Ivar Eriksson

Concrete is the foundation of contemporary infrastructure, providing strength, toughness, and durability in a broad spectrum of construction projects. Yet, its porosity and exposure to the environment can cause internal degradation, particularly where steel reinforcement is present. Steel reinforcement corrosion is a quiet but significant menace, resulting in cracking, spalling, and eventual failure of structures. In order to combat this, builders and engineers use anti-corrosive concrete agents that provide an active defense against internal corrosion. Anti-corrosive agents for concrete are chemical compounds that are added to concrete mixes or applied to completed structures to prevent the electrochemical process of corrosion. Their main role is to safeguard the embedded steel reinforcement against rusting in the presence of water, oxygen, and chlorides. These agents play an important role in aggressive environments like coastal sites, industrial areas, and areas where de-icing salt ... Continue reading →

Rust is among the longest-standing and most expensive problems encountered in metal structure, machine, automobile part, and reinforced concrete industries. Rust development compromises metal strength, impacts performance, and results in constant repairs or replacements. The most useful approach to counteract this problem is through the application of rust inhibition additives, which are chemically engineered substances with the ability to prevent or markedly reduce the oxidation reaction process responsible for rust. Rust inhibitors are employed in many industries such as construction, automobile, marine, and manufacturing. They can be used within paints, coatings, lubricants, or even concrete admixtures—wherever metal is exposed to moisture, oxygen, or corrosive chemicals. Their main job is to form a barrier to prevent these corrosive agents from coming close to the metal surface or to chemically neutralize corrosion-promoting conditions. Rust inhibitor additives in industrial ... Continue reading →

In reinforced concrete construction, stability and strength are primarily dependent on the steel reinforcement embedded in them. Still, with exposure to the environment, the steel corrodes over time, significantly weakening the integrity of the structure. To counter this, the construction sector has opted for sophisticated techniques and materials to provide improved reinforcement corrosion protection. This is very crucial for increasing the longevity of buildings, bridges, coastal structures, and other infrastructure exposed to water, chloride ions, and aggressive chemicals. Reinforcement corrosion protection utilizes several methods and products that reduce the risk of steel bar corrosion within concrete. When new, the high alkalinity (around a pH of 12.5–13.5) in freshly laid concrete normally maintains the steel in its passive and protected condition. With the passage of time, carbonation or chloride penetration lowers the pH or deposits corrosive species that destroy this ... Continue reading →

Concrete, one of the most widely used construction materials in the world, is prized for its strength and versatility. However, it is not invincible. Over time, exposure to harsh environmental conditions, chemical attacks, moisture ingress, freeze-thaw cycles, and heavy loads can degrade concrete and compromise the structural integrity of buildings and infrastructure. To counteract these difficulties, manufacturers and engineers have been relying more and more on chemical additives to concrete durability that hold a crucial position in enhancing performance and service life. Chemical concrete additives for durability are proprietary chemicals designed in the form of specialized compounds to be incorporated into the batching of the concrete. They influence the nature of concrete both in its fresh and hardened states. Depending on their composition, they are capable of enhancing workability, decreasing permeability, increasing chemical resistance, and suppressing cracking from shrinkage ... Continue reading →

Corrosion is one of the major causes of degradation in metallic structures, particularly in reinforced concrete structures, in the construction and infrastructure sector. Corrosion, if left unchecked, over time deteriorates the structure's integrity, resulting in higher maintenance costs and safety issues. The most efficient and scientifically validated solution to this problem is electrochemical corrosion control. This sophisticated technique provides an effective means of preventing corrosion, especially in severe conditions like marine, coastal, and industrial areas. Electrochemical corrosion control entails the application of electric currents or potential differences to prevent or substantially decrease the rate of corrosion in metallic structures, particularly buried steel reinforcement in concrete. The method essentially includes two chief systems: cathodic protection and electrochemical realkalization or chloride extraction. Cathodic protection (CP) is the most common type ... Continue reading →

