Filtrar KSC SPEED 1 · (I) (15-25-5) + 28SO3FER. SOLIDO ESPECIAL SOLUBLE, ksc speed KSC SPEED 2 · (II) (18-5-5) + 48SO3FER. SOLIDO ESPECIAL SOLUBLE, ksc speed KSC SPEED 3 · (III) (13-5-30) + 2MgO + 7SO3FER. SOLIDO ESPECIAL SOLUBLE, ksc speed