Requires Heavy Knothide Leather (8), Light Feather (99), Primal Air (2), Primal Nether.
2
本发明涉及的是一种以动物的皮、骨、结缔组织为原料来生产明胶的生产工艺。
A process for preparing gelatin from the skin, bone and connective tissue of animals includes immersing in acid, immersing in lime milk, neutralization, becoming gelatin and drying.