In the realm of modern construction and infrastructure maintenance, preserving the durability and integrity of concrete structures is paramount. One of the most effective approaches to safeguarding concrete—especially in environments exposed to moisture, salts, and chemicals—is the use of concrete sealers with corrosion inhibitors. These specialized products not only protect concrete surfaces from environmental damage but also shield embedded steel reinforcement from corrosion, thereby extending the life of structures significantly. Concrete sealers with corrosion inhibitors serve a dual purpose: they act as surface protectants that limit the penetration of water and harmful substances, and they chemically interact with steel reinforcement to reduce the risk of rust and corrosion. This combination is particularly beneficial for structures such as bridges, parking garages, marine piers, and industrial floors, where concrete is continuously exposed to harsh conditions. There ... Continue reading →

Corrosion continues to pose a severe threat to the lifespan and integrity of infrastructure across various industries. From bridges, pipelines, and marine structures to reinforced concrete buildings, the corrosion-related degradation not only poses risks to safety but also incurs enormous maintenance and repair expenses. To address this chronic problem, polymer-based corrosion protection has become a highly effective countermeasure that provides long-term resistance to environmental aggressors while enhancing the lifespan of vital assets. Polymer-based corrosion protection utilizes synthetic polymer materials like epoxies, polyurethanes, acrylics, and polyvinyl chlorides to create a protective covering on metal or concrete surfaces. The polymers are designed to be resistant to moisture, salts, chemicals, UV rays, and other corrosive substances that start and enhance corrosion. Polymer coatings seal surfaces and keep them from coming in contact with extreme environments, slowing down ... Continue reading →

Steel-reinforced concrete structures are ubiquitous in contemporary construction because of their durability and strength. Steel reinforcement, though, is susceptible to corrosion, particularly in harsh environments like coastal regions, industrial settings, or areas with intense chloride exposure. Once corrosion starts, it undermines structural integrity and necessitates costly repair or even collapse. In order to counteract this, the application of inhibitors for steel reinforcement is now a crucial method in extending the life of concrete structures. Steel reinforcement inhibitors are chemical substances introduced into the concrete or sprayed onto reinforcement bars to arrest or retard corrosion. Inhibitors operate by creating a passivation film over the steel surface, closing off the electrochemical reaction responsible for rusting. This passive layer protects the steel from chlorides, water, and oxygen—components essential for corrosion to take place. There are various ... Continue reading →

The corrosion of steel rebar is one of the standing issues that faces people in the construction industry. This is especially so in marine, coastal, and deicing salt areas. But if one part doesn't corrode, the whole thing does. Unless it is removed and another put in its place or other measure taken there will be further corrosion and concrete cancer will spread, to use a slang term. Ultimately there will be only one thing left – scrap metal. Sacrificial anodes in concrete, as one of the many protection strategies, have come to be known as a reliable and efficient way for reducing corrosion in reinforced concrete structures. It's this not-so-new that's made necessary precisely because of the surroundings of concrete construction. Sacrificial anodes in concrete are a prime example of galvanic protection. In this system, a more active metal (the sacrificial anode) is allowed to corrode rather than corroding of the embedded steel and it's pitting sites which make ... Continue reading →

The most common and destructive forms of corrosion of steel reinforcement are rusting in concrete structures. If left untreated, it often leads to cracking, spalling or even the structural failure of concrete itself. To combat the problem, mineral admixtures for rust prevention are increasingly being used in construction. These additives not only reduce corrosion, but also enhance the performance and lifetime of the concrete material itself. Admixtures for rust prevention are impetus power particles which are added to Portland cement while it is still in its wet state meaning that you mix these particles carefully into another medium designed especially for this purpose as soon after preparation as possible in order to avoid contamination with other components. They interact chemically with the calcium hydroxide formed during cement hydration (a by-product), forming additional silicate hydrate (C-S-H) gel. This reduces the permeability of concrete and stops moisture, chlorides and ... Continue reading →

