How Guangdayuan’s PE Film Prevents Stainless Steel Corrosion in Coastal Southeast Asia
author: Shenzhen Guangda Yuan Film Co., Ltd.
2025-07-30
Stainless steel sheets deployed in Jakarta and Manila’s coastal construction sites face a formidable adversary in the form of salt-laden air. Without proper protection, these sheets begin to exhibit pitting corrosion within just three months. This rapid degradation forces builders to replace approximately 10% of the sheets, leading to a significant increase in project costs due to the additional expenses for materials, labor, and potential delays.
Guangdayuan’s specialized PE film for stainless steel provides an effective solution to this persistent problem. Crafted with advanced technology, the film creates an airtight seal around the stainless steel surface, blocking an impressive 99% of moisture ingress. This high level of protection is crucial in coastal environments where humidity and salt content in the air are constantly elevated.
One of the key features of this PE film is its exceptional elasticity. With a remarkable 400% elongation rate, it can stretch without breaking during the bending and welding processes that are common in stainless steel fabrication. This ensures that the film remains intact throughout the manufacturing and installation stages, continuing to safeguard the metal from corrosion.
The adhesive used in Guangdayuan’s PE film is engineered to maintain its stability even in challenging conditions. It remains firmly attached to the stainless steel surface in environments with up to 80% humidity, preventing edge lifting and ensuring consistent protection. This reliability gives builders and fabricators peace of mind, knowing that the film will stay in place and do its job effectively.
The effectiveness of Guangdayuan’s PE film has been proven in real-world applications. A shipyard in Batam, a major hub for maritime construction, reported zero corrosion on stainless steel sheets after six months of outdoor storage using our film. This outstanding result highlights the film’s long-lasting protective capabilities.
Understanding that different types of steel require different levels of adhesion, we offer tailored tack levels for our PE film. For cold-rolled steel, which often requires easy removal of the protective film after fabrication, we provide a 30g/in tack level. For hot-rolled steel, which demands a stronger hold due to its rougher surface and heavier handling, our film comes with a 60g/in tack level.
Our PE film has also passed rigorous 72-hour salt spray tests, a standard method for evaluating corrosion resistance. This certification confirms its suitability for coastal projects where exposure to saltwater and harsh weather is a daily reality. Supplied in convenient 100m rolls, the film reduces the frequency of reapplication, saving time and labor costs during large-scale construction projects.#PE film#
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