Products of the dry-spray type, for the protection of...

Details Products of the dry-spray type, for the protection of... Products of the dry-spray type, for the protection of...

2011-03-01

2011-03-01

Mayes, Melvin C (Department: 1732)

Compositions: coating or plastic

Coating or plastic compositions

Molds and mold coating compositions

C106S038200

Reexamination Certificate

active

07896961

ABSTRACT:
The invention concerns a powdery product, of the type known as dry spray, for protecting centrifuge casting molds of cast iron pipes, comprising the usual components for this type of use, as well as an adjuvant for improving the flowability characteristics of said product when it is being deposited and make them less dependent on its physical or physico-chemical characteristics. Said adjuvant can be in particular silicone oil, potassium siliconate or micro-silica of density less than 0.1 g/cm3, as well as a mixture in any proportions of one or more of those.

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