Glass Capillary Tube
Your Leading Glass Capillary Tube Supplier
Chongqing New Way Trading Co., Limited. is a Modern Enterprise which specialized in developing, manufacturing and marketing of lab glasswares, plastic disposables and medical consumables, which has a complete independent research and industrial line. Glass capillary tubes have become indispensable supplies in laboratories, serving many applications across various research fields. In the medical research field, they are crucial for the precise handling of minute liquid volumes, blood sampling, microfluidics experiments, and manipulating small biological samples. Their versatility and precision make glass capillary tubes a foundational tool in the advancement of science.
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Blue Top Glass Micro Hematocrit Capillary TubeHematocrit glass capillary tubes are small, thin glass tubes used for collecting and measuring small volumes of blood samples. They are used in medical and laboratory settings for various...read more
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Red Top Glass Micro Hematocrit Capillary Tube With HeparinMicro hematocrit capillary tube with heparin is specialized capillary tubes that are treated with an anticoagulant called heparin.Micro hematocrit capillary tube with heparin is a long, thin,...read more
Why Choose Us
Rich Production Experience
The company has been committed to the supply of laboratory and medical consumables since 2009.
Advanced Production Capabilities
The factory has a 100,000-level purification workshop, standard production line and quality inspection center.
Support Customized Service
We have more than 300 products, all of which can be OEM according to customer needs.
Quality Guaranteed
Xinwei is a branch of Chongqing New World Company, and the factory has obtained CE and ISO13485 certifications.
Types of Glass Capillary Tube
Red Top Glass Micro Hematocrit Capillary Tube With Heparin
Micro hematocrit capillary tube with heparin is specialized capillary tubes that are treated with an anticoagulant called heparin.Micro hematocrit capillary tube with heparin is a long, thin, hollow glass tube with an inner diameter usually between a few millimetres and a few tens of microns.
Blue Top Glass Micro Hematocrit Capillary Tube
Hematocrit glass capillary tubes are small, thin glass tubes used for collecting and measuring small volumes of blood samples. They are used in medical and laboratory settings for various applications, including hematocrit determinations and blood analysis.

Specifications of Glass Capillary Tube
|
Code |
Description |
I.D. (mm) |
O.D. (mm) |
Packing |
Carton Size (cm) |
Weight (kg) |
|
TYG20 |
Glass With heparin, red top |
1.1-1.2 |
1.5-1.6 |
100pcs/barrel, |
27*26*45 |
16 |
|
50000pcs/ctn |
||||||
|
TYG20-1 |
500pcs/barrel, |
49*24*18 |
14 |
|||
|
50000pcs/ctn |
Performance of Glass Capillary Tube




Chemical Inertness
Glass is highly resistant to chemicals, making it an ideal material for capillary tubes that need to come into contact with aggressive substances. This chemical inertness ensures that the glass does not react with the substances it encounters, preventing contamination and preserving the purity of samples.
Transparency
The transparency of glass allows for the visual inspection of the contents within the capillary tube. This is particularly beneficial in medical and laboratory settings where observing the flow of liquids or the presence of certain elements within the tube is necessary.
Thermal Stability
Glass has excellent thermal stability, meaning it can withstand high temperatures without deforming or losing its structural integrity. This property is crucial for applications that involve heating or cooling the contents of the capillary tube.
Capillarity
The smooth and uniform inner surface of glass capillary tubes enhances capillary action, allowing for the efficient movement of small volumes of liquid. This is essential for precise measurements and analyses in fields such as chemistry and medicine.
Customizability
Glass can be easily shaped and customized into various sizes and forms, making it possible to produce capillary tubes that meet specific requirements. This flexibility in design allows for the creation of tubes that are perfectly suited for particular applications.
Biocompatibility
Being non-toxic and biocompatible, glass capillary tubes do not induce adverse reactions when in contact with biological samples. This makes them safe for use in medical applications, including those that involve direct interaction with human tissues or fluids.
Durability and Reusability
Although glass is perceived as fragile, certain types of glass used in capillary tubes are quite durable and can withstand repeated use. This durability, combined with the ability to sterilize glass tubes, makes them reusable, offering cost-effectiveness over time.
Customization Options
| Size | Customizable |
| Shape | Customizable |
| Surface treatment | Customizable |
| MOQ | 500bottles |
Precautions for Using Glass Capillary Tube

Selecting Appropriate Glass Capillary Tubes
Different experiments and applications require various types and sizes of glass capillary tubes. When selecting a glass capillary tube, considerations should be made based on the experiment's requirements and the capillary tube's characteristics.
Preparing Samples and Glass Capillary Tubes
Prior to using glass capillary tubes, it is essential to prepare both the sample and the capillary tube. The sample should be placed in a container, and tools like droppers can be used to draw it to the bottom of the glass capillary tube.
Drawing Samples
Position the glass capillary tube in the sample, pinching the top with fingers. Subsequently, lift the capillary tube from the container and, upon releasing the fingers, allow the capillary tube to naturally draw in the sample. For extracting more liquid, the capillary tube can be returned to the container, repeating the procedure.
Recording Results
After completing the experiment, documenting the results and noting the conditions and techniques used is crucial.
Packaging and Shipment

FAQ
We're well-known as one of the leading glass capillary tube manufacturers in China. If you're going to buy cheap glass capillary tube in stock, welcome to get quotation and free sample from our factory. Good service and low price are available.
Low Form Glass Beaker
