Foam board is one of many boards, but many friends don't know much about it, and even question, can foam board also be used as board? Let's take a look at the introduction and function of foam board.

1. What is foam board?

Foam board is a branch of plastic foam or plastic sheet. In other words, it is the result of foam washing of plastic sheets or plate-shaped foam, which is generally divided into the following categories:

1. Polyethylene foam board (EPE)

It is usually a soft material processed by using butane or peroxide as a foaming agent, or a sheet composite formed by making a thinner EPE sheet and then heat-bonding. Mainly used for buffer packaging, sound insulation, heat insulation, etc. Its foaming ratio is 20-30 times, which is a high foaming material.

What is foam board?

2. Polypropylene (PP) and ABS foam,

The foaming principle is the same as above. Mainly used in automobiles, electrical appliances and other fields.

It is generally used as the insulation layer of the building, and is generally placed on the outside of the building, which can effectively isolate the heat and ensure a constant room temperature. In addition, the foam wall is cheap, effective and widely used.

3. Polyvinyl chloride (PVC) foam

Usually, air or foamable substances are added to the formula of PVC sheet, and a plate-shaped profile formed by a T-shaped machine head is mainly used for foaming the core layer, and the foaming ratio is less than 15 times. It is mainly used in various architectural decoration occasions.

What does foam board do?

2. What is the function of foam board

1. If the building uses foam board, it will protect the main structure of the building and prolong the service life of the building. This is because the insulation layer of the foam board is placed on the outside of the structure, which greatly reduces the deformation of the structure due to poor temperature changes, and reduces the erosion of the building structure by harmful substances in the air and ultraviolet rays.

2. It can also improve the humidity of the building wall. Generally, indoor thermal insulation needs to set up a vapor barrier, but the use of external thermal insulation materials can make the temperature permeability far stronger than the main structure of the building itself. In addition, condensation will not occur inside the wall, which increases the temperature of the entire wall of the structural layer, thereby further enhancing the thermal insulation performance of the wall.

3. Of course, this kind of board is also conducive to maintaining the stability of the indoor temperature. Since the structural layer with a large heat storage capacity of the wall is on the inside of the wall, it can keep the room temperature stable. It can also increase the usable area of ​​the house, and also avoid the possibility of damage to the building insulation layer caused by the secondary decoration.

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