Generally, premium films like thermoplastic polyurethane (TPU) boast impressive scratch and scuff resistance, promising to keep your watch pristine. However, even the most resilient materials can succumb to discolouration when they are subjected to the wrong conditions. Understanding the ‘why’ behind this dilemma is crucial to prevention.
What goes wrong, and what to do
Several factors can contribute to protection films gaining colour and losing their near-invisibility:
Material quality
The film’s material quality may be to blame for its changing colour. When you buy protection films made from substandard materials, you invite discolouration (not to mention that low quality materials put your watch at greater risk of damage). Films made with impurities or low-quality materials are more likely to change colour over time.
Choose wisely! Get watch protection films from reputable brands known for using high-quality, discolouration-resistant materials. This ensures durability and longevity for your film.
Extended sun exposure and temperature extremes
Exposure to the sun’s ultraviolet (UV) rays is a common culprit behind the fading or yellowing of watch films. Prolonged exposure to sunlight can accelerate the discolouration process and may also degrade other watch materials.
Extreme temperatures, both hot and cold, can expedite the discolouration process of protective films. High heat, such as that experienced in saunas or on hot car dashboards, can adversely affect the film’s colour and degrade its quality. Similarly, exposure to freezing temperatures can also and impact its quality and appearance.
Store smart! Shield your watch from direct sunlight and excessive heat, as these can accelerate the discolouration process. Store your timepiece in a cool, shaded area to maintain its pristine appearance.
Chemical exposure
The everyday chemicals we encounter, from harsh cleaning products to perfumes and bodily fluids, pose a significant threat to protection film integrity. These chemicals can interact with the film’s composition, causing it to degrade and discolour over time.
Clean it right! Avoid exposing your watch to anything other than gentle detergent and fresh water. After a sweaty workout or exposure to other fluids, give it a rinse with fresh water. When cleaning, gently brush away dirt and grime with a soft-bristled brush dipped in mild dish soap. Ensure thorough cleaning and carefully maintain the film’s adhesive properties by rinsing carefully and avoiding lifting its edges.
Exposure to pigments
Surprisingly, even the storage of your watch can contribute to film discolouration, particularly if the watch storage unit is constructed of low quality non-colourfast materials. Pigments used in watch boxes have the potential to transfer onto the film’s surface, altering its colour. Additionally, certain fabrics, particularly those with vibrant dyes, can transfer colour onto the film when in direct contact. This colour transfer can result in unsightly stains or discolouration on the film’s surface.
Choose neutral colours and colourfast pigments. Neutral-toned high-quality boxes minimise the likelihood of colour transferring onto your watch protection film, preserving its pristine appearance. And, when it comes to clothing fabrics, be aware that certain fabrics can transfer dyes onto the film, causing unwanted discolouration. Choose clothing wisely to protect your watch.
Compatibility issues
Using films that are not specifically designed for your watch model can create compatibility issues that may trap moisture underneath the film. This trapped moisture provides an ideal environment for microbial growth and chemical reactions, leading to discolouration over time.
Get the precise film for your model. Opt for a protection film specifically designed for your watch model to ensure total compatibility, preventing moisture retention and degradation of the film. Taking a tailored approach minimises the risk of discolouration and maintains the integrity of your timepiece.
Keeping your protective film clean & clear
Discolouration can be frustrating, but there are many preventive measures you can take to greatly prolong the clarity and longevity of your watch protection film. Take proper care and make informed choices to keep your timepiece sparkling—just like the moment you first brought it home.