[pure-silver] Re: Cleaning picture frame glass
- From: "Ralph W. Lambrecht" <info@xxxxxxxxxxxxxxxx>
- To: PureSilverNew <pure-silver@xxxxxxxxxxxxx>
- Date: Wed, 19 Apr 2006 09:10:24 +0200
Maybe, but different polymers. AFAIK, RC is made with polyethylene, the fog
on the inside of windscreens comes from the 'softeners' in the air ducts,
which are mostly made from polypropylene these days. PP is cheaper than PE.
Regards
Ralph W. Lambrecht
http://www.darkroomagic.com
On 2006-04-19 01:17, "john stockdale" <j.sto@xxxxxxxxxxx> wrote:
> If RC paper is showing more, maybe it (or at least part of it)
> is something like the polymer fallout that causes the interior surface of
> car windscreens to get a film on them. It's the plastic in the car
> breaking down.
>
> At 07:27 AM 19/04/2006, you wrote:
>> I agree. Here is a list of the materials used:
>>
>> 0. Fome-Cor backing board
>> 1. Colormount 100% cotton rag-board
>> 2. Seal Colormount dry-mounting tissue
>> 3. Ilford MG-IV FB or Kodak PolymaxII RC
>> 4. Typical processing-chemical residue, still in the print fibers
>> 5. The glass cleaner
>>
>> My guess is now on 3 and some 4, because the MG-IV FB showed far less (but
>> still some) than PolymaxII RC.
>>
>>
>>
>>
>>
>> Regards
>>
>>
>>
>> Ralph W. Lambrecht
>>
>> http://www.darkroomagic.com
>>
>
>
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