Nowadays, both in China and in the international architectural decoration, "green environmental protection" has become an unimaginable concept and trend. To meet the needs of the society, the extensive use of natural stone composite panels is the "green environmental protection" architectural decoration material. symbols of. Ultra-thin stone composite panels have their own characteristics such as energy saving, lightness, and durability. They can also make full use of building materials, at best, curb the possibility of waste to the greatest extent, and establish a saving society. Alternative role.
It is true that in the manufacturing process of stone composite panels, the most important process is bonding. For this reason, what type of glue should be selected? This is related to the quality of the product, the service life of the product, and the market competition of the product. Choosing high-quality glue can ensure product quality and create profit opportunities. On the contrary, the blood will be lost and even the official non-stop.
First:the preparation before compounding
1. Selection of panels: stone slabs, ceramic tiles or other panels. Grind the panels to be compounded to a certain thickness and level, remove surface dust, gravel, oil and other impurities, and dry to remove water.
2. Selection of compound glue
a, unsaturated resin composite adhesive
The advantage is the low price. The disadvantage is that the shrinkage rate is too large, the aging resistance is poor, the degumming phenomenon is prone to occur, the breakage rate is also large, and the environmental protection performance is poor.
b. Saturated resin compound adhesive
At present, epoxy AB composite adhesive has been widely used. It has environmental protection, high bonding strength, small shrinkage and excellent aging resistance in the macro world. It has become the preferred adhesive for composite boards.
Two: Adjusting glue and scraping glue
1. Weigh the amount of glue according to the actual situation. Generally, the manufacturer will indicate the amount of glue used per square meter.
2. Put the glue in the utensil according to the proportion and mix thoroughly, then disperse it on the bottom plate, use a scraper to scrape the glue back and forth, and then superimpose the stone bonding parts that have been evenly coated, move back and forth by hand and apply pressure, Remove the air between the sheets so that the glue fully fills the sheet and squeeze out the excess glue.
Three: Apply pressure
Align the stone up and down, and solidify it in a static state. Use a clamp or press to press evenly. If the iron frame and jack are used to pressurize, the plate is required to be flat, and about 15-20 pieces are compounded each time. Use plastic sheeting or rubber to separate each piece within the period to prevent the overflowing glue from sticking the pieces together.
Uniform pressure, the pressure is 1-10 kgf/m2 on the basis of, and the adhesive layer is about 0.08mm. Generally, the pressure can be released after initial curing.
