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  4. What is a silicon core tube? How to choo...

What is a silicon core tube? How to choose silicon core tube

What is a silicon core tube? How to choose silicon core tube

Silicon core tube is a new type of composite pipe with silicone solid lubricant on the inner wall. How much do you know about silicon core tube?

1. Basic information of silicon core tube

1. Performance characteristics

The silicon core layer on the inner wall is a solid, permanent lubricant; the silicon core layer on the inner wall is squeezed into the high-density polyethylene pipe wall synchronously, and the entire inner wall of the pipe is evenly distributed, without peeling, detaching, and The silicon tube has the same life; the silicon core layer on the inner wall has the same physical and mechanical properties as the high-density polyethylene; the friction characteristics of the silicon core layer on the inner wall remain unchanged, and the cable can be repeatedly extracted in the pipeline; the silicon core on the inner wall The layer does not react with water, and the pipeline can be washed with water after an accident.

2. Product specifications

Wall thickness: The minimum wall thickness of the silicon tube is 2mm, the maximum is 6mm, if special wall thickness is required, it can also be produced, the most commonly used thickness is 3.0mm, 3.5mm, 4.0mm.

Length: The factory standard disc length of 50/42 silicon tube is 1500m, the length of 40/33 silicon tube is 2000m, and the length of 32/26 silicon tube is 3000m. If the customer has special needs, it can be shipped in a longer (arbitrary) length under the conditions of convenient transportation and operation.

Color: You can choose any solid color, or you can inlay a vertical stripe of other colors on a solid color silicon tube.



2. How to choose silicon core tube?

The main raw materials of silicon tubes are high-density polyethylene, color masterbatch and silicon core masterbatch. According to the requirements of "High-density polyethylene silicon-core plastic pipes for highway underground communication pipelines" (JT / T496-2004), the main producers of silicon tubes The material should use high-density polyethylene extrusion resin that meets the national standard. Under the technical conditions guaranteed by this standard, a small amount of clean recycled material that does not exceed 10% can be used for single-color black tubes, and silicon core tubes of other colors should not be used. use". In the South-to-North Water Transfer Project, all silicon tubes must require 100% virgin materials, and it is forbidden to mix any recycled materials or recycled materials.

The silicon core masterbatch is a key material to reduce the friction coefficient of the inner wall of the silicon tube, so that the friction coefficient between the optical cable and the inner wall of the pipeline is greatly reduced when the air blowing is laid. The silicon core tube used in the South-to-North Water Transfer Project has a specification of 40 / 33mm, that is, the outer diameter is 40mm and the inner diameter is 33mm, and the wall thickness is 3.5mm. The wall thickness allows positive deviations and negative deviations. From the appearance, the color is uniform; the inner and outer wall entities should be flat, uniform, and smooth, free of defects such as collapse, pits, holes, tear marks, and pitting of impurities; the cross section has no bubbles, cracks, and thickness; the inner wall of the silicon tube is tight Sintering, no disengagement, smooth silicon core.

If you want to know more about it please do not hesitate to contact me. WhatsApp:+86-15966835076.


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