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The importance of the interface processing and bonding Whether it is a foamed polystyrene board (EPS), extruded polystyrene board (XPS), spray polyurethane (SPU), or powder particles of outdoor stair step protectors polystyrene insulation slurry, inorganic composite class insulation slurry, should pay special attention to the interfacial bond question, the scene of a large number of engineering analysis, appears insulation hollowing, loss and other problems of poor adhesion, occurs on the front and back of the interface insulation. Recalling the years, Beijing early polystyrene thin plaster exterior insulation technology, when the polymer is dry mortar highest price sold seven or eight thousand dollars a ton, the use of imported mortar redispersible powder 30-40 kg , HPMC5-7 kg etc. pasted directly EPS or XPS, pull aside a short time strength are good, but over time, found not reliable, so there will later google nonslip board for a ramp Asia-Pacific stick after the first nail "double insurance" approach, Later foam insulation works on board off phenomenon rarely occurs, since the surface mortar using insulation material posted plastering mesh direct approach, there is no effective interface treatment, appear more surface mortar cracking, hollowing, shedding and other issues, plastering mortar for thermal insulation layer protective effect, but also the most important foundation wall decoration, plastering mortar once large cracks, hollowing, shedding problem, affecting both the insulation layer, but also affect the wall decoration. Therefore, the adhesive insulating layer interface is a very important part, it is related to the success of building insulation works! Surface Treatment interface processing techniques and methods extruded sheet extruded plate interface treatment: Available rolling approach, on both sides of the surface of the extruded sheet, extruded holes rules, aperture 5MM-10MM square hole veranda composite decking photos depth of rectangular hole, hexagonal hole or prism aperture hole is 3-5MM, spacing and line spacing can be about 10MM. Main functions: to increase the bond area, improve bond strength, increased load-bearing capacity of adhesion and insulation. Also available interface mortar processing: high quality latex, according to the emulsion: water = 25: 75 ratio of dilution, add the right amount of adhesive mortar to reconcile with the approach roller evenly brushing the surface of the extruded sheet.