Chromate-free pretreatment coatings, a vital trend to boost sustainability in aerospace

10:11 AM, 12th January 2021
In what has come as a key booster, aviation industry is reaping rewards from pretreatment coatings to bolster the service life of aircraft components.

Development of a holistic solution for corrosion-related issues has led to technological advancements in pretreatment coatings. When it comes to boosting return on investment, anti-corrosive coatings, metalworking fluids and pre-paint conversion coatings are gaining grounds to boot industrial scale for real-time applications.

Legacy players are counting on pretreatment coatings—corrosion resistant coatings—and moving towards challenging quality standards amidst evolving customer demands for more sustainable products. These companies are at the forefront to deliver high-quality process solutions for various surface treatment applications, including aviation, automobiles, metal packaging and military.

Pretreatment technologies will enable the increased use of light metals while maintaining tremendous corrosion protection and minimizing sludge generation and heavy metals in the metal pretreatment process. A forecast predicts that global pretreatment coatings market size could surpass $15.5 billion by 2026 with regard to annual revenues.

Tailwinds of zinc phosphate

Consumption of aluminum in automotive manufacturing has boded well for OEMs and auto component manufacturers to reduce weight of vehicles while keeping up with the strength of frames and car bodies. So much so that zinc phosphate has gained traction to ensure less etching on aluminum and reduced amount of fluoride use.

Zinc phosphate technology has brought a paradigm shift in providing a high level of corrosion resistance and foundation for subsequent coating or painting. The substance has become a catalyst in producing a fine crystalline coating and has become compatible with a slew of solvent and water-based paints.

Aluminum pretreatment is here to stay

Aluminum pretreatment before paint has taken the construction and automotive industries by storm. With the significance of long-term corrosion protection and perfect adhesion for aluminum pretreatment, injection of funds in metal pretreatment will continue to rise in the next few years. Metal pretreatments will add value to OEM paint finishes and impart coatings which enhance corrosion performance and adhesion.

Automotive pretreatment coatings have apparently led to tremendous paint adhesion, superior corrosion protection, enhanced metal cleanliness and increased uniform metal appearance. With gas mileage and emission needs in North America soaring under the aegis of the CAFE standards, automakers have exhibited profound inclination towards lightweight materials.

Rigorous environmental regulations have streamlined the trend towards lightweight construction, while the use of metals in automotive has upped R&D activities based on pretreatment coatings. As such, eco-friendly process apt for multi-metal applications will become a common phenomenon across end-markets.

Aviation sector makes hay with chrome-free coatings

A notable focus towards chrome-free coil pretreatment and advanced specialty technologies are leveraging tremendous corrosion protection, exceptional paint adhesion and good metal forming. With aerospace industry rebounding following the COVID-19 headwinds, demand for components and parts which need coatings has surged drastically.

In what has come as a key booster, aviation industry is reaping rewards from pretreatment coatings to bolster the service life of aircraft components. While chromate-based coatings provide tremendous anti-corrosive properties, their potential danger to environment and human health have prompted stakeholders to vouch for chrome-free compounds.

Chromate-free coating systems for aerospace and military applications have become a topic of interest to stakeholders, including manufacturing companies, governments and organizations actively involved in the aerospace and military & defense sector for decades.

Prevalence of chrome-free coatings based on zirconium or titanium has proven to deliver corrosion resistant with increased process stability. Of late, companies are using chrome-free coatings via spray or immersion technologies to streamline low aluminum dissolution and automatic feeding.

Browse key industry insights spread across 330 pages with 406 market data tables and 14 figures & charts from the report, “Pretreatment Coatings market by product, end-use and application - regional outlook, growth potential, price trend, competitive market share & forecast by 2026” in detail along with the table of content:

Legacy players gear to stay ahead of the curve

In a bid to make aerospace industry more sustainable, AkzoNobel teamed up with Airbus in June 2019 to roll out a new chromate-free exterior primer. Along with being chromate-free, the novel product will apparently boost appearance, performance and application upsides.

Henkel had introduced cost-effective and sustainable surface treatment for aluminum processors. The company claims its new REACH compliant products for corrosion protection and etch passivation are chromate-free, thereby removing toxicity label and minimizing carbon footprint.

Chemetall has expanded its portfolio in the US by joining hands with Nexeo Solutions servicing the aerospace, military and defense industries. In the press release dated January 29, 2019, it was quoted that Nexeo would be providing major technologies, including surface treatments and corrosion inhibiting compounds. Besides, Chemetall would be streamlining its supply chain management to keep up with the demands of commercial and military markets.

Considering the surge in demand for aluminum parts in North America markets in automotive and construction, the region may be a viable investment hub. It is pertinent to note that aluminum surfaces are gearing to reduce the carbon footprint of their processes and products.

Steering the future of pretreatment coatings may well be metal coil industry as innovations at both downstream and upstream metal pretreatment are likely to witnessed in the near future. Not to mention, metal coil producers are playing an invaluable role to supply aluminum coils to the manufacturers of converters, batteries, transformers and shunt reactors.

Chromate-free coatings are well-positioned and will remain a vital cog in aviation and automotive industries. Eco-friendly pretreatment of metals will continue to boost the tailwinds as sustainability go from strength to strength in 2020s.

© Worldofchemicals News

Contact Info:

Arun Hegde
Corporate Sales, USA
Global Market Insights Inc.
Phone: 1-302-846-7766
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