In poultry production, feathers cause a lot of pollution to the surrounding environment. The emergence of feather industry avoids the pollution of feathers and waste of resources in poultry production and is fully utilized, increased economy
 
After dyeing, pour the washed feather into dye vat, stir it well in water, do not let it gather, pour the dye particles into dye vat according to the proportion of dye instructions, and stir hard in dye vat with a wooden stick at the same time, the water temperature should be controlled at 60-80 degrees Celsius, and the dyeing time should not exceed 12 hours, so as not to damage the feather texture. In this process, feather dyeing is usually better with weak acid dye and neutral dye. The pH value is about 4.5. The temperature is 60-80 degrees Celsius. The dyeing conditions shall be subject to no damage to the feather texture.