Logwood Color

[ Active ingredient ]  color scale
[ Detection method ]  UV
[ Appearance ] Gray Black Powder
COA of Logwood Color
Assay (UV):  85.69
Sieve analysis:  100mesh  
Loss on Drying:  4.5%
Extract Solvent:  alcohol      
(Cu) %:  ≤0.0001           
(As) %:  ≤0.0001    
(Pb) %:  ≤0.0003 
Total Plate Count:  <1000/g  
About Logwood Color
Haematoxylin is the main part of the logwood color. We can see black-brown powder、pasty or liquid. It is absolute a natural pigment abstracted from the core of Haematoxylon campechianum by modern biotechnology as black-brown coloring.
This product has been exported to EU, Japan, USA, Asia etc. The physical level and microbiological level can meet the export standards well. For avoiding fakes, this product already has normal enterprise NO: Q/KLE81-2005.
[ Packaging ]　cardboard drums, with double aseptic food poly bags inside. Or by cartons, with vacual aseptic food poly bags inside, 20kgs per carton with 8 bags inside,2.5kg per bag.
[ Storage ] 
Store in cool & dry place
Keep away from strong and hear
[ Shelf life ] 18months when properly stored