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This section provides an overview for capillaries as well as their applications and principles. Also, please take a look at the list of 16 capillary manufacturers and their company rankings. Here are the top-ranked capillary companies as of December, 2024: 1.Orbray Co., Ltd., 2.Sutter Instrument, 3.INCOM.
Table of Contents
Okayama University Graduate School, Ph.D. (Agriculture). After working as a specially appointed Assistant Professor at Tokyo Medical and Dental University, a fluid researcher at the Okayama Prefectural Institute of Biological Sciences, and a special researcher (JSPS PD) at the Japan Society for the Promotion of Japan Science, he became independent as a freelancer.
Specializes in natural product chemistry, protein engineering, fermentation engineering, and instrumental analysis of chemicals (especially mass spectrometry chemistry).
Thesis: https://pubmed.ncbi.nlm.nih.gov/?term=HIROKAZU+USUKI
linkedin: https://www.linkedin.com/in/%E5%8D%9A%E4%B8%80-%E8%87%BC%E6%9C%A8-b83827228/
A capillary is a narrow tube in which capillary action occurs. Capillary action refers to the phenomenon in which liquid flowing into a capillary tube moves through the tube due to the surface tension of the liquid and wetting against the inner wall of the capillary tube.
This phenomenon is caused by intermolecular forces between the liquid and the surrounding solid surface (e.g., glass). Specifically, if the diameter of the capillary is small enough, the equilibrium between the surface tension of the liquid and the adhesive force between the liquid and the container wall is disrupted, acting to propel the liquid.
This is also the principle behind the wetting phenomenon of paintbrushes, thin tubes, porous materials such as paper and plaster, and sand, a very familiar natural phenomenon. Other examples: plants, for example, suck up water from their roots and transport it to cells throughout the body, and capillary action is also involved in part in this mechanism.
Capillary action is very practical in our daily lives. Let us consider its basic mechanism from the operation of wiping water off with a kitchen towel.
The force of attraction between similar substances, such as between water molecules, is called cohesion. On the other hand, the force of attraction between substances of different properties, such as between the fine fibers of a kitchen towel and water molecules, is called adhesive force.
If the adhesive force is greater than the cohesive force, the water molecules wet the surface of the kitchen towel fibers and, as a result, are drawn into the space between the fibers. The drawn water molecules are then attracted to each other by the water molecules they come in contact with due to the action of the cohesive force.
As a result, the leading water molecules pull the following water molecules into the spaces between the fibers of the kitchen towel. Because of this difference in cohesive and adhesive forces, water soaks into the kitchen towel at a constant rate.
Thin-layer chromatography is an instrument used in chemistry experiments in which a thin film of silica gel or other stationary phase is applied to a glass or aluminum plate to separate complex compounds. Capillary action is also successfully used in this analytical technique.
Specifically, this analytical technique involves immersing one end of a thin layer of a sample spot in a solvent, which causes the solvent to move from the bottom to the top of the thin layer plate through a gap in the stationary phase.
Capillary electrophoresis is an analytical method for separating trace components by injecting an electrolytic sample solution into a fused silica capillary tube and electrophoresis.
Compared to chromatography such as HPLC or electrophoresis, capillary electrophoresis is an analytical method suitable for detecting components from a small amount of sample because it consists of a capillary, which has a very small volume of separation and generally requires only about 100 ml of sample.
In this method, the capillary is first immersed in an electrolyte buffer solution with an anode and a cathode connected at each end. The inner wall of the capillary contains silanol groups (-SiOH), which ionize upon contact with the buffer solution and carry a negative charge.
This negative charge attracts positively charged substances from the buffer solution, forming an electric double layer on the inner wall surface. Applying a voltage in this state causes the positive charge in the mobile phase outside the electric double layer to move toward the cathode. This generates a flow of mobile phase called electroosmotic flow.
In capillary electrophoresis, the positively charged material is the first to be detected because it moves quickly toward the cathode. Neutral and negative substances that would not move to the cathode due to their electrical properties alone also move to the cathode side and are detected by the detector because of the electroosmotic flow generated in the capillary.
Generally, capillaries with an inner diameter of 20 to 100 μm are used. The larger the inner diameter, the higher the detection sensitivity, allowing even trace elements to be detected with high sensitivity. On the other hand, a smaller inner diameter improves resolution.
