silicon monoxide 30mm-1mm,100mesh-6000mesh high purity 99.99% cnpc brand,factry price SILICON MONOXIDE TECHNICAL DATA PROPERTIESSilicon monoxide is an amorphous solid which does’t have a characteristic X-ray diffraction pattern. SiO is brown in powder and black in granular.It is stable at room temperature, but at temperatures of 400-800°C, X-ray readings show traces of the disproportionation ...