Has anyone "Re-Cleared" Plastic Headlight lenses???

I had always just polish them up , I use Blackfire Wed Diamond on them. Before I use Opti-Seal on them.
 
Mr. Clean said:
What about applying a 3M (or similar) clear vinyl material? I know the claims of impact protection, I wonder about protection against oxidation.
Click to expand...

I'm thinking that, if the clear vinyl is an air-tight seal, it would keep out oxidation/pitting/yellowing, although I have no evidence of this.

For now, I think I'm just going to keep them coated in sealant every month or two. It just takes a couple minutes to do them!:D
 
[I'm thinking that, if the clear vinyl is an air-tight seal, it would keep out oxidation/pitting/yellowing, although I have no evidence of this.]

Ultra violet radiation degredation comes from UV light penetration, so an air-tight seal won't help

Before UV light can cause harm, it must first be absorbed. If it is not turned into heat or transferred to a nearby stabilizer molecule called a quencher, it breaks weak chemical bonds. This is the beginning of UV damage; some materials absorb UV light more readily than other materials. Materials that readily absorb UV light are quickly damaged...rubber, vinyl, gel coat fibreglass, and many other plastics.

For UV protection use 303 Space Protectant


Headlight Protection
Acrylic is slow to absorb UV light and accordingly very resistant to photo degradation. Protect your expensive headlamps, before it's too late. LampGard?, an incredibly tough 40 mil thick, double-polished urethane material that is optically clear and applies (peel & stick) directly to the surface. This product has built-in ultraviolet inhibitors that help prevent the material from drying, hardening or discolouring. We custom die-cut to fit your specific vehicle for a precise, perfect fit, it comes with easy-to-follow instructions and applies to headlamps, fog lamps, turn indicators and parking lights (when applicable) to protect them from scratching, cracking and pitting. LampGard?



An extract from one of a series of in-depth detailing articles ? TOGWT ? Ltd Copyright 2002-2008, all rights reserved ​
 
TOGWT, OK information shared...but what did you say? :huh:

303?

LampGuard, isn't that just another "branding" for a 3M "type" film? It just comes pre-cut?
 
Funny, I just had a conversation with a guy today at a performance shop in Tampa. He said that a clear film would not stop the lens from turning yellow. I would love to see if that is the case. He told me that his "detailer" has a special wax that protects the lens for 2 years. Not sure if I buy that. I used wet diamond on my G35 headlights and in about a month they started to turn yellow again. I would love to know what that special wax is. The Black Barron kit from CMA does a very good job by the way. The spray that removes the yellowness on the lens is a hugh improvement with just that step. I think that I still have some pictures when I did my G if anyone wants to see them.
 
Acrylic is slow to absorb UV light and accordingly very resistant to photo degradation.

UV protection is a sacrificial element that needs to be periodically renewed, IMO an acrylic lamp protection and 303 Space Protectant would serve as both a physical and provide UV protection
 
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