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no more yamato 1/48 yellowish


CHAVAKAISER

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Hmmmm.... most dishwasher detergents use bleach in them. Vanish looks like it contains hydrogen peroxide as opposed to bleach; somewhere b/w 5-15%. Standard antiseptic hydrogen peroxide is around 3% ... so you may be able to use it and water and get the same affect. I wonder if you could make a paste with baking soda and hydrogen peroxide (and a little vinegar) and if it would work since people use it for teeth whitening.

Edited by jodokast
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Wow the final result is really great! Congratulations! Would you be so kind to tell me what is the main ingredient of "Vanish"? I live in Italy and i doubt i will find that exact brand of soap. So i will have to look for something similar which has a similar composition. My max 1/48 vf-1a would be really grateful to you!

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Hola CHAVAKAISER, dime como hacerlo, pues tengo varios 1/48 que se me están amarillentando. a lo que he entendido los sumerges por 5 días en vanish, ¿lo combinas con agua, que medidas aprox.? y otra pregunta: ¿no se descoloran los otros colores?

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Great results but wouldn't any chemical application physically attack the plastic and accelerate the degradation process a bit quicker than normal?

Most plastics, even in toys have some kind of preservative added which this stuff would eat away. On the surface at least. I did some work many years ago in a plastics and resin injection molding factory and remember them adding something into the mix..

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This is like deja vu all over again. I thought this made your toys re yellow at a super fast rate. Maybe the ingredients are different?

I think that's why EXO and Loop gave a little bit of warning on using these products. Before continuing the process to your VF-1J, try to check first on the first Valk you cleaned and see if any discoloration or any degrading will happen after a week, a month, or a year. Just to be on the safe side. Since this process has been done by the other members before. Just a precaution. ;)

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I think that's why EXO and Loop gave a little bit of warning on using these products. Before continuing the process to your VF-1J, try to check first on the first Valk you cleaned and see if any discoloration or any degrading will happen after a week, a month, or a year. Just to be on the safe side. Since this process has been done by the other members before. Just a precaution. ;)

Mmm ok bro but!!

Nothing lasts forever! ;)

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  • 2 weeks later...

Mmm ok bro but!!

Nothing lasts forever! ;)

Yeah, nothing lasts forever but I have my Takatoku 1/300 SDF-1 still white after 35 years. I think it will stay white before I die. The whitening treatment only lasts for another year or less if not keeping the toy in a dark temp controlled room.
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  • 3 weeks later...
  • 1 month later...

A long time ago I decided I was going to enjoy my 1/48 Valk. Yellowing be damned. I've had it on display in my Detolf for years. I did make a point of placing my case in a corner away from direct sunlight. Still over time I have recently started to see some yellowing. I think I'm going to do this treatment and retire it back into its box and keep it in my closet. I think I'll just place some more common toys in my case from now on. I've sort had a change of heart regarding displaying my favorite toys.

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Hydrogen Peroxide works, but you need to use a sealant to "lock-in" the new found whiteness, else the effect will be temporary. The peroxide causes minute cavities and this means a larger surface area, and the net result is faster and angrier yellowing if no sealant is used. Exposed diecast and metals would have a reaction to the peroxide too.

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