Chennai is a pivotal region in India’s chemical industry owing to its burgeoning focus on specialty chemicals. These are high-value addressed performance chemicals designed for use in several sectors such as pharmaceuticals, agriculture, construction, automobiles, textiles, and electronics. There is rising demand for specialty chemicals from Chennai due to the developments in industries, robust infrastructure of the area, as well as, changed proximity to ports which enhance distribution activities.  Chennai specializes in other surfactants and epoxy esters used as sophisticated vision adhesives plasticizer which sets them apart from commodity based chemicals. As formulated during need based approach while substituting resin for emulsion throughout system undergoes pH change which enables them blend polypropylenes core-improved cycled stainable adhesive bonds providing advanced features ammonic amalgams thus enabling diverse applicability. With development industrial special ... Continue reading →

While concrete remains robust under compressive forces, it suffers from a lack of tensile strength and cracking resistance. In modern construction approaches, fiber-reinforced concrete additives have become widely useful. These modern additives are composed of different fiberglass strands, steel, glass, synthetic or natural fibers which are integrated into the already existing concrete blend to improve its mechanical properties and durability in civil engineering. Concrete mix with incorporated fibers helps create a matrix that is able to bear micro damage caused by shrinkage and temp changes along with other types of stress overloads. Fibers mitigate the risks of cracks formation due to shrinkage as well as temperature fluctuations while reinforcing various sections of the structure help in increasing overall puffiness makes enhances compressive strength while improving resiliency towards stresses. Steel fibers are among the most popular supplementary materials utilized in reinforced ... Continue reading →

Corrosion is an intrinsic process that aggressively impacts metal surfaces through chemical interactions with the environment, particularly involving air, water, and other contaminant particles. Failure due to corrosion results in structural damages along with financial losses and safety concerns across multiple industries. Here is when corrosion inhibitors come handy which are specialized chemicals designed to slow down or entirely halt the processes of corrosion alongside improving the life span and performance of the alloys. The alloy components are treated with these special chemicals in industries like oil and gas, construction, automotive, marine as well as water bodies. These chemicals act either by forming a protective film over metals layering shielding them against further degradation or altering the corrosive medium to lessen its potency to erode metals. Based off on how they act, corrosion inhibitors can be socialite anodic, cathodic, mixed-kind, or even volatile reaction ... Continue reading →

An emerging market for paints and coatings chemicals is witnessed in Chennai because of the sheer need to surface protect and provide high decor finishes for works. The city’s transformation into an epicenter for heavy industries and construction accelerates the requirement for more sophisticated chemical engineering formulations that are durable, weather resistant whilst encompassing good aesthetic value. The use of paint and coating chemicals help retain structures from a variety of residential buildings to commercial infrastructures and even industrial facilities. Chennai Paint & Coating offers it's users advanced resins, pigments, solvents to create decorative paints, industrial marine coats, automotive finishes as well as protective layers needed for metals or concrete. As with any other specialty formulation these technology used reeks too have dispersing agents and hardeners alongside specialty additives predetermined which the types created in result. Binders or ... Continue reading →

Construction practices today utilize anti-corrosive agents for concrete in order to protect and prolong the reinforced structures' lifespan. The embedded steel reinforcement corrosion poses a threat to structural sturdiness, especially with concrete serving as a primary material used in bridges, buildings, dams and marine structures. Anti-corrosive agents are specialized additives meant to safeguard steel from corrosion due to harsh environmental factors such as moisture, chlorides or carbonated air. Concrete anti-corrosive agents work by significantly slowing down the start and advancement of corrosive processes around the reinforcing bars. Consisting of two actions which create an impermeable barrier on the surfaces of the bars which sustains high pH environment needed to negate rust or neutralize aggressive ions such as chlorides that breaks passive layer formed on steel surface. Employing these extra concrete features helps stave off premature damage, less expensive repairs, ... Continue reading →

