BS EN 4687:2021 Aerospace Series: Chromate Free Primer

Introducing the BS EN 4687:2021, a cutting-edge standard in the aerospace series that focuses on paints and varnishes. This document is a comprehensive guide to a chromate-free, non-corrosion inhibiting, two-component primer that cures at room temperature. Specifically designed for military applications, this primer is a testament to innovation and safety in aerospace coatings.

Key Features

• Chromate-Free: This primer is formulated without chromates, making it an environmentally friendly option that aligns with modern safety and health regulations.
• Non-Corrosion Inhibiting: While it does not inhibit corrosion, it serves as an excellent base layer for further protective coatings, ensuring the longevity and durability of aerospace components.
• Two-Component System: The primer consists of two components that, when mixed, provide a robust and reliable coating solution.
• Room Temperature Curing: Designed to cure at room temperature, this primer simplifies the application process and reduces energy consumption.
• Military Application: Tailored for military use, this primer meets the rigorous demands of defense applications, ensuring performance under extreme conditions.

Technical Specifications

Standard Number	BS EN 4687:2021
Pages	20
Release Date	2021-01-22
ISBN	978 0 539 15027 8
Status	Standard

Why Choose BS EN 4687:2021?

The aerospace industry demands the highest standards of safety, reliability, and performance. The BS EN 4687:2021 standard is crafted to meet these demands, offering a primer that is not only effective but also environmentally conscious. By eliminating chromates, this primer reduces the environmental impact and health risks associated with traditional primers, without compromising on quality or performance.

Moreover, the two-component system ensures a strong bond and excellent adhesion, providing a solid foundation for subsequent layers of paint or varnish. This makes it an ideal choice for aerospace manufacturers and maintenance teams looking to enhance the durability and appearance of their aircraft.

Applications

This primer is specifically designed for military applications, where the demands for performance and reliability are at their highest. It is suitable for use on a variety of substrates commonly found in aerospace environments, including metals and composites. Whether used in the construction of new aircraft or the maintenance of existing fleets, this primer provides a reliable solution that meets the stringent requirements of military standards.

Environmental and Safety Considerations

In today's world, environmental responsibility is more important than ever. The BS EN 4687:2021 standard addresses this by providing a primer that is free from harmful chromates. This not only reduces the environmental footprint of aerospace operations but also enhances the safety of workers who apply these coatings. By choosing this primer, organizations can demonstrate their commitment to sustainability and worker safety.

Conclusion

The BS EN 4687:2021 Aerospace Series primer is a state-of-the-art solution for those in the aerospace industry seeking a high-performance, environmentally friendly coating option. With its chromate-free formulation, two-component system, and suitability for military applications, it stands out as a premier choice for aerospace coatings. Embrace the future of aerospace coatings with this innovative primer that combines safety, performance, and environmental responsibility.

BS EN 4687:2021

This standard BS EN 4687:2021 Aerospace series. Paints and varnishes. Chromate free (non corrosion inhibiting) two-components room temperature curing primer. Chromate free primer for military application is classified in these ICS categories:

• 49.040 Coatings and related processes used in aerospace industry

This document defines the requirements for a two-components, chromate and lead-free primer.

The coating applies to fibre reinforced composite materials, titanium and corrosion resistant steels and other suitably prepared corrosion resistant substrates.