... leater tanning agent,etc.Packing and transportation:packed with plastic bag coated with plastic woven bag,25kg or 40kg per bag ... and well ventilated place,avoiding to be stored and transported with acid and oxidant together.Quality standard:GB/T9567-1997 ... turbidity),≤20Colority(platium-cobalt)number20PH value7.5-9.5 We supply 1,3,5-triazine-2,4,6-triaminemelamine powder for Melamine formaldehyde glue ...