选购PVC吊顶型材时,必定要向经销商索要质检讲演跟产物检测及格证。目测表面品质板面应平坦润滑,无裂纹,无磕碰,企口及梅加工应完全,能装拆自若,名义有光芒,无划痕;用手敲击板面声响洪亮,用于曲折板材有较大的弹性。检讨测试讲演,产物的机能指标应满意:热压缩率小于0.3%,氧指数大于35%,硬化温度80摄氏度以上,燃点300摄氏度以上,吸水率小于15%,吸湿率小于4%,干状静曲强度大于500兆帕。

When choosing and purchasing PVC suspended ceiling profiles, be sure to ask the dealers for quality inspection reports and product inspection certificates. Visual appearance quality plate surface should be flat smooth, no cracks, no knock, the mouth and Mei processing should be complete, can be installed and disassembled freely, the surface has luster, no scratches;. The performance of the product should meet the following requirements: thermal shrinkage less than 0.3% , oxygen index more than 35% , softening temperature more than 80 °C, ignition point more than 300 °C, water absorption less than 15% , moisture absorption less than 4% Dry Bending strength greater than 500 MPA.