תחמוצת כרום ירוק

Home Molecular Biology Grade PEG 8000 Polyethylene Glycol 8000 上一页 下一页 inquiry Whatsapp Green fine chromium oxide abrasive polishing compounds are an excellent choice for achieving a high-quality finish on both metal and non-metallic surfaces. This product has a cubic crystal system or amorphous powder structure, and it has an olive green color with a…