
Preserving signatures is a delicate task, especially when the signature is on plastic. Signatures on plastic are prone to fading, and restoration is not a common practice due to ethical concerns. Therefore, it is crucial to take preventive measures to protect the signature and ensure it remains intact. Here are some suggestions on how to preserve a signature on plastic and other surfaces.
| Characteristics | Values |
|---|---|
| Handling | Avoid touching the signature until the ink has dried completely. |
| Storage | Store autographs in a dark place, away from direct sunlight and artificial light. |
| Framing | Use UV-protective glass or film to protect from UV rays. |
| Mounting | Provide an appropriate mount to prevent adhesion to the glass. |
| Restoration | Avoid restoration as it may decrease the importance of the autograph. |
| Temperature and humidity | Store in a controlled environment with relative humidity (around 40%) and medium temperature (around 20 degrees celsius). |
| Cleaning | Gently clean away any toxic particles before framing. |
| Coating | Avoid using adhesives, sprays, or varnishes as they may react with the ink and cause damage. |
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What You'll Learn

Avoid touching the signature
If you are planning to frame the autograph, do not place it in direct sunlight as the UV rays will cause the signature to fade and discolour. If you are framing your autograph, ensure that the glass has UV protection, as sunlight and artificial light will cause deterioration. Even a couple of hours of sunlight can cause significant deterioration. If you are storing your autograph, make sure it is stored away from light.
If the signature is on a piece of clothing, you can use an iron to preserve the signature. Set your iron to the cotton setting and ensure there is no steam. Press the iron onto the signature for a few seconds, but do not slide it across as this may smudge the ink. Then, place the clothing in the tumble dryer and select a hot setting for around 15 minutes. If the clothing is made from a material that cannot be ironed, wash it in cold water and let it air-dry. If the item is leather, wipe a little resolene on the signature with a soft sponge after washing.
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Keep it away from light
To preserve a signature on plastic, it is important to keep it away from light. Sunlight contains harmful UV rays that can damage plastic molecules, causing colour fading and material breakdown. Even a few hours of sunlight a day can cause significant deterioration to autographs, and artificial light can also cause fading, particularly fluorescent lighting. Therefore, it is best to store signed plastic items in a dark spot, away from direct sunlight and artificial light sources.
If the signature is on a plastic item that is regularly exposed to sunlight, such as a car interior, you can use a windshield sunshade to protect it from direct UV rays. Alternatively, consider parking in covered areas to minimise sun exposure.
If the plastic item needs to be displayed or stored in a lit area, ensure that the lighting is not fluorescent and that the item is not in direct light. You can also look into using UV-protective glass to shield the signature from light damage.
In addition to light exposure, other factors can contribute to plastic fading. Oxidation, for example, can cause plastic to wear down and develop a rough texture. This can be removed with sandpaper, vinegar, or a bleach solution. Discolouration can also occur due to the use of certain chemicals in the production of plastic, such as bromine, which can be reversed with hydrogen peroxide.
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Use UV-protective glass
When it comes to preserving signatures, light is a key factor to consider. The sun's natural light contains harmful ultraviolet (UV) rays that can interact with the colour molecules of the ink, causing it to fade and discolour. Even artificial lighting, such as fluorescent lights, can have a similar negative effect and accelerate the fading process.
To protect your signature from light-induced deterioration, using UV-protective glass is highly recommended. This type of glass acts as a shield, preventing UV rays from reaching and damaging the ink. It is important to note that regular glass can actually worsen the issue, as it can act as a magnifying glass, intensifying the impact of sunlight and artificial light.
When choosing UV-protective glass, it is worth considering the quality and clarity of the glass. TruView glass, for example, offers excellent clarity. Additionally, you may want to opt for thicker glass, as it provides better protection and is less susceptible to shattering. To further enhance the protection, consider using a UV-protective spray, such as the one offered by Krylon, in conjunction with the UV-protective glass. This combination will provide an even higher level of defence against light damage.
While UV-protective glass offers significant benefits, it is important to manage your expectations. No glass can offer 100% protection, and even with UV protection, some deterioration may still occur over time. However, by using UV-protective glass and keeping your signature away from direct sunlight and high indirect light, you can significantly increase the likelihood of preserving it for a much longer period.
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Store in a controlled environment
To preserve a signature on plastic, it is important to store it in a controlled environment. This means keeping the autograph away from direct sources of light, especially sunlight, as UV rays will cause the ink to fade and discolour. Even a couple of hours of sunlight a day can cause significant deterioration, so it is best to display your autograph collection in a room that does not receive much sunlight.
If you wish to display your autograph, it is recommended to protect it by storing it in a frame or case with UV-protective glass or by using UV-protective spray. Regular glass can act as a magnifying glass, increasing the damaging effects of sunlight and artificial light, so it is important to ensure any glass used is UV-protective.
Additionally, the temperature and humidity of the storage environment are important factors in preserving autographs. A relative humidity of around 40% and a medium temperature of approximately 20 degrees Celsius are ideal conditions to maintain.
It is also worth noting that, while some sources suggest using sprays or varnishes to preserve autographs, others advise against it, as these substances can react negatively with the ink and cause damage. Therefore, it may be best to avoid using any adhesives, sprays, or varnishes on your autograph.
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Avoid adhesives/sprays/varnishes
It is important to note that the application of adhesives, sprays, or varnishes to a signature on plastic may do more harm than good. Adhesives, for instance, can peel off and damage the signature in the process. Modge Podge, a product similar to Elmer's glue, is not recommended for preserving signatures on plastic.
Sprays and varnishes, on the other hand, can interact with the autograph ink and have devastating effects. Shellac, a type of varnish, tends to turn yellow and crack over time, detracting from the signature's value. Other varnishes may react with the ink and cause discolouration or other damage.
Additionally, sprays and varnishes may not be suitable for the plastic surface. For instance, if the signature is on a plastic lid, a standard clear coat spray paint may not be the best option.
It is always a good idea to test any product on a similar surface before applying it to the signature. This will help determine if the product will interact negatively with the ink or the plastic surface.
Instead of using adhesives, sprays, or varnishes, it is recommended to store the signed plastic item in a dark spot away from light. Plastic is not an ideal medium for signatures as they may naturally begin to fade. However, keeping them out of direct sunlight and artificial light can help slow down the fading process.
If you wish to display the signed plastic item, consider framing it behind UV-protective glass to protect it from sunlight and artificial light.
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Frequently asked questions
It is recommended to keep the item away from direct sunlight and artificial light to avoid fading. If you wish to frame the item, use UV-protective glass to avoid deterioration. Avoid using adhesives, sprays, or varnishes as these may damage the signature.
Firstly, let the ink dry fully. Then, use an iron on the cotton setting and ensure there is no steam. Press the iron onto the signature without sliding it. Put the clothing in the tumble dryer and select a hot setting for around 15 minutes.
Display your collection in a room that does not receive a lot of sunlight. Store your autographs in a UV-protective glass case or frame.
Avoid touching the signature, especially before it has dried. Do not use standard glass to frame your autographs as sunlight and artificial light can cause significant deterioration.





































