ðə fɹˈɛntʃ nˈeɪvi ɪnstˈɛd dɪvˈɛləpt ðə slˈoʊ bˈɜːnɪŋ kˈoʊkoʊ ˌɛsbˌiːsˈiː pˈaʊdɚ, wˌɪtʃ hæd ɡɹˈeɪnz ʌv ɐbˈaʊt ; stˈɪl ˈoʊnli fˈoːɹɾi pɚsˈɛnt ʌv ɪt bˈɜːnd, ðə ɹˈɛst wʌz ɪdʒˈɛktᵻd æz hˈɛvi blˈæk smˈoʊk.
The French Navy instead developed the Slow Burning Cocoa (SBC) powder, which had grains of about ; still only 40% of it burned, the rest was ejected as heavy black smoke.