🔬 Premium Heavy Wall Lab Test Tube Equip your laboratory with this professional-grade, thickened glass test tube. Designed with a convenient curling mouth and a durable round bottom, it is the perfect glassware for high-temperature heating, chemical mixing, and safe sample storage.

⭐ Key Features

• Heavy Wall Construction: Manufactured with thickened glass to provide superior mechanical strength and drastically reduce the risk of breakage during experiments.

• Premium Material: Crafted from High Borosilicate Glass, offering excellent thermal shock resistance and high chemical durability.

• Curling Mouth Design: Features a rolled rim (curling mouth) for safe handling, drip-free pouring, and secure fitting of rubber stoppers or corks.

• Uniform Round Bottom: Ensures even heat distribution when exposed to a direct flame, making it ideal for boiling and reaction processes.

• 100% Safe: Contains no high-concerned chemicals, keeping your experimental environment pure and uncontaminated.

⚙️ Technical Specifications

• Classification: Laboratory Test Tube

• Material: High Borosilicate Glass

• Outer Diameter (O.D.): 40mm

• Length (L.): 225mm

• Rim Style: Curling Mouth (Rolled Lip)

• Bottom Design: Round Bottom / Inverted

📦 Package Includes:

• 1 x Thickened Borosilicate Glass Test Tube (40mm x 225mm)