Does Self-Cleaning glass actually work?
Self-cleaning glass has become very popular in the UK glazing industry and has been designed to keep a glass surface free of dirt. This chemical treatment, is made up from titanium dioxide and requires both UV light (photocatalytic) and water (hydrophilic) to become active (chemically active).
When ultraviolet light makes contact with the titanium dioxide coating, electrons are generated. These turn water molecules from the air into hydroxyl radicals (highly reactive, negatively charged particles) that make chemical oxidation and ‘reduction reactions’ take place on the glass coating. These break organic dirt up making it easier for rain water to wash away.
Unfortunately self-cleaning glass is incapable of working effectively against inorganic dirt such as; salt staining, chlorine in swimming pools, silicone run-off, metal oxide contamination and atmospheric pollution.
Locations such as coastal towns, buildings in close vicinities to railway stations, train tracks, city centres, swimming pools and leisure centres are particularly susceptible to these types of surface contamination and over time, the glass can be seen to adopt a ‘foggy’, dirty appearance and the surface contamination can be incredibly difficult/impossible to remove.
Furthermore the coating is ineffective in locations where windows and screens are sheltered from direct rain and sunlight by; other buildings, trees, eaves, overhangs, lintels and arches.
“Self-cleaning glass is only self-cleaning when it is regularly hosed down with water and in direct sunlight.”
What other products are available?
There are a number of alternative glass treatments readily available in the UK glazing market that can be self-applied. These range from reactive silicone fluids, to silane solutions, to hydrophobic nano water repellent sprays.
However one of the main problem with these products is they only offer a temporary solution (water repellence) and often need to be reapplied every few weeks. Furthermore many have short shelf lives and have low weathering & chemical resistance capabilities.
What’s the solution?
Ritec’s ClearShield Eco glass treatment is a non-stick, easy clean, polymeric resin which is applied to the glass surface and forms a multi-molecular, chemical linkage with the glass. This treatment acts as a constant hydrophobic, water repellent that prevents both organic and inorganic dirt from permanently embedding/etching on the surface of the glass.
So, Clearshield Eco forms a permanent bond to become part of the glass itself and lasts for up to 15 years on vertical facades, windows and doors. The treatment makes it significantly easier to clean then untreated glazing, so the cleaning cycle and the time taken to clean the glass is significantly reduced.
“Half the frequency, half the time!”
Buy Online: www.DortechDirect.co.uk
Order-Line: 01484 411 365
What are the benefits of ClearShield?
· Anti-Microbial: Excellent for hospital, kitchen and hygiene environments.
· Chemically inert: Dirt, bacteria and atmospheric pollution does not react with the surface of the glass.
· Improved light transmittance: The glass remains cleaner for longer.
· Easy to clean: Dirt cannot embed on the glass surface and is easy to wash away.
· Costs: Reduces your cleaning cycle and associated costs.
· Greener: Requires less maintenance and therefore less water, materials and resource
What products are available?
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