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patangeinds
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Join Date: May 2013
Posts: 1

Black Stain Marks on Al Alloy Anodized Surface

05/25/2013 11:59 PM

How to remove firm black stain marks on Al alloy anodized surface without damaging anodizing on Al alloy surface?

Thanks in advance,

Patange Deepak

PUNE
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lyn
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Join Date: Oct 2008
Posts: 42355
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#1

Re: BLACK STAIN MARKS ON AL.ALLOY ANODISED SURFACE

05/26/2013 12:33 AM

Just erase them. Seriously, use a pencil eraser, gently.
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jack of all trades
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New Zealand - Member - Kiwi Popular Science - Weaponology - New Member Engineering Fields - Power Engineering - New Member Engineering Fields - Electrical Engineering - New Member

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#2
In reply to #1

Re: BLACK STAIN MARKS ON AL.ALLOY ANODISED SURFACE

05/26/2013 3:31 PM

What's a pencil?

Seriously, kids today with their smartphones and computers.

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 jack of all trades
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Shyam
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India - Member - Sensors Technology Popular Science - Cosmology - Dream, Think and Act United Kingdom - Member - New Member United States - Member - New Member Canada - Member - New Member

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Location: AM-51, Deen Dayal Nagar, Gwalior, Madhya Pradesh, MP 474001, India
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Good Answers: 32
#3

Re: Black Stain Marks on Al Alloy Anodized Surface

06/08/2013 6:16 PM

Perhaps polish the surface. I do this to Silver Anodized Aluminum.

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 Prof. (Dr.) Shyam, Managing Director for Sensors Technology Private Limited. Gwalior, MP474001, India.
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iandmcnc
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Join Date: Jun 2013
Location: Santa Clara, CA USA
Posts: 2
#4

Re: Black Stain Marks on Al Alloy Anodized Surface

06/16/2013 4:03 AM

Very light Scotch Brite sometime helps.
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