Ethyl Cellulose (EC) 1. Ethoxy: 47.5-49.5% 2. Viscosity: 4- ... , 5% solution 3. Loss on drying: 3.0% Max Ethyl Cellulose (EC) I.Technical specification:1) Quality standard: the product is ... .4Heavy metal(ppm)≤20Arsenic(ppm)≤3Viscosity (mPa.S)(5%toluene/ethanol solution,25 )5,7,10,20,50,100,200,3002 ...