Our Basic Model, Built to Last
This is the basic model from our factory. We have made droppers for 12 years, and this laboratory glass dropper is the most common type used in labs. It is not fancy, but it is stable and strong. It can handle most daily lab work with no trouble. We make it to a high standard that lab workers can trust.

|
Parameter |
Specification |
|
Material |
3.3 Borosilicate Glass, Silica Content ≥80% |
|
Max Temperature |
300°C, withstanding 150°C thermal shock |
|
Wall Thickness |
0.8-1.0 mm, uniform and bubble-free |
|
Length |
170 mm |
|
Outer Diameter (Body) |
11 mm |
|
Outer Diameter (Tip) |
4.5 mm |
|
Total Capacity |
4 ml |
|
Droplet Size |
0.04 ml per drop (error ≤ ±0.004 ml) |
Made to Standard Lab Specifications
We follow lab supply standards for every step. The material is 3.3 borosilicate glass with at least 80% silica. It can take heat up to 300°C and sudden temperature changes of 150°C. The wall is 0.8-1.0 mm thick, with no bubbles. The tip is polished smooth, so it will not scratch your glass containers. Every laboratory glass dropper passes our tests for heat, chemical resistance, and a good seal.
A Smart Choice for Bulk Orders
This laboratory glass dropper has no scale marks, which makes it a good fit for many basic tasks. You can clean and reuse it many times. It handles 121°C high-pressure sterilization without any change in shape. This helps lower your supply costs. We pack them in sterile, independent packaging, 100 pieces per box. Our factory has a strong production capacity. If you are a reseller, this is a great product for schools and research labs. We offer a three-year warranty and competitive prices for bulk orders.
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