint5 : Wide Laboratory Use: Perfect for rotary evaporation, solvent recovery, organic synthesis, and distillation setups. Capacity : 25 milliliters Color : Clear ExternallyAssignedProductIdentifier1 : 762047808475 ExternallyAssignedProductIdentifier2 : 0762047808475 ExternallyAssignedProductIdentifier3 : 00762047808475 IncludedComponents : flask ItemName : Laboy Glass 25mL Round Bottom Boiling Flask, Single Neck Heavy Wall Borosilicate with 19/22 Joint – Heating, Reaction & Receiving Flask for Organic Chemistry Lab Use(Pack of 5) ItemPackageDimensions_Height : 2 inches ItemPackageDimensions_Length : 2 inches ItemPackageDimensions_Width : 2 inches ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-boiling-flasks Manufacturer : Laboy Material : Borosilicate Glass ModelNumber : HMF010305L NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : HMF010305L ProductDescription : Material: PP (Polypropylene) Feature: Inside with steps, Autoclavable Diameter: 160mm Max Flask Volume: 10L Max Temp.: Up to 100ºC, 120ºC for short time