"Development of Color and Gloss Allowance" standard, mainly around the determination method of Color and Gloss Allowance Development. Standardize the basic principles and scope of application of Color and Gloss Allowance Limitation, clarify the requirements of sample prepative, measuring instrument calibrating and Measurement conditions, and provide quantitative standards for product Color and Gloss quality control and acceptance by scientifically setting the allowance range to ensure the conformity and Stability of different batches of products in Color and Gloss.