... .Possesses strong me fiber coloring agentFiber paste (Viscose fiber coloring agent) Outline1,Possesses strong merits, the color is gorgeous bright, ... black, JY4219, N220 etc.), kinds of auxiliaries and water. Specification solid content: 20±1% partical size: <=1um 95% >=2um <=20 ... with uniform color, no damage to fiber strength, no increasing the entanglement, no obstructive to running off of fiber oil ...