OrangeBob Posted December 3, 2015 Share Posted December 3, 2015 Hello, Is there a ballpark percentage humidity where it starts becoming bad to spray paint or prime models? People always say that that is a main cause for bad priming sessions, but I don't ever recall anyone throwing out a particular figure. I was just wondering if such a number exists. OrangeBob Link to comment https://bolterandchainsword.com/topic/316704-humidity/ Share on other sites More sharing options...
Carlson793 Posted December 3, 2015 Share Posted December 3, 2015 From my experience, you want 50% or less, or 60% with at least 5 mph winds. What happens when you risk higher than 50% humidity without a wind? Note especially the right torso and left arm. I got careless in trying to get an ETL vow started - luckily the other models in that vow had already been primered. And those rare days in my area when it's below 50% humidity? My fiance doesn't even get a kiss when I get home from work - I'm rushing to the basement to grab bare plastic models and a can of Krylon Link to comment https://bolterandchainsword.com/topic/316704-humidity/#findComment-4241918 Share on other sites More sharing options...
OrangeBob Posted December 3, 2015 Author Share Posted December 3, 2015 Thanks, Carlson793! I know the feeling. The sun finally came out here in North Texas, where it just went Noah's Ark recently and I sped home, neglected my wife and dinner and primed some pre-heresy Dark Angels tacticals. I really appreciate the actual number, so now I can check the humidity on my phone and feel comfortable making the correct decision. Link to comment https://bolterandchainsword.com/topic/316704-humidity/#findComment-4241923 Share on other sites More sharing options...
Honda Posted December 6, 2015 Share Posted December 6, 2015 Down heah in Houston area, we are no strangers to humidity. I will go as high as 70-80% if the temperature is not above mid-70's. After that, you're better off painting as the additional moisture in the air helps extend the life of your paint. High humidity is good for your skin, but that's another topic usually found in the Slaanesh forum. ;) Link to comment https://bolterandchainsword.com/topic/316704-humidity/#findComment-4245198 Share on other sites More sharing options...
Lucien Eilam Posted December 7, 2015 Share Posted December 7, 2015 Many more factors than just the relative humidity. In the UK, even 92% in ~10-12C was fine for me at the weekend, but 70% might be too much in the 20C Texas is enjoying right now. I wouldn't bother trying to predict the results based on prevailing conditions, it could all be screwed up by a dodgy can anyway. The best thing to do is always test the can on something other than the miniature first and see what happens. Link to comment https://bolterandchainsword.com/topic/316704-humidity/#findComment-4245910 Share on other sites More sharing options...
Honda Posted December 7, 2015 Share Posted December 7, 2015 I wouldn't bother trying to predict the results based on prevailing conditions, it could all be screwed up by a dodgy can anyway. The best thing to do is always test the can on something other than the miniature first and see what happens. There is a lot of wisdom in this statement, though I would also caution that in Texas, the weather could change significantly between the time you tested and the primer dried. Still, "measure twice, cut once" will save you lots of heartache. Link to comment https://bolterandchainsword.com/topic/316704-humidity/#findComment-4245955 Share on other sites More sharing options...
Kaedes Nex Posted December 9, 2015 Share Posted December 9, 2015 The ideal number most people agree on seems to be 45 degrees and below, which sucks for people who live in areas where it never dips below 50-55. Link to comment https://bolterandchainsword.com/topic/316704-humidity/#findComment-4247077 Share on other sites More sharing options...
The4thHorseman Posted December 10, 2015 Share Posted December 10, 2015 Living in FL humidity is my nemisis. Always 90% or higher or it rains. Basically I have to wait till dusk or the evning to spray, and even then I sometimes get fuzz. I usually end up just taking a stiff old toothbrush and rubbing the fuzz off, usually you can't tell the differnce, unless its on something non armor, like a face. Link to comment https://bolterandchainsword.com/topic/316704-humidity/#findComment-4248638 Share on other sites More sharing options...
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