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The recipe is very simple. To do this, use gelatin and glycerin in a weight ratio of 1: 1. To prevent dissolution of the material in water, it is treated with a solution of tannin. Tannin is a naturally occurring cross-linking agent that connects long chains of gelatin molecules (collagen). In nature, such a material is easily decomposed by living organisms and does not harm the environment. Please subscribe, rate and comment!