Metals are used in construction and automotive parts. In these industries, metals are needed to be weather-proof. Equally important is the prevention of internal rust build-up corrosion. Defending metals from such degradation disorder within bilateral trust prevention aids means additives specifically constructed for metallic tools and devices usable in industry sectors. These oxidation-preventing chemicals desperately needed to be used catalytically alter critical functionality in changing environmental conditions. Applicable fields using this class of additives include coatings, lubricants, coolants, embedded steel concrete works, also protect other machinery parts susceptible to corrosion. Their main focus originally geared formulating barrier-forming cover shield repelling H2O elements erase enhancing pH levels—chloride acid gases while metals enrich oxygen levels or rust-inhibitors flow from below priming action channeling addition ozone flow increasing their vital ... Continue reading →

Reinforced concrete is the foundation of contemporary infrastructure, marrying the compressive strength of concrete with the tensile resistance of steel. Yet, durability for reinforced structures is generally compromised by corrosion of the embedded steel bars. This renders reinforcement corrosion protection an essential element of construction design and maintenance. Without proper protection, corrosion can undermine structural integrity, cause safety issues, and escalate repair and rehabilitation costs. Steel reinforcement corrodes mainly because of moisture entry, oxygen, chlorides (from sea or de-icing salts), or carbonation which decreases alkalinity in concrete. These intruders destroy the steel surface's passive oxide film, leading to corrosion. Steel expands to six times its original volume when it corrodes, spalling and cracking surrounding concrete. This not only deteriorates the structure but also speeds up additional corrosion. Hence, corrosion protection of ... Continue reading →

In modern construction, the demand for long-lasting and resilient concrete structures is higher than ever. One of the most effective ways to meet this demand is through the use of chemical additives for concrete durability. These additives, also known as admixtures, are essential for improving the long-term performance of concrete, especially in harsh environmental conditions such as coastal regions, industrial zones, or areas exposed to freeze-thaw cycles. Chemical additives for concrete durability are introduced during the mixing process in precise quantities to modify and enhance specific properties of concrete. They do not replace the traditional components—cement, water, aggregates—but work alongside them to improve overall performance. The primary objective is to make concrete more resistant to physical, chemical, and environmental degradation. One of the most widely used types of chemical additives is the water-reducing admixture. By reducing the amount of water ... Continue reading →

Reinforcement corrosion protection illustrates the advanced safeguards put in place in modern construction to mitigate the deterioration of steel within concrete structures. Concrete is reinforced extensively across infrastructure such as buildings, bridges, tunnels, dams, and marine structures. Nevertheless, embedded steel reinforcements are susceptible to corrosion over time, particularly when subjected to harsh environmental conditions such as moisture, chlorides, and carbonation. This weakening results in cracking, spelling, and loss of structural integrity. To combat this adversity during both construction and maintenance phases, reinforcement corrosion protection strategies enable greater durability and extended service life for concrete structures. Corrosion of reinforcement occurs from an electrochemical reaction involving water-oxygen interaction with chlorides or carbon dioxide. Steel typically enjoys protection due to a passive environment provided by concrete which ... Continue reading →

The modern practices of construction have embraced chemical additives for concrete due to their ability to enhance performance in relation to a multitude of conditions and factors as well as improve service life. Moisture ingress, freeze-thaw cycles, chloride attack, carbonation, and various chemicals can all pose a threat to traditional concrete’s industry appreciated strength. To take full advantage of conventional concrete, building engineers need to make use of chemical additives that ensure durability. Admixtures or Chemical Additives are alterations made at the mixing stage in minute quantities which affects the properties of concrete. Admixtures do not substitute cement or aggregates and rather complement them by improving workability, strength, impermeability and resistance to environmental degradation. Chemical additives for concrete durability are especially critical when aiming for longevity in resilience devoid of external factors. Each category of chemical additives ... Continue reading →