‘Plastic Wood’ equivalent for gunmetal ?

‘Plastic Wood’ equivalent for gunmetal ?

This topic has 6 replies, 4 voices, and was last updated 21 October 2022 at 20:32 by JasonB.

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21 October 2022 at 13:52 #618127
Bob Unitt 1
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@bobunitt1
I'm looking for the equivalent of Plastic Wood to fill small holes in gunmetal castings. Some of the holes are machined surfaces (oops). Is there a one-part equivalent for metal ? and will it need the machined surfaces to be etched for adhesion ? Colour is unimportant as it will be part of a painted object.
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21 October 2022 at 13:52 #28886
Bob Unitt 1
Participant
@bobunitt1
What to use to fill small halls in gunmetal castings ?
21 October 2022 at 13:58 #618128
Neil Wyatt
Moderator
@neilwyatt
JB Weld is probably the best. They have multiple products so look at their details.

The better the surface offers a good key, the better the results.

Epoxy putty

Neil

Edited By Neil Wyatt on 21/10/2022 14:00:18
21 October 2022 at 13:59 #618130
noel shelley
Participant
@noelshelley55608
Inert powder and superglue – perfect for this job ! Noel
21 October 2022 at 14:15 #618135
JasonB
Moderator
@jasonb
I tend to go with JBWeld original formula particularly if the part is going to see any heat. You can also drill, tap, file and machine it you are filling wayward holes
21 October 2022 at 20:29 #618189
Bob Unitt 1
Participant
@bobunitt1
Posted by Neil Wyatt on 21/10/2022 13:58:47:

JB Weld is probably the best. They have multiple products so look at their details.

The better the surface offers a good key, the better the results.

Neil

How do I improve the keying of the surface ? I have some acid-etch primer, would that do it ?
21 October 2022 at 20:32 #618190
JasonB
Moderator
@jasonb
I've always just cleaned with thinners, abrade it a bit if you want a key
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