The limitations of natural color. 1. the quantity of the substance in the raw material, there are fewer color dye. Make dark colors do not dye or require large amounts of raw materials. 2. can be produced in about a lot and could not produce a color based on a market need. 3. fading and color to a low light. 4. the quality of the natural coloration depends on several factors which are difficult to control. The dye, the same work. 5. If there are no natural coloration and lack of awareness on the sustainable use of resources will inevitably become environmental destruction.
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