Provavelmente sim.
De acordo com o dicionário do Force Awakens Visual (originado indiretamente através da wikia, afirma que ela adquiriu sua armadura de cromo de Palpatine's Iate nabooiano
Phasma wore armor coated in chromium salvaged from a Naboo yacht once owned by the Galactic Empire's Emperor Palpatine. Its polished finish helped reflect harmful radiation and was capable of deflecting weak blaster bolts, although the chromium served primarily as a symbol of past power. Phasma also believed that stormtrooper armor provided anonymity to an individual's gender, paying little heed to the antiquated belief that female stormtroopers were something new.
Star Wars Wiki - Phasma, Equiptment
Isso é suportado em sua página no banco de dados
Clad in distinctive armor of salvaged chromium, Captain Phasma commands the First Order’s legions of stormtroopers
Star Wars Data Bank - Captain Phasma
Embora mais blindados Chromium possivelmente pudessem ser feitos, parece significar sua classificação entre o triunvirato comandante ao lado de Kylo Ren e Hux.
Phasma served as one of the First Order’s commanding triumvirate, though she sometimes clashed with both the technocratic General Hux and the mysterious Kylo Ren.
ibid.