Sealed to Prevent Leaks
Sealing is the main focus for this product. We have made droppers for 12 years. This glass dropper with rubber teat is designed for experiments that need a tight seal to prevent spills or evaporation. We make sure the glass body and the rubber teat fit together very closely. This tight fit is the key to its good performance.
|
Parameter |
Specification |
|
Material (Glass) |
3.3 Borosilicate Glass, Silica Content ≥80% |
|
Material (Teat) |
Food-Grade Nitrile Rubber |
|
Max Temperature (Glass) |
300°C |
|
Length |
160 mm |
|
Outer Diameter (Body) |
11 mm |
|
Outer Diameter (Tip) |
4.5 mm |
|
Total Capacity |
4 ml |
|
Droplet Size |
0.05 ml per drop (error ≤ ±0.005 ml) |
|
Teat Inner Diameter |
3 mm |
Food-Grade Rubber for Safety and Reliability
Many rubber teats become hard and leak over time. We use food-grade nitrile rubber for our glass dropper with rubber teat. It has no bad smell. It resists aging and corrosion. It bounces back quickly after you press it. This creates a good seal, so liquids do not leak or evaporate. The glass body is our standard 3.3 borosilicate glass. It has at least 80% silica. It resists high heat and many chemicals.
Built for Easy Cleaning and Reuse
This glass dropper with rubber teat has no scale marks. Its job is to focus on a secure transfer. You can sterilize the glass body at 121°C. The rubber teat can be taken off for easy cleaning. This allows for many uses, which saves money on supplies. We pack them in a carton with foam padding, 80 pieces per box. We offer a three-year warranty. If you need a custom version, just let us know.
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