Views: 4 Author: Site Editor Publish Time: 2021-04-10 Origin: Site
What are the classifications of high-pressure mixing spraying machinery for thermal insulation materials
1. The important role of the on-site polyurethane high-pressure mixed foam external wall insulation system
Polyurethane rigid foam external wall insulation system is a kind of external wall insulation system with good comprehensive performance. It has excellent thermal insulation performance and is suitable for industrial and civil building wall insulation.
At the same time, the on-site spray polyurethane foam is closely integrated with the wall, which can protect the main structure and prolong the life of the building. It has a certain waterproof function and can effectively reduce the occurrence of common problems of external wall leakage.
In addition, because the polyurethane for external wall insulation is a material with high chemical stability, it will not produce harmful gases and is not harmful to the environment.
Therefore, mastering the key points of the construction technology of the on-site spraying polyurethane foam external wall insulation system plays an important role in the promotion and application of building energy-saving technologies and materials.
2. Good heat preservation and flame retardant properties
Strengthen the awareness of flame retardancy and fire protection, focus on the development of new products and technologies such as composite panels and integrated panels, ensure the realization of energy-saving indicators with high-efficiency energy-saving performance, and avoid fire accidents with good fire-resistant performance.
Outer wall rigid foam polyurethane is recognized as the best energy-saving material in the country. As long as it is combined with the improvement of puffing and carbon deposition technology, it should be allowed to play a major role in my country's building energy-saving work.
The application of foreign rigid polyurethane foam in the field of building insulation
Europe: It is currently in a state of coexistence of multiple building insulation systems. Polystyrene is the traditional system in this area, and polyhelium with rigid foam, as a representative of the new system, has begun to be praised by the market, and the upward trend is obvious.
3. Domestic application of polyurethane insulation materials for exterior walls
North America: Mainly supplemented by rigid polyurethane foam system, supplemented by glass wool system, and relatively few polystyrene systems. Since the glass wool system emits toxic gases when exposed to moisture, the Canadian government has promoted the renovation of the original glass wool insulation system into a polyurethane system in recent years.
Four, high-pressure mixed spraying of insulation materials
Using on-site spraying polyurethane foam can achieve seamless construction of exterior wall insulation, so that the interior and the exterior are completely insulated by the overall polyurethane foam, reducing heat loss in terms of material performance and construction technology, and the energy-saving effect is obvious.
At the same time, polyurethane foam has a higher cracking strength. Compared with the polystyrene board thin plaster external wall insulation system, the construction process does not require any cracking mortar and anchors to make the insulation material and the wall tightly integrated. This fully enclosed system greatly reduces the damage to the external wall insulation materials by wind pressure.
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CNMC-65 Economy Pneumatic Polyurethane Spray Machine, weighing only 54kg, features a 65:1 high-pressure pressure exchange ratio and a 7.5L/min single-group flow rate, suitable for 1:1 black and white material foaming construction. Pneumatically driven for safety and durability, it is widely applicable in small to medium engineering scenarios such as building exterior wall insulation, roof waterproofing and thermal insulation, cold storage foaming, and pipeline anti-corrosion and thermal insulation. This article provides a comprehensive analysis from three dimensions: product parameters, core advantages, and application scenarios, helping construction professionals make quick selections.
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