Capillaries (thin and narrow tubes) immersed in water form a meniscus. The curvature of this meniscus becomes larger (i.e., the radius of curvature becomes smaller) the narrower the tube. The curvature causes a pressure difference at the interface between the liquid and gas. A liquid with a sharp contact angle (e.g., water on glass) forms a concave meniscus, so the liquid pressure below the meniscus is less than atmospheric pressure.
Thus, the water in the tube is driven from its initial position by the greater pressure of the water outside the tube (i.e., water at atmospheric pressure below the horizontal air-water interface) to rise through the tube at the same level.
The upward motion stops when the pressure difference between the water inside the tube and the water below the plane outside the tube is counteracted by the hydrostatic pressure exerted by the water column inside the capillary tube.
This is why the water level inside the tube is higher than the water outside the tube, and water molecules can absorb around the tube and stay at that water level in contradiction to their weight.
Capillaries are made by heating the center of a glass tube or other long, thin glassware with a gas burner to soften it, then quickly removing it from the flame and stretching it vigorously with both hands.
Immediately after the glass capillary is stretched, it is still hot, so the area around the heated part should be cooled down well. After confirming that the glass capillary has returned to room temperature, use a cutting tool, such as an ampoule cutter, to cut off any unnecessary portions.
Finally, adjust it to a length that is easy to use and store it in an appropriate container to prevent it from breaking. In addition to glass tubes, Pasteur pipettes can be prepared in place of glass tubes. Since cutting with glass and burns may occur, protective equipment should be worn and care should be taken when working with the pipette.
*Including some distributors, etc.
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INCOM is a manufacturer of glass and polymer microstructures since 1971. Headquartered in Massachusetts, USA, the company's product lineup includes fiber optic glass faceplates, high-resolution polymer nanoguide technology, and polymer fiber optic devices. The company's expertise in microstructures positions them as a significant player in industries such as dental, medical, scientific research, life sciences, and display. The customization capabilities and precision of its products make them essential for applications that demand advanced optical and imaging solutions.
Friedrich & Dimmock, Inc., founded in 1919 in Millville, New Jersey, USA, is a manufacturer of precision optical components and coatings. The product range includes custom optics, thin film coatings, optical filters, and beamsplitters. These offerings provide robust optical performance, precise light manipulation, and enhanced optical functionality, ensuring optimal performance in various applications. The custom optics cater to specific optical requirements, while thin film coatings enhance optical properties such as reflectivity and transmission. Optical filters and beamsplitters enable wavelength selection and beam splitting. These products find applications in industries including aerospace, defense, medical, and telecommunications.
Globe Scientific Inc. is an American ISO 9001 certified manufacturer of laboratory equipment that was founded in 1983 before its acquisition by the GSI group in 2022. Headquartered in Mahwah, New Jersey, the company produces laboratory benchtop equipment, glassware, and plasticware including centrifuges, vials, microscopes and beakers. These are primarily used for chemical testing or analysis, research, and quality control applications. Globe Scientific also offers contract manufacturing and packaging services for customer projects and equipment orders. The company chiefly serves clients in the education, healthcare, biotechnology, and laboratory sectors.
Sutter Instrument, established in 1974, is a manufacturer of amplifier systems, microscopes, stages and translators, perfusion systems, and bundled systems. Micromanufacturing, air tables and equipment racks, glass and filament, microinjections, and OEM items are also manufactured. The products are used in the medical, pharmaceutical, R&D, power supply, and imaging industries. The company in One Digital Drive, Novato, CA, has capabilities such as state-of-the-art CNC machining and turning centers for producing precise mechanical components. Sutter became partially employee-held in 2007 with the introduction of an ESOP.
Kulicke and Soffa Industries, Inc., founded in Philadelphia, Pennsylvania, in 1951 is a manufacturer of semiconductor and electronics assembly solutions. The company's product portfolio includes advanced Packaging (Hybrid), Ball Bonders, Die Attaches, Electronics Assemblies and Wafer Level Bonders. Their products are used in markets such as automotive, communications, computer, consumer, and data storage. The company provides services such as Product Selection Guidance, Engineering Support, New Product Design and Development and Custom Manufacturing.
