Page 15 - CO_April_2023

COVER STORY

Nippon Paint said the growing trend of 30-40% lower carbon footprint due to the lower clinker content;
urbanisation was expected to drive this clinker is the backbone of cement production. It is essentially a
category. “We are happy to expand into mix of limestone and minerals that have been heated in a kiln
the construction chemical solutions market. and have been transformed by this heat. Sika admixtures and
Pegged at being an `12,500 crore market, additives enable the use of recycled or lower-grade aggregates
this segment provides ample opportunities and sand in concrete without compromising performance; and
for growth and innovation,” says our high-end adhesive technologies help save material in vehicle
Mahesh Anand, President, Nippon Paint (Decorative). “With and battery manufacturing, enabling e-mobility and lightweight
Nippon’s strong presence, market know-how and distribution vehicle construction.
strength, we are positioned perfectly to ace this segment,” he said. After two years’ work, CHRYSO’s Research & Development teams,
From the house of Saint Gobain, a new product is joining the in collaboration with their counterparts from Bouygues Construction
eco-friendly adhesives range: webercol pro eco. An innovation and Hoffmann Green Cement Technologies, have developed a
that is at the heart of the challenges of sustainable renovation decarbonated clay concrete. It is based on an H-EVA cement
and construction. With a 30% reduction in CO2 emissions, the new (patented by Hoffmann Green Cement Technologies), which does
webercol pro eco adhesive formula has been awarded the highest not contain a gram of clinker. Clinker is a mixture of limestone and
class (EC1plus) of the GEV-Emicode label, which certifies the low silicates that requires firing at more than 1,400 °C and is therefore
environmental emissions of a product. It has also been awarded responsible for high greenhouse gas emissions from cement, and
the Origine France Garantie label thanks to its 100% domestic therefore from concrete. Without clinker, the carbon footprint of this
production. cement is divided by four compared to its conventional equivalent.
Cemax AE500 is a chloride-free additive from Fosroc based on Unique and innovative, H-EVA cement has a formulation that
anionic and non-ionic surfactants and amine based. Cemax AE500 does not contain a single gram of clinker and a carbon footprint
acts on the interface of the cement particles and mixing water to that is four times smaller than that of traditional cement. This
produce microscopic air bubbles evenly distributed throughout the cement is based on an alkaline-based activated clay technology
cement in the mortar paste of the cements. Cemax AE500 is one developed by Hoffmann Green and is available as a powder that
of the most effective air entraining additives developed for use in can be stored in silos and is perfectly compatible with existing
the manufacture of air entraining Portland cement and masonry manufacturing processes. With a mechanical strength of up to 60
cements. It improves cohesion, reduces segregation and bleeding Megapascal at 28 days, its strong technical performance means
of cement paste. It improves the strength of cement and gives that it can be used for all types of concrete applications in buildings
dense, uniform, close textured surface to cement paste. It has and on roads.
excellent air bubble stability. It delivers consistent performance, Bruno Pellerin, Chryso’s R&D Director, adds, “At the heart of
even with changes in aggregate quality and ambient temperature, the H-EVA technology, clay is a material that is available almost
and is effective in low workability cement paste. everywhere in large quantities which advantages can be fully
Additionally, the company recently launched Nitoflor PAFS, a new drawn thanks to very specific admixtures. Our range of admixtures
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and innovative low odour, taint-free polyaspartic-based high CHRYSO EnviroMix, and in this case EnviroMix ULC for “Ultra Low
build floor coating system. This FeRFA Type 3 system offers the Carbon”, has been developed to meet the requirements of low
user a seamless and durable surface finish that can have anti- or very low carbon concrete. Through sustained investment in R&D
slip aggregates, flakes or coloured quartz incorporated within it. over many years, we are committed to supporting our customers
Nitoflor PAFS is fast curing - around 1 hour per coat depending and partners in reducing the carbon footprint of their business. This
on temperature. Unlike traditional fast curing resin flooring systems, partnership illustrates the key role of innovation in providing credible
Nitoflor PAFS creates very little odour on application, and as it has solutions to the new challenges facing the construction sector.”
been certified as having no potential to taint by Camden BRI, this Mapei Ultratop Loft-W is a self-levelling, cementitious overlay
makes it ideal for use in food and beverage projects. Nitoflor PAFS designed to create a decorative finish on interior surfaces. Mapei
can be used internally and externally, and it is this versatility that Ultratop Loft-W is primarily used as a decorative overlay for interior
makes it an excellent choice for a variety of commercial and surfaces, such as floors, walls, and countertops. It is commonly
industrial flooring projects. used in residential, commercial, and industrial settings to create
Developing and manufacturing a wide range of products – for a polished concrete look that is both aesthetically pleasing and
bonding, sealing, damping, reinforcing and protecting buildings durable. Mapei Ultratop Loft-W is a cementitious overlay that is
and vehicles – Sika puts sustainability at the forefront of its work, designed to create a decorative finish on interior surfaces. The
producing the first ever biomass-based protective coating for product is designed for high-traffic areas and is highly resistant to
concrete, manufacturing high-performing grouts with a 30-40% abrasion, impact, and wear. In addition, it can be customized
lower carbon footprint, and developing the ground-breaking with various colours and finishes, making it a versatile choice for
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reCO2ver concrete recycling process that includes sequestration designers, architects, and contractors. Mapei Ultratop Loft-W is
of CO2 and enables the upcycling of old concrete. made up of a blend of hydraulic binders, selected aggregates,
Recently, Sika launched a tile adhesive with zero Portland cement and special additives. It is a self-levelling product that can be
content and 50% reduced carbon footprint. The company applied in thicknesses of 3-10 mm. The product is typically applied
offers the first biomass-based protective coating for concrete over concrete, ceramic tiles, or other stable substrates. It can be
on the market. It has also developed high-performing grouts with used for both horizontal and vertical applications. The material is

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