... , MSDS Delivery: 7 working day Question 1, What is the colorant made from?It is made from DI ... in factory . Question 4, What the characters of the SM Series colorants?1) Colorants made of high quality pigments, ... need to take before and after use them?1) Please make compatibility experiments before using them.2 ... if sealed and stored properly.Question 6, How about the prices of them?Please mail or call me ...