Rimmed Glass Test Tubes

Safe Operation Design Makes Rimmed Glass Test Tubes a Lab Must-Have

 

We have 12 years of production experience in making lab glassware, and product are one of our classic hot-selling products. These tubes feature a unique rimmed structure that solves the problems of slipping and poor sealing of ordinary test tubes. They are widely used in chemical experiments, biological cultivation and teaching demonstrations. The rimmed edge makes it easier to hold or clamp the tubes, and it effectively reduces the risk of falling during sample transfer and heating operations. They are a cost-effective choice for labs with high-frequency daily operations.

We use lead-free and arsenic-free borosilicate 3.3 glass to produce these tubes. The material has stable chemical properties and can withstand temperature changes from -18℃ to 140℃ without cracking from thermal shock. We adopt full automatic precision tube drawing technology, and the integrated fired rimmed edge is smooth and thick without burrs. We carry out 100% full inspection for all products, and the size error of each tube is controlled within ±0.15mm with uniform wall thickness. You can clean the tubes repeatedly and conduct 121℃ high-pressure sterilization on them, and they will not deform after multiple uses.

The tubes have clear and standard parameters, and the clear capacity scale on the tube body has a reading error of ≤0.8%, which helps you control sample dosage accurately. We provide a three-year warranty for all our products, and we can customize specifications for your bulk purchase needs. The round bottom design allows the tubes to be placed directly on regular test tube racks, and the tube mouth fits tightly with rubber or cork stoppers for good sealing. Our factory ensures stable supply, so you don't have to worry about stock shortages for daily lab use.

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