CANGZHOU RUIDONG CHEMICAL INDUSTRY CO.,LTD  
Search:
     Home
About Us Products Honor Quality Order Contact Us Chinese
http://www.ruidongchem.com
 

 Adobe Flash Player

Products
Basic dyes series
 
Direct dyes series
 
Acid dyes
 
Acid dyes series
 
L-Valine methyl ester hydrochloride  

4-Aminoacetanilide

 
Permanent Yellow 83  
Benzidine Yellow G  
Sodium 3-Nitrobenzenesulfonate  

Rhodamine B Liquid

 
Violet Liquid  
login
 
 
rdhg@china.com
order
 
Direct Green B
Alias:Direct Dark Green BN
Color index:C.I. Direct Green 6 (30295)
English name:Direct Green B;Direct Dark Green BN(CNC);Mitsui Direct Green BC(MDW);Shangdirect Green B(SHD).
Structural formula:
Process flows :
Characters:Deep grey powder and soluble in water to become deep green, and slightly soluble in alcohol and insoluble in other organic solvent. Purple black when meeting sulphuric acid.
 
 
Quality standard
Index name
Index

Apperance strength,separated coloured light Color fastness in wool wool fabrics, impurity content insoluble in water,% moisture content,% fineness(80 meshes residual content),%

深灰色均匀粉末 100±3 of standard products similar to standard products accord to standard products ≤1 ≤7 ≤5

Use:Mainly used in cotton, hemp and other fabric dyeing, and used in paper slurry, soap, leather and other coloring.
Application performance:Colour fastness(grade) in cotton fabrics:

Solarization

Soaping
Water leaching
Perspiration
Ironing
Friction
Acid and alkali resistance
fading
staining
fading
staining
fading
staining
dry
wet
sulphuric acid
acetic acid
sodium carbonate
1~2
3
1~2
4
1~2
4
1~2
4
3~4
2~3
1
4~5
1
order back
 
Copyright(C)2010,CANGZHOU RUIDONG CHEMICAL INDUSTRY CO.,LTD . All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle Copyright Notice
chinese english Contact us