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Ceram has completed a study investigating how the chemical non-slip treatment of flooring materials affects surface topography and how this relates to product performance.

Using white-light interferometry, Ceram’s study compared the effects of an acid etching product and Bonasystems’ Bonagrip treatment on ceramic floor tiles.

Results demonstrated a marked difference in microtopography, directly linked to product performance characteristics including ease of cleaning and long-term durability.

White light interferometry is an optical metrology tool that quantitatively measures and characterises the microtopography and surface roughness of materials.

Using this technique, Ceram produced 3D representations of the ceramic tile surfaces following both chemical treatments.

The images illustrate that the acid etching treatment produces a topography characterised by needle-like pinnacles with deep valleys, compared to the more undulating topography produced by the Bonagrip treatment.

Quantitative comparison of surface roughness and peak to valley distance from the treated tiles and an untreated reference confirmed that the acid etching treatment produces a highly pitted surface structure with peak-to-valley heights significantly larger than that produced by the Bonagrip treatment.

CERAM is a global expert in materials testing, analysis and consultancy,providing customised solutions that can help you to measurably improveperformance and profitability through safer, regulatory-compliant andbetter-engineered products.

Setting new standards in materials testing, our experts work as extensionsof our clients’ teams, applying their expertise and capabilities to a widerange of sectors, including:

aerospace & defence

automotive & transport


consumer & retail


energy & environment


materials manufacturing



Headquartered in Staffordshire, UK, with laboratories and offices around theworld, CERAM employs a team of research and product developmentprofessionals who are involved in physical and chemical materials testing,research, process engineering, product design and failure analysis.

We are a UKAS accredited testing laboratory (No. 0013) in the UK and haveCERAM-accredited laboratories around the world.

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