The best battery acid resistant film coating depends on your facility's battery charging operation, expected acid exposure, and long-term maintenance goals. In most industrial battery charging areas, the system consists of a battery acid-resistant novolac epoxy floor protected by a sacrificial polyethylene film. Several manufacturers produce these specialized films, each designed to provide an additional layer of protection against sulfuric battery acid while extending the life of the flooring beneath.
Facilities with dedicated forklift battery charging stations often benefit from this type of system because the replaceable film helps protect the underlying epoxy from repeated acid exposure.
What Is a Battery Acid Resistant Film Coating?
Despite the name, a battery acid resistant film coating is not simply another floor coating.
Instead, it is a specialized polyethylene film that is installed over a cured battery acid-resistant novolac epoxy floor using an acrylic pressure-sensitive adhesive. The film becomes the sacrificial wear surface, helping prevent battery acid from directly contacting the epoxy beneath it.
When the film eventually reaches the end of its service life, it can often be replaced without removing the underlying novolac epoxy, reducing maintenance costs and downtime.
What Are the Best Battery Acid Resistant Film Brands?
Several manufacturers produce industrial films designed for chemical-resistant applications. Depending on the project requirements, commonly specified products include:
3M™ Chemical-Resistant Protective Films
3M manufactures high-performance protective films used in demanding industrial environments. Certain products are suitable for battery charging applications where chemical resistance and long-term durability are required.
Adhesive Flexible Products (AFP)
AFP manufactures specialty industrial films and adhesive-backed protective systems designed for harsh industrial environments. Their battery acid-resistant film systems are commonly specified as sacrificial protection over novolac epoxy flooring in dedicated battery charging areas.
Other Engineered Polyethylene Film Systems
Some flooring systems utilize custom-engineered polyethylene films selected specifically for the facility's operating conditions. The appropriate product depends on the type of batteries, expected sulfuric acid exposure, traffic levels, and maintenance procedures.
Why Is Novolac Epoxy Still Required?
The film alone is not designed to replace a chemical-resistant flooring system.
Instead, it works together with a battery acid-resistant novolac epoxy coating. The epoxy protects the concrete slab from chemical attack, while the sacrificial film protects the epoxy from repeated acid exposure.
This layered approach helps maximize the life of the flooring system while simplifying future maintenance.
How Do You Choose the Right System?
Choosing the best battery acid resistant film coating involves more than selecting a film manufacturer. Factors that should be evaluated include:
- The type of batteries being charged
- The expected frequency of sulfuric acid exposure
- Battery charging layout
- Equipment and forklift traffic
- Cleaning procedures
- Long-term maintenance goals
Because every facility operates differently, the best system should be selected based on the specific operating environment rather than using a one-size-fits-all approach.
Final Thoughts
The best battery acid resistant film coating is one that works as part of a complete flooring system. A battery acid-resistant novolac epoxy floor combined with a sacrificial polyethylene film can provide an additional level of protection in battery charging areas while making future maintenance easier and helping extend the life of the flooring system.
To learn whether your facility could benefit from this specialized flooring system, read our next article: "Do You Need Battery Acid Resistant Film Coating? Signs Your Facility's Flooring Does."
