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05 Oct 2020
Indonesia
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Specification of

Thermal Insulation Material Type In Pipe

Thermal insulation on the pipe is enabled to keep the temperature on the pipe in keeping to be relatively fixed and unchanged. As we know, if every material has a conductivity value that causes heat in the fluid to flow. Whether it's through conduction, convection or radiation, it's clear that the temperature in the pipe will tend to change.

To avoid changes in temperature in the pipe, it is necessary that insulation is expected to reduce the process of heat transfer from the fluid to the environment. Insulation material is what will be different, which usually the value of heat transfer is less
both so that the temperature in the pipe is maintained.

Thermal insulation, different functions and its use with insulation for protective. I have discussed in the previous article about personal protection insulation function on piping system


The type of material used in pipe insulation

The material used will vary greatly in a pipe, depending on the fluid present in the pipe and also how much the temperature is operating. Sometimes, the economic factor in a project determines the type of insulation used in a pipe. Generally, some types of insulation and the bahanya, rangenya can be viewed as the table below.


1. Calcium Silicate Insulation for high temperature
Calcium silicate is a kind of insulation material that has mild characteristics, low thermal conductivity, and is able to withstand high temprature. Materials that have the short name of cal-sil are sold in three forms: beams, pipes or sheets. Calcium silica is able to withstand heat in the range of -18 to 650 degrees Celsius.

Calcium silicate material in pipes About 1950 calcium silica consists of 85 percent maginesium carbonate and pure asbestos. Asbestos does have a very bad conductivity, so it is good to keep the heat flowing. It is not only resistant to heat, but also does not react to air
or some other chemicals. But its use has been banned in some countries because of the signaling can damage the lungs and cause cancer.

Calcium silicate is usually used at high temperatures (over 250 F) in pipes or equipment. Because it is a rigid material with a relatively flat conductive curve, in addition to having a very high compressive strength, high flexural strength, non-flammability, it is therefore widely used in many industries. In addition, calcium silica is a good corrosion inhibitor so it is considered to have a considerable contribution in the conservation sector.


2. Cellular Glass Insulation Material

Cellular Glass insulation is an insulation type that has a range of -260 to 480 degrees Celsius. Insulations made from glass fragments in combination with these adhesives have light, rigid characteristics, consisting of millions of sealed glass cells in each of the glass cavities.

Cellular Glass material for insulation on pipes General use of Cellular Glass is for underground pipe, underground pipe. This is due to the physical strength of the high cellular glas and high moisture resistance. Moisture resistance? What does it mean? Because Cellular Glass is made of glass, not made of living beings or compounds, it will have exceptional water resistance. So he did not experience weight gain himself up to 90% humidity. So it is very suitable to use in high humidity conditions compared to other insulation material, in addition he also did not experience swelling or punyusutan.

Cellular Glass material for insulation on Cellular Glass pipes, can be used at low temperatures or in extreme cold conditions. In addition, this material is also not easy to burn. Usually also used at the bottom of the tank or vessel where there is a high possibility of moisture.

3. Mineral Wool Insulation Material

Mineral wool is made of liquid glass, stone, ceramic or slag fibers spun into a fiber-like structure. Insulation boards made of Mineral wool are not easily scratched, semi-rigid (mildly flexible) and its water-repellent nature. It is perfect for temprature specification
high 1200c (2200 f). Because of its ability to withstand temperatures above 1000, mineral wool also has added value as a barrier to the spread of fire if in case of fire, it can save people, or even environmental damage.

Mineral Wool Materials for Pipe Insulation Usage Mineral wool usually in general construction, storage tank, drying or oven equipment, and protection of power plant equipment. Which belongs to the type of Mineral wool is fiber

Polystyrene Insulation Material

The properties of polystyrene are light, rigid, made of beads of solid beads (diameter 0.2-0.3 mm). polystyrene is a mirror with a cork that we know, it's a regular loh made in the pack when we buy electronic goods, usually white.

Polystyrene Material for Pipe Insulation The term Styrofoam (cork) with polystryrene is often mixed, but basically there is a difference between the two terms. Styrofoam is actually a brand name owned by Dow Chemical Company and made of polystyrene, and the process involves the use of extreme temperatures and pressures. While polystyrene has a higher density that causes it to not float on water, Styrofoam can easily float on water due to its lower density.

Polystyrene Material for Pipe Insulation The disadvantage of using this polystyrene is its highly flammable nature

Perlite Insulation Material

Perlite is a versatile mineral in the mine and in the process with minimal impact on the environment. Green communities recognize that enhanced perlite materials - such as for insulation - have high performance taken from natural ingredients. Perlit is a volcanic glass
amorphous which has a relatively high water content and is usually formed from Obsidian hydration.

Perlite Material for Pipe Insulation Because of its low desity and relatively cheap price, perlite has been widely developed for commercial applications. Perlite can develop 20 times from its initial and shaped volume (such as cell cells within the internal structure) that form a microscopic bubble. Because the difference in physical properties is very meaningful to make perlite very efficient, and low density

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