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Novoperm Red HF4B

Pigment Red 187

Novoperm Red HF4B is a transparent blue shade Naphthol AS pigment. It exhibits excellent overall fastness properties. Recommended for paste inks, for solvent- and water-based packaging gravure and flexographic printing inks.

Benefits

  • Excellent fastness properties

Product Data

Physical Data

Density [g/cm3] 1.45
pH-value
Specific surface [m2/g] 66
Average particle size [nm] 110
Fineness of grind [µm]
Viscosity [Pa.s]
Oil absorption [ml/100g] 83

Fastness properties

Staining of the test medium by:
Test medium  Powder pigment Print / draw-down Change of the print
Solvent mixture 4-5 5 5
Ethanol 5 5 5
Ethyl acetate 4-5 5 5
MEK 4-5 5 5
Toluene 5 5 5
White spirit 5 5 5
DOP 5 5
Paraffine 5 5
Butter 5
Soap 5 5
Alkali 5 5
Acid 5 5
Heat stability 10 min.  200°C
30 min.  180°C
Light fastness  1/3 SD 16.0 % 6-7
Light fastness 10.0% 6-7
Silver laquer 4-5
Sterilization Water phase Steam phase
4 4-5

 

Applications

Recommended for

Paste inks

Sheetfed
Heatset
Coldset
Silkscreen
Metal deco
UV curing (Offset)

Liquid inks

NC alcohol
NC acetate
Waterbased
Polyvinyl butyral
Polyamide
Pub gravure, Toluene
Decorative laminates
UV curring (Flexo)

■ highly recommended
● recommended
○ limited suitability
–  not tested

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Safety Data Sheets