Wet film coating sand

Wet film coating sand

CN
  • CN 1,274,625 A
  • Filed: 06/13/2000
  • Published: 11/29/2000
  • Est. Priority Date: 06/13/2000
  • Status: Abandoned Application
First Claim
Patent Images

1. wet film coating sand, it comprises roughing sand, resinoid bond, curing agent is characterized in that, also includes the machine oil ester in this precoated sand, the ratio of its addition and roughing sand is counted 0.01-0.5 by weight:

  • 100.

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