Gypsum board has bubbles, which is a problem for many ceiling manufacturers, many people think this is the Gypsum Board Machine problems, it is not. So what is the reason causing the bubble?
1.Press fit problem. If the compression effect is not good, the gypsum board can be placed for a period of time, through the extrusion between the gypsum board can also eliminate a certain bubble.
2.PVC film quality is too bad.
3.Plaster gypsum board overheating. In order to ensure the normal production, generally have a period of time to be cooling. If the temperature is too high, will reduce the effect of coating.
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