1. FC: 98% min. S: 0.05% max. Cinis: 1.0% max. VM: 1.0% max.Humiditas: 0.5% maximus N: 0.03% maximus2. FC: 98.5% min, S 0.05% max, Cinis 0.7% max, VM 0.8% max,Humiditas: 0.5% maximus, N: 0.03% maximus3. FC: 99% min, S 0.03% max, Cinis 0.5% max, VM 0.5% max,Humiditas: 0.5% maximus, N: 0.03% maximus Magnitudo: 0-0.1mm, 0.5-5mm, 1-5mm, 90% min etc. vel secundum requisita emptoris. Involucrum: saccus magnus 1mt vel ut petitio Plura cognoscendi causa, nobiscum communicare potes: IudithaWeChat / whatsapp + 86-13722682542 Email: judy@qfcarbon.com Interrete: http://www.qfcarbon.com