ECC SF70

Super Fine calcium Carbonate ECC SF70

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ECC SF 70 is a fine particle size, high brightness calcium carbonated derived from pure limestone. It is characterized by its high whiteness. ECC SF 70 is used in paper, Powder coating (glossy finish), water based paints, solvent based paints, protective paints, printing inks, adhesives and sealants.
Whiteness 97.5 MIN (DIN 6174)
Refractive index 1.59%
Hardness(Mohs) 3.00
Humidity 0.2% MAX
Density 2.730 g/cm 3
p H 9 (ISO 787/9)
Oil Absorption 26.0 ml/100g (ISO 787/5)
Bulk Density 0.5 g/ml (ISO 787/11)
CaCo 3 MgCo 3 Fe2 O 3 Al 2 O 3 SiO 2 Na 2 O CaO L.O.I
99% MIN 0.20% MAX 0.01% MAX 0.04% MAX 0.01% MAX 0.05% MAX 56.06% MAX 43.89% MAX
Particles < 2 μm
70 ± 1 μm
Main Particle Size (D50)
1.4 μm MAX
Top Cut (D98)
4.5 ± 0.50 μm

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