Supply products polyurethane spraying machine

Supplied Products Polyurethane Spray 1. Introduction
Over the past years, polyurethane rigid foam spray materials have been promoted and applied in many domestic building wall insulation projects. This type of material has the functions of being non-absorbent and impermeable, and it also has Excellent thermal insulation effect has become an indispensable new system thermal insulation product in the current building energy-saving market. It can replace the traditional waterproof layer and thermal insulation layer and is widely used in roof and wall insulation.
2. Polyurethane rigid foam spraying technology is excellentbr/> Polyurethane rigid foam spraying for external wall insulation is a new building energy-saving technology. After being used in engineering examples, although there are still many areas that need improvement , but the advantages of this technology are obvious.
, good thermal insulation effect
Rigid foam spray polyurethane is a high-density thermosetting polymer and an excellent thermal insulation material. Its thermal conductivity is.~.Permanent mechanical anchoring, temporary Fixing, wall-penetrating pipes, or attachments on exterior walls will often cause local thermal bridges. However, the polyurethane spraying process is adopted. Due to the high bonding strength of rigid foam sprayed polyurethane-like wall materials, no adhesives and anchors are required. , is a natural adhesive material that can form a continuous insulation layer, ensuring the interaction between the insulation material and the wall and effectively blocking thermal bridges.
, Stabilitybr/> Rigid foam polyurethane spraying is firmly combined with the base wall, which is the basic prerequisite to ensure the stability of the external insulation layer. For the wall, the surface should be treated with interface treatment. If the surface layer is loose or hollow, it must be carefully cleaned to ensure that the rigid foam polyurethane spray insulation layer is closely combined with the wall. The rigid foam polyurethane spray exterior insulation system should be able to withstand the combined effects of the following factors, that is, under the most unfavorable local temperature and humidity conditions, it can withstand various combined internal and external loads such as wind, dead weight, and normal collisions, and the insulation layer still cannot The base layer separates, peels off and remains stable when wet.
, has good fireproof performance
Although the rigid foam polyurethane spray insulation layer is on the outside of the exterior wall, the fireproof treatment cannot be ignored. After adding flame retardant, polyurethane is a kind of flame retardant and self-extinguishing property. The material is compounded with rubber powder and polystyrene particle slurry to form a fire prevention system, which can effectively prevent the spread of fire. The wall surfaces and sides of doors and windows of the building are all tightly covered with fireproof rubber powder polystyrene granules, and no exposed parts are allowed. The use of thick rubber powder polystyrene granules waterproof plastering surface layer is conducive to improving the fire resistance of the insulation layer. .