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A quality aluminium alloy (for Myford castings) PRIMER?

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choochoo_baloo13/02/2018 02:09:02
146 forum posts
18 photos

From chatting to an experienced vintage vehicle restorer, I’ve learnt that it’s difficult to get a good primer/key on aluminium alloys.

As I want to repaint some castings from a Myford ML7, and whilst I know it’s not pure aluminium but some strange aluminium based alloy, please can others recommend primers for painting such alloys - surely there must be a reasonably straightforward process or product to get an excellent key?

Chris Trice13/02/2018 03:16:26
975 forum posts
2 photos

Try a supplier to vehicle refinishers. They can supply an acid etch primer that should do the trick.

Hopper13/02/2018 04:33:37
2799 forum posts
44 photos

I used standard spray-can etch primer from the local paint shop on my ML7 with no problems.

Etch primer is also readily available at local hardware stores, as it is also used for painting galvanized steel etc which is a common domestic building material.

Edited By Hopper on 13/02/2018 04:44:42

Chris Evans 613/02/2018 07:27:20
1216 forum posts

Another vote for etch primer.

Jonathan Mead13/02/2018 09:26:27
30 forum posts
12 photos

UPol Acid 8 etch primer or Halfords own brand equivalent are good for aluminium and brass. It goes without saying that getting the surface completely clean and degreased is essential for good results.

Robbo13/02/2018 09:44:30
1449 forum posts
126 photos

See here **LINK**

and here

Edited By Robbo on 13/02/2018 09:46:30

Martin Kyte13/02/2018 11:01:39
1302 forum posts
9 photos

Have you emailed Myfords and asked what they do?

regards Martin

Edited By Martin Kyte on 13/02/2018 11:01:58

JasonB13/02/2018 11:27:13
13074 forum posts
1188 photos

Also ask the maker of the finish and U/C you are going to use, not much point on applying a primer if it is not compatible with these.

Andrew Tinsley13/02/2018 11:36:26
758 forum posts

Paragon paints supply primers and good advice. They also sell Myford grey and I believe green(?). Not the cheapest of paints, but superb quality finishes.


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