Foaming agent for manufacturing a foamed or porous metal

Specialized metallurgical processes – compositions for use therei – Compositions

Reexamination Certificate

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Reexamination Certificate

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07410523

ABSTRACT:
A foaming agent used for manufacturing a foamed or porous metal. The agent is composed of a foamable powder and a coating layer of SiO2covering the particle surfaces of the powder and having a good wetting property therewith.

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