Comparing with traditional claybonded sand or sodium silicate bonded sand, Resin bonded sand makes great possibility of cracking in castings, especially scattered tiny crack.
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释义
树脂砂较之传统的粘土砂或水玻璃砂工艺,其铸件裂纹倾向增大,尤以弥散性微细裂纹更为突出。
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