OXIDO DE CROMIO

OXIDO DE CROMIO

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Chromium Oxide

O óxido de crómio é usado na fabricação de vidrados verdes. Geralmente 2% de cromo dá verde.

Em proporções muito baixas, em torno de 0,1% já desenvolve coloração, as cores mais características são o verde escuro / garrafa.

Em vidrados de chumbo a baixas temperaturas pode produzir vermelhos e laranjas. 

Juntamente com o óxido de estanho pode dar rosas. 

Misturado com alto teor de chumbo, amarelos.

O óxido de crómio pode contaminar outros vidrados durante a queima (uma pequena quantidade volátil de cromo tornará outras peças “rosadas”.

Quantidade sugerida em vidrados: 1-3%

Cr2O3

 Ficha Técnica

 

 

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