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Any idea why Mercury used styrene instead of vinyl?

----- Original Message ----- 
From: "Michael Biel" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, November 30, 2009 6:45 PM
Subject: Re: [ARSCLIST] Pressing Haze: Help Needed


> Aaron Levinson wrote:
>> Don-
>>
>> You are suggesting that one pass with a very worn stylus produced this 
>> kind of greying? That seems kind of hard to fathom 
> 
> Not if this is a styrene pressing rather than vinyl.  I have seen 
> microgroove styrene pressings absolutely shredded when played by a 78 
> stylus or a stylus with a sharp facet.  You haven't told us if this 
> pressing is vinyl or styrene. 
> 
>> considering all
>> the other anecdotal evidence that suggests that Mercury and Emarcy 
>> seem to exhibit this "record cancer" when almost no other labels do?
> 
> Funny thing is that many early Mercury and Emarcy pressings are styrene 
> when practically none others were.  A few Harmony and many Gold/Silver 
> Crest LPs are also styrene, and Decca was using a slightly different 
> type of styrene in the late 50s.  Most Columbia 45s were styrene.  
> Back-cueing  them by DJs can kill the first seconds of these. 
> 
> 
>> I have seen many records that have been played by a worn stylus and 
>> are greying but none that I have ever seen, stop so abruptly as this 
>> record does.
>>
>> AA
>>
>>
> 
> Since most microgroove records are vinyl, I would expect that this would 
> be almost everybody's experience.  But I have seen it happen.
> 
> Mike Biel  [log in to unmask]
> 
>> Don Chichester wrote:
>>>  
>>> In a message dated 11/30/2009 5:12:06 P.M. Eastern Standard Time,  
>>> [log in to unmask] writes:
>>>
>>> Mike  Gray wrote:
>>>  
>>>> Played with a *very* worn stylus that's damaged the groove  -
>>>> Groove wear is a potential culprit Mike but in this case it can be  
>>>> conclusively ruled out. This haze stops dead two thirds of the way  
>>>> through track 2 only on the first side. The worn stylus theory is  
>>>> simply not an option with a condition like this. I think it is far  
>>>> more likely to be some kind of mold, storage and/or pressing  defect.
>>>>     
>>>
>>> AA
>>>
>>>
>>>
>>> My experience is that this exactly the cause of the haze.  The 
>>> former  owner played the record two-thirds of the way through track 
>>> two--then noticed  the wear and lifted the stylus at that point.
>>>  
>>> Don Chichester
>>>
>>>   
>>
>>
>