24245Re: [atm_free] Re: Coaters
- Nov 17, 2013For the record I once got back a mirror with a bad coating and a note
stating that the mirror was not fully polished. I knew the mirror was
well polished so I sent the mirror to another coater who returned me a
mirror looking beautiful from center to edge. Coating is an art, I
conclude, so I treat coater's comments as just that.
On 2013-11-17 11:03, Joe wrote:
> Are you sure the edge was polished all the way? That white haze
> looks exactly like my first mirror I ever made and sent to clausing
> for coating. It came back coated with a note saying not fully polished
> to the edge and it looked exactly like that.
> The Original Rolling Ball Clock
> Idle Tyme
> http://www.idle-tyme.com 
> On 11/17/2013 11:28 AM, Aldo Moraga wrote:
>> The mirror below has silver coating, as you can see the quality of
>> the reflective layer is quite good but has its problems especially at
>> the edges who are slightly whitish.
>> This is due to several reasons. I needed something more than 7 grams
>> of silver nitrate but only had 4 grams, instead of distilled water I
>> used water for lead acid battery and worse, the ambient temperature
>> was not adequate.
>> The process I did on a Saturday afternoon I had no where to buy the
>> products, I needed to see how the mirror worked and did not want to
>> wait till Monday.
>> If anyone wants a good quality reflective layer, then the chemicals
>> and water both must be of high quality and in the minimum amounts
>> needed, but despite this the finish of the mirror silver layer was
>> better than I expected.
>> Aldo Moraga Byers
>> http://sites.google.com/site/aldomoraga/ 
>  http://sites.google.com/site/aldomoraga/
>  http://www.idle-tyme.com
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