Orbray was originally founded in 1939 in Japan. Orbray serves the automotive, medical, fashion, information communication, audio, and robotics industries. Orbray develops a variety of products including small motors, fiber optics components, and precision jewelry tools. Applications for Orbray’s products include small robots, diaphragm pumps, inner wall metrology systems, and semiconductors.
Janya Extrusions Pvt. LTD is a copper and copper alloy product manufacturer in Mumbai, India, near the Roxy Theater. The products include tubes, bus bars, brass tubes, and MGPS accessories like pax ball valves, plastic saddles, brazing rods, brass munsen rings, and copper fittings that are utilized in hospitals, government agencies, air conditioning businesses, and the atomic energy sector. The business is certified for QVA, ISO 13485:2016, and an ISO 9001:2015 management system.
Beall Industry Group Co., Limited, based in Shanghai, China, is a manufacturer of stainless steel and special alloy products since 1992. The company's product range includes stainless steel sheets and coils, stainless steel pipes and tubes, bars, fittings, flanges, special alloy products, and other stainless steel components. These products are found in various applications such as construction, manufacturing, machinery, automotive, and more. Its products play a significant role in diverse applications, leveraging the distinctive properties of stainless steel and special alloy materials.
Oshwin Overseas, established in 1999, is a manufacturer and supplier based in Mumbai, India, specializing in high nickel alloy and stainless steel products. The company produces stainless steel seamless pipes and tubes that increase durability due to the absence of weak points, reduce the risk of corrosion, and allow more efficient flows due to smoother internal surfaces. Other products include instrument fittings, instrumentation valves, buttweld fittings, and flanges. These products are utilized in diverse industries such as medical, structural engineering, oil and gas, marine, and aerospace. Oshwin Overseas holds ISO 45001:2018 and ISO 14001:2015 certifications.
AB Steel, established in 2001, is a manufacturer and supplier of stainless steel seamless and welded pipes and tubes based in Mumbai, India. The company’s product range includes stainless steel pipes, tubes, fittings, flanges, and more. They also deal in Monel, Inconel, Hastelloy metals, and copper tubes serving industries such as engineering, chemicals, pharmaceuticals, and more. With ISO 9001:2008 certification and global suppliers in countries like South Korea, China, Mexico, and the USA, AB Steel caters to diverse client requirements and needs globally.
Nippon Tokushukan MFG. Co., Ltd. is a manufacturer of precision products based in Osaka, Japan. The company was founded in 1952, and since then, it has specialized in manufacturing micro-precision metal tubes. Its product portfolio includes electrode tubes, precision pips for contact probes, metal ferrules, fine processing products, and capillary tubes. The company serves a wide range of applications across various industries with its micro-precision metal tubes. Its products find utility in various applications, which include communication devices, fire alarms, Oil Heater, Gas Equipment, and more. Its metal tubes provide the functionality and efficiency of a diverse set of applications.
Shanghai Metal Corporation, established in 1980 as a state-owned Shanghai Metal Materials Company headquartered in Shanghai, China, is a manufacturer and supplier specializing in metal materials and products. The company's metal offerings include aluminum, copper, stainless steel, galvanized steel, and steel products. It also provides metal machines for forming, cutting, bending, and processing. Additionally, the company offers various containers, gas cylinders, fire extinguishers, mechanical products, and electrical systems. These products find applications in various industries, such as automobile, construction and decoration, electrical and transformer components, machinery, and packaging. Other applications include oil, gas, and water pipelines, as well as boilers and tanks.
Tomoe Engineering Co., Ltd., established in 1941 and located in Tokyo, Japan, is a manufacturer of decanter type centrifugal separators. The company offers a range of products, including gravity belt thickeners, HED-type dewatering centrifuges, disc-type centrifuges, rotary snails, and ASM tubular centrifuges, which cater to pharmaceuticals, food, chemistry, ships, electric power, and water treatment. The products are used in sludge dewatering, oil-water separation, clarification processes, liquid-liquid separation, and solids removal. The company’s expertise extends across diverse sectors, such as oil and gas and power generation.
JF Engineering Products LLP is a manufacturer and distributor specializing in industrial fasteners based in Mumbai, India. The company’s portfolio includes different varieties of industrial fasteners such as stainless steel threaded rods, stud bolts, and socket cap screws. Their products find applications in sectors such as oil and gas, chemical, petrochemical, marine and other industries. The company is ISO 9001:2008 certified and adheres to ASTM, ASME, DIN, and UNI standards, serving clients locally and internationally.
