ReviewsGlass Capillary Tubes

Borosilicate Glass 100mL Standard Color Comparison Tube (Matched Set of 12)

Standardized glass tubes used to fill with standard solution colors for visual color comparison with similar tubes containing solution samples.
Color comparison tubes are used for visually comparing solution sample colors..
Matched set of 12 tubes for consistent graduated-ring scale..
Shadowless bottom transmits undistorted light..

Standardized glass tubes used to fill with standard solution colors for visual color comparison with similar tubes containing solution samples.
Color comparison tubes are used for visually comparing solution sample colors..
Matched set of 12 tubes for consistent graduated-ring scale..
Shadowless bottom transmits undistorted light..

Product Content:20pcs 40ml cork stopper round bottom glass test tubes..
Capacity:40ml.Tube size:20×180mm.Clear test tube length:17.8cm/7in.The INNER diameter of tube is 0.7in..
Usage:Glass test tube can be used to store candy,granular food materials,liquid,sample,powder or cultivated plants.The transparent test tube is suitable for various scientific tests..
Material:Glass test tubes can be heated.Test tubes are made of borosilicate glass..
Features:The cork has a good seal and the cork stopper test tubes can be used repeatedly after cleaning..

Made of glass, good thermal stability, chemical stability, mechanical properties,high transparency.
Standardized glass tubes used to fill with standard solution colors for visual color comparison with similar tubes containing solution samples.
In contrast, two colorimetric tubes were placed in front of white paper of the same degree of illumination, and the color difference was observed with the naked eye.
Color comparison tubes are used for visually comparing solution sample colors.

Made of glass, good thermal stability, chemical stability, mechanical properties,high transparency.
Standardized glass tubes used to fill with standard solution colors for visual color comparison with similar tubes containing solution samples.
In contrast, two colorimetric tubes were placed in front of white paper of the same degree of illumination, and the color difference was observed with the naked eye.
Color comparison tubes are used for visually comparing solution sample colors.

Made of glass, good thermal stability, chemical stability, mechanical properties,high transparency.
Standardized glass tubes used to fill with standard solution colors for visual color comparison with similar tubes containing solution samples.
In contrast, two colorimetric tubes were placed in front of white paper of the same degree of illumination, and the color difference was observed with the naked eye.
Color comparison tubes are used for visually comparing solution sample colors.

Made of glass, good thermal stability, chemical stability, mechanical properties,high transparency.
Standardized glass tubes used to fill with standard solution colors for visual color comparison with similar tubes containing solution samples.
In contrast, two colorimetric tubes were placed in front of white paper of the same degree of illumination, and the color difference was observed with the naked eye.
Color comparison tubes are used for visually comparing solution sample colors.

Create high-gloss mirrored effects on nearly any surface.
To achieve the best mirror effect, apply to a smooth and non-absorbent surface - like glass or plastic.
Flowmaster pump marker system has patented capillary technology.
Acrylic-based hybrid paint is UV and weather-resistant for highest opacity.

GLASS CENTRIFUGE TUBE: These PYREX borosilicate glass tubes are convenient lab equipment for centrifugation up to 3,000 RCF and are supplied with screw caps..
REUSABLE TEST TUBE: Offering exceptional clarity, the glass test tubes offer good thermal and chemical resistance, and are ideal scientific culture tubes for biology, chemistry and industrial use..
SCREW CAP: The centrifuge tube is finished with a round bottom and a threaded phenolic cap with durable white rubber liner, giving a secure seal..
EASY TO CLEAN: The reusable glass tube with cap is easy to clean and can be sterilized safely in autoclaves at 121°C, making them ideal lab glassware for busy environments..
PYREX GLASSWARE: PYREX scientific glassware has been a trusted partner for chemists and research scientists in the toughest laboratory environments for more than 100 years..

Package: 30 pack 13ml transparent glass test tubes with cork stoppers..
Size: 0.6 inches × 3.9 inches / 15 × 100mm, volume: 13ml..
Material: The glass test tubes are made of high-quality borosilicate glass and can be heated and reused..
Features: Each glass test tube is equipped with a cork stopper, have a good seal. High quality glass makes the test tube have good heat resistance and can be used at high temperature..
Use:They can be used to store liquid, bath salts, powder, candy, sample, beads. Transparent test tubes are suitable for various scientific experiments, plant propagation, making crafts, holiday party and home decoration..

Create high-gloss mirrored effects on nearly any surface.
To achieve the best mirror effect, apply to a smooth and non-absorbent surface - like glass or plastic.
Flowmaster pump marker system has patented capillary technology.
Acrylic-based hybrid paint is UV and weather-resistant for highest opacity.