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Highlighted Companies

Micro Capillary Tube - China

price: contact company for price

Micro Capillary Tube – Round, Square & D-Type

Micro capillary tubes, also called precision glass tube, fiber optic capillary tubes, are made of borosilicate glass with a cavity inserted whose accuracy is ±0.005 mm.

Borosilicate glass is a special kind of glass material with low expansion rate, high temperature resistance, high strength, high hardness, high light transmittance and high chemical stability.

So borosilicate glass capillary tubes are widely used in optical communication industry as packaging materials of collimator, pigtail, DWDM and other optical passive device.

Precision glass tubes can be divided into three types according to outer shape: Round type.

Square type.

D-type.

A round micro capillary tube with a cavity inserted on blue background.

A square precision glass tube with a cavity inserted on blue background.

Two d-type micro capillary tubes with a cavity inserted in each on blue background.

Fiber optic capillary tubes can be mainly divided into three types according to the quantity of inserted cavity: Single mode.

Dual mode.

Multiple mode.

Three round micro capillary tubes with a cavity inserted in each on a blue background.

Two transparent dual mode glass tube under the microscope.

Seven round micro capillary tubes with seven cavities inserted in each on blue background.

Detailed specification:

Material: borosilicate glass.

Minimum inner diameter: 0.02 mm.

Accuracy: ±0.005 mm.

Shape: Square, round, d-type or customized.

Customized sizes or according to your drawings and samples.

Features Uniform material without bubbles or cracks.

Using laser cutting process, no cracks on incision, and work for 2, 000 hours at high temperature and high humidity.

Smooth hole wall and easy cleaning.

High mechanical strength.

High temperature, high humidity and high pressure resistance.

High accuracy.

Eight square micro capillary tubes indifferent sizes with a cavity inserted in each on a blue background.

Two round micro capillary tubes with a cavity inserted in each on a even surface.

Application The micro capillary tubes can be widely used in optical communication industry, such as: PLC input pigtail.

Optical fiber collimator.

DWDM port.

An orange fiber pigtail on white background.

Blue fiber with dual collimator on white background.

A black DWDM .


Company Contact:


  • Phone: +86-318-8888385

  • Address: Industrial zone No 88, Hengshui City, Hebei province, China., HengShui , HeBei , China

  • Email: Email


Published date: August 1, 2018

  • Business Description: Customized Glass Products to Meet Specific Requirements

    YuanBo Engineering Co., Ltd. located in industry zone No.

    88, Hengshui city, Hebei province, China, specializes in producing high quality glass products for more than 10 years.

    We have technically advanced machinery, skillful workers as well as professional salesman.

    Our main products cover all kinds of glass products, such as gauge glass, optical glass, step glass, glass disc, glass tube, laboratory glass, glass rod and glass panel.

    We can customize according to your requirements and make sure the high quality, tight tolerance as well as the short delivery time at the same time.

    Various kinds of glass disc, glass panel, step glass and gauge glass are on the ground.

    We can produce all kinds of glass products according to your requirements.

    There are nine kinds of lab glassware with blue liquid in them.

    We accept customizing all kinds of lab and industry glassware.

    Wide range of use

    Glass products are widely applied in daily life, industry and science thanks to their advantages.

    Nowadays, people pay more and more attention to environmental consciousness.

    Glass products are harmless to environment during both production and usage, so that they meet the requirements of some environmental friendly enterprises.

    Besides, the glass material have stable chemical properties.

    It does not react with most acid and alkali.

    Its rust resistance is stronger than stainless steel and wooden.

    Glass products are popular in industry, especially chemical industry.

    What's more, glass product is hard to be contaminated and easy to clean because of its smooth surface good physical properties.

    They are widely used in chemistry, biology and medicine science.

    The last but not least, glass products light transmittance can not be achieved by other material.

    Therefore, glass products are widely used in light, instruments, buildings and so on.

    We can conclude from the above that our glass products are used in wide range, such as daily life used light, glass shelf and table, glassware and instruments in science laboratory and industry boiler and pipes.

    Why choose YuanBo Engineering Co., Ltd.

    YuanBo Engineering Co., Ltd. specializes in producing glass products for more than ten years.

    We have payed attention to best quality and service.

    In order to make sure that, we have a professional team and use advanced equipment.

    Best quality products

    We use the suitable material as per your application and requirements.

    Our quartz glass material silicon dioxide content is up to 99%, which makes sure the good chemical, mechanical and optical properties of glass.

    We can make sure the tight tolerance and we can also achieve high accuracy as tiny as ±0.05 mm to meet your requirements for glass products used in precise instruments.

    In order to make sure the high quality of products, we have precision detection by advanced equipment.

    Advanced equipment

    We have professional and advanced equipment to ensure the high quality products with clear surface, well ground edge and tight tolerance.

    Our equipment includes glass grinding machine, cutting machine and so on.

    This is a set of glass grinding machine with blue coating.

    We have the advanced grinding machine to make sure the quality of products.

    This is a set of glass polishing machine.

    We use the first class polishing machine so that our glass products have clear, no bubble, no cracking surface.

    Our office and our professional sales team.

    Professional team and first class service

    We have technical expert group who concentrates in studying the technology and improve the technology.

    They make sure us to follow the most advanced technology, reduce our cost and improve quality at the same time.

    We have skillful and responsible workers.

    They work carefully during the whole process of production.

    Our professional salesman have good knowledge of product technology and specification.

    They can communicate with customer in English fluently and know well about the import and export operation steps.

    Our after-sale service is also the first class.

    We can supply professional technique support and service for your installation and maintenance.

    If you are not satisfied with our glass products, please contact us without hesitation.

    Our after-sale service will offer you most satisfactory solution.

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