石芯 meaning in Chinese

litmus

In addition , the vermiculite can make use of it , to manufacture to inflate the preventable fire the door , the light glues the soil the brick , polymer wrap , catalyst etc . the product , its use very extensive , have the certain market potential
此外，此外还可利用蛭石制作膨胀蛭石芯板防火门植物纤维蛭石阻燃复合板蛭石轻质保温板。轻质粘土砖聚合物包装膜催化剂等?品，其用途十分广泛。
C . application of inflatable vermiculite powder : 1 , 10 - 150m is used in heat preservation material for buildings , household congealer , sound - proofing plaster , inner material for safe and cellar . 2 , 20 - 40m is used in cars , planes , ice box , fire extinguisher , filter etc
此外还可利用蛭石制作膨胀蛭石芯板防火门植物纤维蛭石阻燃复合板蛭石轻质保温板轻质粘土砖聚合物包装膜催化剂等?品，其用途十分广泛，具有一定市场潜力。