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PostPosted: Fri 04 Dec 2015 01:54 am 
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Hi all.
I have used with great success Humbrol clear for some time now and bought a bottle of matt clear as soon as I could but it arrived white like milk and dries on the model that way, I have stirred it for half an hour with a milk frother on turbo but if anything it made it worse.
The weather is fine for spraying varnish and just to be sure I painted the test piece with Humbrol clear gloss which as normal was great.
Has anyone else had this problem?
Many Thanks from Mick.


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PostPosted: Fri 04 Dec 2015 02:05 am 
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I think it's getting a lot of bad feedback at present, to the extent that my LMS has put labels on the bottles to say that it's useless!

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PostPosted: Fri 04 Dec 2015 03:57 am 
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Sounds like far too much matting agent. Try thinning it, a lot.

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PostPosted: Fri 04 Dec 2015 04:15 am 
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Ill try that,
also, if you let the bottle settle the white separates and go's to the bottom and the top half is as clear as water but I tried just that clear half and it still went white, it just does not seem right at all.
I have sent many emails to Humbrol but apart from the automated response they don't answer.


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PostPosted: Fri 04 Dec 2015 04:27 am 
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First try mixing a small amount into a small amount of a gloss acrylic and see if that dries matt. If it does, then there's far too much matting agent.
Either dilute it way down with water, or Klear, or similar stuff. You may end up with a lifetime supply of matt varnish.

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PostPosted: Fri 04 Dec 2015 04:54 am 
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I shall try your suggestions in the morning, have to be water, no Klear here in Oz.

Update:
Mixed about 65% gloss to 35% matt, didn't make any difference that I could see.
Went 50 50 with water and matt and it more or less turned into water that left a lighter white haze behind.


Last edited by snibs on Sat 05 Dec 2015 21:20 pm, edited 1 time in total.

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PostPosted: Fri 04 Dec 2015 20:25 pm 
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Did they ever get the gloss Clear formula sorted as that had a propensity to dry cloudy. If they have added a matting agent to the same formula it sounds like a recipe for a milky finish! :(

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PostPosted: Fri 04 Dec 2015 21:39 pm 
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They must have as I use it with good results which is why I got the matt as soon as I could, just doing these experiments above now.


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PostPosted: Fri 04 Dec 2015 21:54 pm 
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I think the gloss clear is a bit sensitive to some paint solvents, whether that can be resolved by letting paint dry for extra time or just avoiding certain paints I'm not sure. I've still got plenty of Klear left, and tend to use the tinned matt coats rather than anything else, so I've not had the opportunity to try Humbrol's clear in any form myself.

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PostPosted: Fri 04 Dec 2015 23:08 pm 
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I love the Gloss clear, I use Humbrol paints most of the time with the odd Tamiya acrylic and there fine with those, just don't use in humid conditions as with any varnish.


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PostPosted: Fri 29 Jan 2016 00:30 am 
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I must admit I like Humbrol clear gloss, used it for quite a while and never had a poor result, just bought a bottle of Matt and satin. Used the Matt ..... Yuk it's horrible covered the whole model with white powder as it dried, (something told me to try a test section 1st but didn't listen) so I wiped as much off as I could on the model then coated with gloss.... Looks better but needs another coat as the gloss seems to re-activate the earlier coat. I'll be contacting Humbrol/Airfix/Hornby tomorrow.

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PostPosted: Fri 29 Jan 2016 16:58 pm 
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So, is it a bad batch? I recommend using the rattle cans. I know more expensive but in terms of reliability and peace of mind, invaluable.


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PostPosted: Fri 29 Jan 2016 19:17 pm 
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Dazman wrote:
So, is it a bad batch?

Where the coat has taken well it is a pretty good Matt finish but the White powder deposits are a real pain, I'm going to try to remove the marks using a combination of acrylic thinners and clear gloss, I'll let you know how I get on

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PostPosted: Sat 30 Jan 2016 14:30 pm 
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Heres how the wing looks before I try to rectify
Image

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Completed 2017:6, 2016:8, 2015:9, 2014:23, 2013:9, 2012:5


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