It's time to dust. Since I've only dusted rolling stock which isn't weathered yet I need to know what happens to weathering powders that aren't sealed with anything.
Thanks
joe
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Maybe I worded it wrong. Feather duster kind of dusting. Does it remove most the weathering powder ?
This thread just brought me the most enjoyable moment of my day! Thanks, guys
It depends on if it is "real" weathering powder or just scraped pastels, chalks. Weathering powders like AIM and Bragdon have a fixative mixed in and are pigments. To apply them properly, you rub them in with a stiff brush or something similar which "activates" the adhesive. That said, minor amounts still come off to a point with handling and dusting. Pan Pastels also stick well. A feather duster should be pretty easy on an unsealed weathering pigment.
They get dusted (away), for the most part. Plain and simple.
(Pun intended.)
Bill S. posted:It depends on if it is "real" weathering powder or just scraped pastels, chalks. Weathering powders like AIM and Bragdon have a fixative mixed in and are pigments. To apply them properly, you rub them in with a stiff brush or something similar which "activates" the adhesive. That said, minor amounts still come off to a point with handling and dusting. Pan Pastels also stick well. A feather duster should be pretty easy on an unsealed weathering pigment.
All Bragdon and mostly rooftops...Thanks
Hi Dobermann, To explain further what I said, above, I rub the dust in very strongly, and deeply, but still know it can get fingered or dusted away, at least, down to some level. Thus, I stay away from ever touching these scenes, except by their hidden baseplates.
In general, I rarely ever dust certain areas of the layout.
Or, I have used an undercoat and/or an overcoat of some fixative to hold the dustings in place, though I came to realize early-on that use of sprays changes the effect and the results.
Where I have elected , instead, to stain, rather than dust, such as on this fencing, I used alcohol, not water, as the medium because using water can cause the wood, thin as it can be, to warp, almost immediately, which was most undesirable. Dust has been added in addition to the staining, as you likely detect around the foliage and old, worn, advertisement signs...
Other areas, like rusty roofs,
I never go near with any sort of maintenance, dusting tool. The "rust," 
for the most part, sits atop a couple layers of it, having been affixed with glues and sprays, and I leave it alone, wanting it to stay unmolested.
FrankM
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