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Main functions of flat welding flange2020-01-16
1. Connect the pipeline and keep the sealing performance of the pipeline; 2. It is convenient to replace a certain section of pipeline; 3. Easy to disassemble and check the pipeline condition; 4. It is convenient to close a certain section...
Precautions for use of flat welding flange products2020-01-13
1. In order to prevent eye to eye corrosion caused by flange cover heating, the welding current should not be too large, less than 20% of carbon steel electrode, the arc should not be too long, the interlayer should be cooled quickly, and t...
What is the difference between flat welding flange and butt welding flange?2020-01-03
1. The application scale of flat welding flange is different from that of butt welding flange . Flat welding flange is widely used for the connection of carbon steel pipe with pressure less than 2.5MPa. The sealing surface of flat welding f...
The methods of cleaning quartz tube2020-01-02
The methods of cleaning quartz tube are as follows: In semiconductor industrial equipment, the use temperature of quartz glass is often in the high temperature state of 1000 ℃ - 1300 ℃. In this state, due to the attachment of impure sub...
What is the specific performance of quartz instrument?2019-12-31
1. The electrical insulation performance of quartz instrument is good; in the era of ordinary glass with resistance value equal to 10000, it is an excellent electrical insulation material, and it also has good electrical performance, even a...
What are the main applications and characteristics of quartz heating tube?2019-12-30
The main product applications of quartz heating tube are as follows: 1. It is widely used in various heating and far-infrared health care fields such as heaters, warm air heaters, bath masters, far-infrared physiotherapy, beauty instruments...
The best choice for manufacturing optical instruments2019-12-27
Quartz tube is a very good basic material. Quartz glass has excellent comprehensive function. The transparent quartz glass has the function of transmitting ultraviolet and optics. It can be used to make optical instruments. Quartz glass is...
Precautions in the process of quartz tube cutting and pickling2019-12-26
1. HF can be used as the cleaning reagent for quartz tube , of course, hydrochloric acid, nitric acid or other combined acid can also be used, the concentration of acid shall be controlled below 5%, and chemical protective equipment shall b...
How to seal the large diameter quartz tube?2019-12-24
Large diameter quartz tube is a special type of transparent quartz tube. Large diameter quartz tube has a series of excellent physical and chemical properties, such as high temperature resistance, corrosion resistance, good thermal stabilit...
Application of high temperature resistant glass2019-12-23
1. High temperature resistant glass plate : the glass surface shall have excellent high temperature resistance and high transparency, which is required for the temperature insulation observation of high temperature glass window; the tempera...
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