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Bowers and Wilkins Kevlar Age Discoloration, Restore?

The kevlar on my front speakers have discolored over time from factory yellow to gold. I’ve seen many that have gone completely orange. My center speaker was stored for years as was recently taken out of the box and is still yellow. Now I have a mismatch. Is there a way to restore / clean it to its original color without damaging it?

 

https://mega.nz/file/PJowCbQT#X5bHtPle2hVuE07bb0N0-J-3ss9qoJ05cu3YNCjjCFM

bartsw
bartsw's avatar
bartsw OP
234 posts
 

I was thinking it was UV. I'm just going to keep the cover on. I'd be curious to see what will eventually happen to the D3-D4 silver fabric.

testpilot
1,019 posts
 

I’m only speculating, but the silver colour on the D3/4 could be a coating on the Kevlar to protect it from uv rays. 

bartsw's avatar
bartsw OP
234 posts
 

The silver looks like just a decorative change. It would look nasty if it gets brown over time. It still feels the same but it's a thinner weave. There could be a coating but who knows. I'm thinking about buying either a spray or oil UV fabric protection.

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