After the examination , the sandstone is zero radioactivity , non - toxic , tasteless , no pollution , sound - absorbing , moisture - absorbing , moistureproof , slip resistance , light - absorbing and so on , it is a natural environmental protection stone material which the marble and the granite incomparable 经检测,砂岩是一种具有无放射性,无毒,无味,无污染,吸音,吸水,防潮,防滑,吸光等特点的天然环保石材,是大理石与花岗岩不可比拟的。
After the examination , the sandstone is zero radioactivity , non - toxic , tasteless , no pollution , sound - absorbing , moisture - absorbing , moistureproof , slip resistance , light - absorbing and so on , it is a natural environmental protection stone material which the marble and the granite incomparable 介绍:经检测,砂岩是一种具有无放射性,无毒,无味,无污染,吸音,吸水,防潮,防滑,吸光等特点的天然环保石材,是大理石与花岗岩不可比拟的。
After the examination , the sandstone is zero radioactivity , non - toxic , tasteless , no pollution , sound - absorbing , moisture - absorbing , moistureproof , slip resistance , light - absorbing and so on , it is a natural environmental protection stone material which the marble and the granite incomparable 产品介绍:经检测,砂岩是一种具有无放射性,无毒,无味,无污染,吸音,吸水,防潮,防滑,吸光等特点的天然环保石材,是大理石与花岗岩不可比拟的。