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SanTon casting clays
SanTon casting clays
SanTon casting clays
SanTon casting clays
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SanTon casting clays

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SanTon Casting Clays for sanitaryware

SanTon Casting Clays for sanitaryware

Published in: Business, Technology
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  • 1. SanTon Sanitaryware casting claysBlended clays engineered for improved casting speed
  • 2. Engineered performance for modern sanitaryware manufacturingThe SanTonTM range of plastic clays (ball clays) are carefully selected, engineered mineral products designed to give the user improvedcasting speeds and rheological stability in sanitaryware casting applications.The SanTonTM range of plastic clays (ball clays) are fully blended, engineered mineral products combining clays from various wellknown European sanitaryware plastic clay deposits. The systematic composition of mineralogy and colloidal carbon provides excellentrheological properties with regard to long term stability of casting slips for the production of high quality sanitary ware.Key Features of the SanTonTM range include:• low residues & low coarse organic lignite• improved rheological stability and constant fluidity• low soluble salts• good filtration properties & casting rate• broad vitrification range combined with high material strength when in the vitreous formulationSanTonTM plastic clays are ideally suited as the sole clay in a formulation or can be used to improve performance of local clays.Recommended Applications: Recommended Sanitaryware Applications Product General Purpose Fast Casting Pressure Casting Fine Fire Clay SanTon Standard   SanTon L   SanTon FT-S   SanTon 172   SanTon Roco SV   SanTon FFC Chemical And Analytical Data – Typical values which do not represent a specification SanTon SanTon SanTon SanTon SanTon SanTon Property unit Standard L FT-S 172 Roco SV FFC SiO2 Mass % 56.3 60.3 65.4 63.3 64.6 67.5 Al2O3 Mass % 28.4 25.9 23.0 23.3 23.0 20.9 Fe2O3 Mass % 1.2 1.0 1.0 1.0 1.0 1.0 TiO2 Mass % 1.4 1.5 1.4 1.6 1.8 1.6 K2O Mass % 2.1 1.9 2.6 2.4 1.8 0.9 Loss on Ignition % 10.1 9.0 6.6 7.6 7.3 6.5 Modulus of Rupture (dried 110°C) Mpa 6.2 6.4 5.0 6.4 5.3 5.8 Residue > 63µm % greater 3.0 3.0 2.5 3.0 3.5 9.0 Particle size @ 2µm % finer 68 57 62 64 60 55
  • 3. SanTonTM plastic clays are engineered to improve sanitaryware casting performanceThe inclusion of SanTonTM Standard in a traditional vitreous formulation (Figure 1) shows several casting benefits, making SanTonTMideally suited to increase manufacturing casting speeds:• lower deflocculation demand• 20% increase in casting rate for a 10% drop in body strengthFigure 1: Casting Performance of SanTonTM vs typical UK plastic clay (formulation 25% plastic clay, 25% kaolin, 18% flux (Spectrum45) and32% Silica (Cerasil 53) SanTonTM Standard Recipe Standard Casting rate (mm/hr) 9.5 11.4 Deflocculant demand (%) 0.23 0.17 Body strength - dry (MPa) 3.2 2.9 Bulk density - dry (g/cm-3) 1.76 1.74Casting properties have been harmonised to similar density, fluidityand thixotropy. With such a wide range of SanTonTM products their particle size distribution availability ensures there’s a product for all sanitaryware manufacturing methods.The SanTonTM range of products offer improved cast stability against locally available sanitaryware casting clays:A systematic composition of mineralogy and colloidal carbon provides excellent rheological properties with long term stability ofcasting slips. Using advanced rheological techniques these clays have been designed for improved cast stability and by utilizing ourunderstanding of mineralogy the blends are engineered for optimum sanitaryware performance.A unique characteristic of SanTon products is their fluidity at high density, unlike typical central European clays they maintain stableviscosity under varying shear conditions. Figure 3 shows a stable viscosity profile for a typical SanTon product over a range of shearrate conditions, this means that when included in a body formulation SanTon can assist with good fluid casting slips and improve castdrainage minimising casting defects. Stress ViscosityFigure 3: Rheology profile of a typical SanTon product: Measured on a rheometer using a slip@ 1.73 kg/l
  • 4. over 220 production sites in more than 40 countrieswww.sibelcoceramics.com e-mail: qualityceramics@sibelco.com

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