Egg shell membrane (ESM) was removed from crushed hen-egg shell waste that was thoroughly washed and dried in hot air oven at 60 ๐C for 1 hour. After that, ESM was blended in a domestic blender that have glass body with stainless
steel blade for 3 minutes. The blended ESM was sieved to obtain particle size between 32-35 mesh or about 0.425-0.500 μ m. After completed the sieving, about 85.92 % of all blended ESM was recovered.