Pacific Technology Corp., established in 1986 and based in Nakano-ku, Tokyo, is a manufacturer and supplier specializing in fine ceramics industrial equipment. The company's product portfolio includes raw material processing equipment, electric injection molding machines, and electric heating rotary kilns. These products find applications in various industries, including semiconductor manufacturing, automotive, and the renewable energy industry. The company offers services including technical support, product training, and customization options to meet specific customer requirements, with offices in the United States, China, and Singapore.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Orbray Co., Ltd. |
26.8%
|
| 2 | Sutter Instrument |
14.6%
|
| 3 | INCOM |
12.2%
|
| 4 | JF Engineering Products LLP |
9.8%
|
| 5 | Friedrich & Dimmock, Inc. |
9.8%
|
| 6 | Globe Scientific Inc. |
7.3%
|
| 7 | Pacific Technology Corp. |
7.3%
|
| 8 | Janya Extrusions Pvt. LTD |
4.9%
|
| 9 | Kulicke and Soffa Industries, Inc. |
4.9%
|
| 10 | TOMOE Engineering Co., Ltd. |
2.4%
|
Derivation Method
The ranking is calculated based on the click share within the capillary page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
Japan
|
5 | 31.3% |
|
United States of America
|
4 | 25.0% |
|
India
|
4 | 25.0% |
|
China
|
2 | 12.5% |
|
Taiwan
|
1 | 6.3% |
66 products found
66 products
Fine Glass Technologies Co., Ltd.
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It is tapered in the form of a redrawn glass capillary. In addition to being used for liquid transportation in syringes, electron beams, and X-ray ...
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Advances in new mounting technology require optimization of ball/stitch bonds in the wire bonding process. Among these, the capillaries we offer ar...
TPT Japan Co., Ltd.
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PECO (Korea) provides high-quality, long-life capillaries with an ultra-high density finish. Our unique ceramic treatment makes it resistant to ben...
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<Microcapillary> is a borosilicate glass capillary. Used as optical fiber connection support for optical connectors, optical fiber splices, and opt...
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〈Rectangular hole microcapillary〉 allows multiple fibers to be lined up and aligned with a single capillary. 〈Pollinal hole microcapillary〉 has...
Masaie Co., Ltd.
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■ Features QUADRA Capilla Hose is an orange or black thermoplastic plastic flexible hose. Use a special tool to attach brass or steel joints. It c...
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Tokyo Instruments, Inc
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■Summary We offer 3 types: Special Glass (SG), Boron Rich (BG), and Quartz (QZ) in a pack of 25 tubes. ■Features ・Tube thickness: 0.01 mm ・Total...
Fujiri Corporation Co., Ltd.
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There are double -opening and single seals with high -precision glass capillary tube. The length will be finished to your desired size (20mm to up ...
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Fujiri Corporation Co., Ltd.
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There are double -opening and single seals with high -precision glass capillary tube. The length will be finished to your desired size (20mm to up ...
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Fujiri Corporation Co., Ltd.
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Fujiri Corporation Co., Ltd.
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As a landmark of the capacity, the color mark is included in the area of the capacity. Includes suction tube and silicon cap so that it can be us...
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Fujiri Corporation Co., Ltd.
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It is a tube made of 99.7%of the elaborate alumina. It is used for insulating tubes. We will sell from one. It may be available other than the nota...
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Akagawa Hard Glass Industry Co., Ltd.
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We can create micro-sized glass tubes upon consultation. ■Accomplishments ・Outer diameter 300μm/Inner diameter 60μm ・Outer diameter 60μm/Inner d...
Berthold Japan Co., Ltd.
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This is a disposable capillary. The capillary is automatically filled with sample with an accuracy of less than 1%. The bulb of the included capill...
Hubei Kogyo Co., Ltd.
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Multi-hole capillaries are processed using Hubei's unique slurry casting process. Our technology provides unique solutions at competitive costs for...
Relatec Co., Ltd.
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It is a small amount of inexpensive glass of glass. The material is galassed with bouquet acid. There are 18 types of standard products. (Because i...
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Morishita Co., Ltd.
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■Features We develop prototypes with the outer diameter, inner diameter, length, wall thickness, etc. that you request, depending on the purpose an...
