[China Aluminum Network] It is reported that the energy-saving insulation technology of the pouring process originated in the United States. Its main role is to inject a mixture of sealing wax into the middle of the aluminum used for doors and windows to insulate.

At the same time, patents on polyurethanes appeared in Germany. In 1952, another patent was publicly announced. The inventor of the patent fixed an unmolded polymeric insulating polymer in a heat-insulating groove for aluminum alloy profiles by bonding or mechanical force. Then, As you can see today, cutting off the joints at the bottom of aluminum alloy profiles is the prototype of today's "pouring process" technology.

Up to now, many domestic manufacturers have introduced pouring equipment, including imported and domestic ones. Most of these manufacturers have introduced pouring equipment while they are wearing a strip type equipment.

In the process of wearing the strip, the two sections of the aluminum profile are connected by two heat insulation strips, so as to prevent the conduction of heat inside and outside the aluminum section and realize energy saving.

According to incomplete statistics, there are nearly 100 domestic companies that use imported wear strip production equipment and domestic wear strip production equipment, and less than half of the total number of normal production.

Both the pouring process and the stripping process have good thermal insulation properties and are the development direction of energy-saving aluminum alloy building materials. The country has also clearly pointed out the necessity of the development of cold bridges. The national standard for aluminum alloy heat insulation building profiles will be introduced this year. The market for thermal insulation and energy-saving profiles will become clearer by then.

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