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Sibelco Group for digital glaze

Davide Maccaferri Sibelco Europe

VIth ACIMAC meeting on: Digital Decoration & Glazing Technologies for Ceramic Tiles

• Sibelco Group overview

• Sibelco Europe products for digital glaze

• Milling capacity and capabilities of Sibelco Europe

• Products’ technical features


SIBELCO group overview

10,500 people

208 Operations

41 countries

Sibelco Europe minerals portfolio

Quartz &

Silica sands

Clays &

Kaolins

Feldspars &

Nepheline

Wollastonite

ATH Alumina

Calcined Allumina

Natural Oxides

Digital

Glazes

Milling Capability of different minerals

Devon (UK) Clays Kaolins

Utièl-Nulès (ESP) Quartz Feldspar Nepheline

Westerwald (DE) Clays & Kaolins

Poviglio/Colombara –Sessa Aurunca (IT) Wollastonite Quartz Clays & Kaolins ATH Nepheline

Geertruidenberg (NE) ATH Wollastonite Feldspars

Sibelco Europe milling capacity

• Italy:

Poviglio, Colombara and Sessa A. = 13 mills

260 kT/year

• Sibelco Mineral Plus (Netherlands)

Geertruidenberg = 12 mills

225 kT/year

• Spain:

Utièl and Nulès = 7 mills

180 kT/year

Products Technical characteristics

Quartzs

(%) Silverbond

SA300 Silverbond

SA600 Silverbond SA800ES

SiO2 99,2 99,2 99,2

Al2O3 0,45 0,45 0,45

Fe2O3 0,03 0,03 0,03

D90 (µm) 15 10 7,4

D50 (µm) 6 3 2,2

Main features: chemical consistency, controlled Particle Size Distribution


Clays & Kaolins

(%) BWS

Puraflo DM

Puraflo FT-V161 Puraflo

DBX-2 Opal

KCR Kaolin

Al2O3 33,6 31,5 25,5 30,0 33,1

Fe2O3 1,1 1,2 1,0 0,8 0,6

TiO2 0,9 1,0 1,4 1,3 0,4

D50 (µm) 3,8 2,9 3,8 3,5 6,8

Main features: selected from high quality clay layers, stable rheology, chemical consistency


Feldspars & Nephelines

(%) UNISPAR

PG4 UNISPAR

PG7 Vitroflux

A75 Nepheline

N20N Spectrum

N20

Al2O3 18,0 18,0 16,7 23,5 24,6

Na2O 10,2 10,2 0,5 8,9 8,1

K2O 0,3 0,3 0,4 7,5 8,8

Li2O -- -- 4,2 -- --

Fe2O3 0,1 0,1 0,03 0,08 0,1

D50 4 7 4 6,5

Main features: chemical consistency, NOT LABELLED, controlled Particle Size Distribution


Wollastonite & ATH (Alumina Trihydrate)

(%) Casiflux

G20 Casiflux

G38

Portafill ATH SG10

Portafill ATH SG40

Al2O3 0,4 0,4 65 65

CaO 44,0 44,0 -- --

Fe2O3 0,37 0,37 0,01 0,01

LOI 1,7 1,7 34,5 34,5

D50 9 16 3,8 11,5

Main features: chemical consistency, controlled Particle Size Distribution

• Wider range of minerals portfolio for Digital Glaze

formulation


Conclusion:

• Technical knowledge in milling different minerals

through different type of mills at different PSD

• Support Digital Glaze producers in their R&D and

INNOVATION process

If you want go fast, go alone.

If you want go FAR go TOGETHER. African proverb


Thank you for your attention….

sibelco group for digital glaze -...

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