7164 powder sample agents products are offered for sale by suppliers on Alibaba.com, of which chemical auxiliary agent accounts for 69%, food additives accounts for 4%, and daily chemicals accounts for 2%.
A wide variety of powder sample agents options are available to you, such as coating auxiliary agents, water treatment and water treatment chemicals.You can also choose from powder, liquid and white powder powder sample agents,as well as from white, black, and clear powder sample agents, and whether powder sample agents is carbon, hpmc, or carbon black.