Hostaperm Blue A4R

Pigment Blue 15:1

Edition Date :
January 01, 2014
Reddish blue pigment stable to aromatic solvents with the outstanding fastness properties of this group of pigments. In shade it is distinctly redder and slightly purer than Hostaperm Blue A2R.
Benefits
  • Very high weather fastness
  • Very high overspray fastness
  • High tinting strength and brilliance
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Hostaperm Blue A4R

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Product Data
Application Profile
  • Industrial Coatings
  • Decorative Paints

Special Recommendations
Air-drying Alkyds
 
Physically Drying Paints
 
Baking Enamels
 
Acid Cured Paints
 
Amine Cured Epoxies
 
Isocyanate Cured Paints
 
Waterbased Paints
 

● recommended
○ limited suitability
-  not recommended

Physical Data
Density [g/cm3] 1.61
Form of Supply
  powder
Specific surface
[m2/g]
65
Oil absorption
[ml/100g] 74
Avg. Size of Primary Particles
[nm]
60
Heat Stability
[°C]
200

Fastness Data
     to Light
 to Weathering
 
 

12 month
24 month

  LOA
AM LOA
AM
LOA
AM
Full shade
  8
8 5 5 5 5
Deep shade   8 8 5 5 5 5
1/3 ST [1:12.6 TiO2]
8 8 5 5 5 5
1/25 ST
[1:178 TiO2] 8 8 5 5 5 5

Acids
  5  
Water   5  
Butyl Glycol
  4-5  
Methyl Ethyl Ketone
  4-5  
Xylene   4  
Alkali   5  
Butanol   5  
Butyl Acetate
  5  
White Spirit
  4-5  
Dibutyl Phthalate
  5  
Blooming   No blooming observed  
Fastness to Overpainting 
NC AM (120°C)
AM (160°C)
  5 5 5

LOA- Air-drying Long Oil Alkyd
AM- Baked Alkyd-Melamine
NC- Nitrocellulose Combination Lacquer