Current, our country has entered the NEW ERA THAT WHOLE INDUSTRY HIGH QUALITY DEVELOPMENT, CONSTRUCTION door window AND ITS EQUIPMENT, INCLUDING SYSTEM door window and so on widely attention and HEAT discuss, their quality promotes and development DIRECTION, relate TO door window CURTAIN wall industry EVEN THE FUTURE trend of construction industry. What we need to do is to strive to improve the quality of products and services, enhance the ability of technological innovation, tamp the foundation of high-quality development, starting from each component of building glue, hardware, profiles and glass, overall planning and details polishing, and constantly upgrade and improve the systematic, intelligent and assembled thinking mode. Build a better future of greener, low-carbon, energy-saving and sustainable development. Here are Omann environmental protection specific to introduce!

Storage problem of sealant for doors and Windows

Doors and Windows sealant products belong to chemical products, have a certain period of storage, required to be used in the storage period. If the door and window sealant has exceeded the storage period, it is likely to cure significantly slower, poor curing or even not curing.

According to the storage conditions requirements of door and window sealant related standards, the nominal storage period of door and window sealant is stored under 27℃ and cool, dry and ventilated conditions. If the actual use of storage environment can not meet the standard conditions, such as the ambient temperature is too high, the storage period of doors and Windows sealant may be shortened, under this condition even if the door and Windows sealant has not exceeded the nominal storage period, there will be slow curing phenomenon.

Before large area construction, the basic performance of door and window sealant can be tested with surface dry time test, viscosity elimination time test and elasticity test.

Note: Under the standard conditions, the temperature is 23±2℃, the relative humidity is 50±5%, the surface drying time is less than 3h, and the viscosity removal time is less than 24h. The surface drying time and viscosity removal time are changed by the ambient temperature and humidity. Under the same conditions, the surface drying time and viscosity elimination time of ketone oxime type doors and Windows sealant will be faster than alcohol type doors and Windows sealant.

Doors and Windows glue skills

1. When the window frame is fixed to the wall, the upper frame is fixed first, and then the frame is fixed with plastic expansion bolts. When installing window frames on each floor, the horizontal and vertical lines should be pulled through, with the same level of each floor and straight up and down. The inner cavity of the expansion joint between the frame and the hole is filled with closed cell foam, foaming agent and other elastic materials, and the surface is sealed with sealant.

2. The doors and Windows must be firmly installed, the number, location and connection method of embedded parts must meet the design requirements, and the fasteners used to fix each reinforced steel shall not be less than 3, the spacing shall not be more than 300mm, and the distance from the end of the steel shall not be more than 100mm; The surface of reinforced steel, fasteners and hardware, except stainless steel, shall be coated with corrosion resistance.

3. The concrete hole should be fixed by shooting nails or plastic expansion bolts; The opening of the brick wall shall be fixed with plastic expansion bolts, and shall not be fixed at the brick joint; The holes with embedded iron parts should be fixed by welding, or the base holes should be drilled on the embedded parts according to the fastener specifications, and then fixed with fasteners.