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From: AMuzi <am@yellowjersey.org>
Newsgroups: rec.bicycles.tech
Subject: Re: Grease and waxes
Date: Tue, 2 Jul 2024 07:42:44 -0500
Organization: Yellow Jersey, Ltd.
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On 7/2/2024 12:22 AM, James wrote:
> On 2/7/24 11:57, Frank Krygowski wrote:
>> On 7/1/2024 1:12 PM, Tom Kunich wrote:
>>> As usual the obvious candidates without a shred of 
>>> knowledge of chemistry told you all that I didn't know 
>>> what I was talking about when I said that Silca was 
>>> making a block that looked like Chocolate that converted 
>>> grease to wax.
>>>
>>> I have continued to be curious why people that know 
>>> nothing would say things about which they know nothing. 
>>> Grease and wax asr ONE chemical chain from being the same 
>>> thing. Where the hell do you get Candle Wax from - TALLOW 
>>> - which is animal fat. The lubricating grease on a new 
>>> chain (SRAM no longer put this grease on a chain) is 
>>> petroleum based but the chemistry is the same.
>>>
>>> And what would bring the usual noisome candidates to call 
>>> Silca liars because I reported their product?
>>
>> It's difficult to tell who or what you're talking about, 
>> given your usual total lack of citations, quotations, etc. 
>> I suspect it's more of your fantasies or hallucinations.
>>
>> But to discuss a matter of fact: "Where the hell do you 
>> get Candle Wax from - TALLOW - which is animal fat" has 
>> been wrong for normal commercial candles for well over 100 
>> years. See https://www.gregorylefever.com/pdfs/candle.pdf
>> or https://candles.org
>>
>> Some people still make or value tallow candles. Those are 
>> mostly the sorts of people who weave their own wool to 
>> make their own clothes, raise their own chickens, and tell 
>> time using only sundials. Heck, they probably use downtube 
>> friction shifters!
>>
> 
> 
> A mechanical engineer I worked for who's specialty is 
> monitoring machine vibrations for the purpose of predictive 
> or proactive maintenance, explained to me that lubricating 
> grease is made from a mix of a "soap" and oil, and is not a 
> blend of wax and oil.  Seems about right...
> 
> https://en.wikipedia.org/wiki/Grease_(lubricant)
> 

Yes that's right, usually using lithium or calcium based 
binders.
-- 
Andrew Muzi
am@yellowjersey.org
Open every day since 1 April, 1971