Good cracking-resistant : NFS has high density and has very low cracking rate when re-used that make it more good to environment for the less sand powder occured.

• 耐破碎性好：铸宝砂的致密性好，强度高，即使重复再生使用也很少破碎，减少铸造生产过程中的粉尘对生产环境的污染，再生性好，减少产业废物排放，利于环境保护。