This is important with hygroscopic materials but can also be essential for non-hygroscopic materials.
材料的预先烘乾不但对湿度敏感的材料很重要而且对非湿度敏感的材料也是必要的。
2
Do not dissolve in water, not drain, not hygroscopic, non-toxic, non-corrosive, in the heat of fire, do not see the change, the melting point of about 135 degrees Celsius.
不溶于水，不易流失，不吸湿、无毒性、无腐蚀性，在火上加热，看不出变化，熔点在135摄氏度左右。
3
Because of its excellent hygroscopic capacity, stable chemical property, environmental protection, non-toxic, harmlessness and low cost, it is more and more popular in users.