[Jukebox-list] Re: Shrinking Plastic

[Dicecco, Michael]

Mike, thanks for your note. I'm willing to try the bleach approach on my
W500 inner plastics. 

Did you use the bleach full strenght, or did you dilute it a bit?

Thanks 

-----Original Message-----
From: jukebox-list-bounces at lists.netlojix.com
[mailto:jukebox-list-bounces at lists.netlojix.com] On Behalf Of mike
Sent: 2007, November, 21 5:10 PM
To: Jukebox mailing list
Subject: Re: [Jukebox-list] Re: Shrinking Plastic

Ditto that on my W800. The catalin pilasters on mine were as brown as
the veneer. I was about to embark on the task of wet sanding and
polishing them when I mentioned it to Mike Hanlon on the phone one day.
He recommended bleaching them instead. I did just that using a low grade
laundry bleach in a 5gal bucket. It made an amazing difference in about
an hour as I recall. I did have to rotate them to get an even color as
my main pilasters were a bit taller than the bucket.

There was a little clean up afterwards as the process left a slippery
film on them that required some labor cleaning them. Once done, a little
plastic polish and they looked like new. Not ivory white, but more of a
cream colored off-white. Well I have had that 800 for few years now and
the plastics have darkened (or yellowed is a better description). Our
home is smoke free except whem my better half burns something in the
oven!

The bleach didnt seem to yield the same resuilts on the red or green
marbelized plastics but the results for the upper and main pilasters was
extraordiary.

MRT


----- Original Message -----
From: "etreble7" <etreble7 at verizon.net>
To: "Jukebox mailing list" <jukebox-list at lists.netlojix.com>
Sent: Wednesday, November 21, 2007 7:04 AM
Subject: Re: [Jukebox-list] Re: Shrinking Plastic


> Ron,
> that's a great short......keep them coming. it's fun.
> Jackie
>
>
> ----- Original Message ----- 
> From: "Ron Rich" <ronnnrich at yahoo.com>
> To: "Jukebox mailing list" <jukebox-list at lists.netlojix.com>
> Sent: Tuesday, November 20, 2007 5:35 PM
> Subject: Re: [Jukebox-list] Re: Shrinking Plastic
>
>
>> Speaking of "shrinking plastics" reminds me of one night (years ago)
when 
>> I was doing "emergency night/weekend repair service" on jukes in San 
>> Francisco. Got a call from a bar, on Friday night, and the owner said

>> that the juke "won't play anything". When I got there, I saw that it
was 
>> a 3400 Wurlitzer. I also noticed that the illumination looked odd. I 
>> opened the machine and saw that someone had suspended a 150 watt 
>> incandescent lamp in the center of the record basket.  Needless to
say, 
>> all of the records had "melted" and were stuck to the
separators--which 
>> were also partly melted, as was some of the title board. I looked at
the 
>> owner of the bar, and asked him how long ago did someone install this

>> lamp--he said  I put it in just a couple of hours ago, I didn't want
to 
>> "bother" you guys with changing a lamp tonight.  The operator that
owned 
>> it, changed the juke on Monday. Ron Rich
>>
>> dirksenj at bellsouth.net wrote:   Plastics and molding techniques today
are 
>> much better, but all plastic
>> shrinks. Plastic continues to shrink throughout it's lifetime,
although 
>> 99%
>> of shrinkage occurs within 20 minutes of de-molding. Because of this,

>> molds
>> have to be built "bigger" than the actual plastic part size so it
will
>> shrink down to the right size. This is partly to blame for the 
>> poor-fitting
>> repro plastics - I would imagine molds are made from good originals,
and 
>> the
>> repros have shrunk down even more from there. Most plastic will
shrink 4 
>> to
>> 5 thou per inch (some less, some 4 times this), so depending on the
type
>> plastic used and length of the part, you can have shrinkage of 1/8
inch 
>> or
>> more. Combine this with differences in cabinets (I would bet they
have
>> swelled or warped over the years too) and you can see it would be 
>> difficult
>> to reproduce plastics that fit perfectly. Even though I'm aware of
this, 
>> I
>> too have cursed installing these plastics.
>>
>> Heat and UV light are the enemy (some chemicals too), so keep the
juke
>> turned off when not in use and keep it away from the windows.
>>
>> Jim "I'm no expert but do work in the plastic injection molding
business"
>> Dirksen
>> ----- Original Message ----- 
>> From: "Ron Rich"
>> To: "Jukebox mailing list"
>> Sent: Tuesday, November 20, 2007 3:55 PM
>> Subject: Re: [Jukebox-list] Re: Shrinking Plastic
>>
>>
>>> Kyle,
>>> Got news for you youngen--they do NOT "hold up"--Least the ones that
I
>>> have replaced--
>>> Ron Rich
>>>
>>> "Mechanical Music of S.F." wrote:
>>>
>>> Ron.
>>> You old.
>>> The modern plastics should hold up much better. The formulas are
much
>>> different. The old stuff
>>> was literally vegetable proteins and polymers.
>>>
>>> Kyle ~
>>> Mechanical Music of San Francisco
>>> _________________________________________________________________
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Join
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>>
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