Title:
EXOTHERMIC HEAT INSULATING MATERIAL FOR CASTING IN WHICH FLUORINE IS NOT DETECTED
Document Type and Number:
Japanese Patent JP2004209517
Kind Code:
A
Abstract:
To provide an exothermic heat insulating material which can exert the exothermic heat insulating effect without fluorine addition, more than equivalent to the exothermic heat insulating material with fluoride.
The exothermic heat insulating material is characterized in that aluminum powder and granule, oxidizer, fire resistant aggregate and expanded perlite hollow micro sphere made of calcined obsidian are mixed in addition of inorganic or organic binder, then formed and hardened, and fluorine is not detected in it.
Inventors:
MIKI MASAMITSU
Application Number:
JP2002382350A
Publication Date:
July 29, 2004
Filing Date:
December 27, 2002
Export Citation:
Assignee:
MIKI MASAMITSU
International Classes:
B22D7/10; B22C1/00; B22C9/08; (IPC1-7): B22C9/08; B22C1/00; B22D7/10
Attorney, Agent or Firm:
Kazuo Ozeki