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Discussion Starter #1
People,

I am using an etching primer and always have stress with the picture instructions on spray cans. I have attached a photo, can anyone advise me from the photo what the time is between coats??

Cheers




Sub
 

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Looks like 5- 20 minutes. If you wait too long the coats will not bond to each other. If you go too short, the coats will eat each other. I would wait 6 minutes and apply the subsequent coat.
 

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Discussion Starter #3
cheers
 

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At 20 minutes, the piece can be handled and final sanded for topcoating.
 

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Ade can also give great advise on painting. I think he did it for 20 years.
 

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Its 5 mins flash off between coats, 20 min drying time.
 

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Discussion Starter #8
People,

I am spraying from an aerosol can over this weekend.

In the UK the outside air tempertature is around 12 degrees celcius or 55 degrees farenheit. I can only spray outside really.

I would appreciate thoughts on whether or not such a temperature is OK for spraying outside. Secondly, in advance of the spraying should I keep the item that is being sprayed cool, at outside ambient temperature or warm. Please also advise on the same for the actual aerosol can.

I have attached a photo of the instructions on the aerosol can which may assist in getting some answers

Cheers




Sub
 

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Check for rain, barometric pressure, atmospheric humidity, dew point and wind strength Sub ; )

only kidding..I'd wait for a nice warm dry calm day or take it somewhere indoors..
 

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Discussion Starter #10
I actually do need some help here Joe!!!
 

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Well that's what I offered Paul, ; )

I have had good results 0utside on a nice warm dry day with no wind..If it's windy dust and bits of twigs and leaves will blow up into the air .

If you heat up the component too much then the paint will instantly dry as it hits the item being sprayed and you'll get a textured finish like leather...Sometimes this is desirable as an effect..but usually not. From my experience warm enough to ensure atmospheric humidity does not condense onto the surface is enough.

Humidity will have an effect on the paint too as saturated air will give up it's moisture to the cold paint droplets..

I wouldn't paint outside today...I'd be looking for a mate with a nice workshop and the heating on : ) An ambient air temp of 20 -32 deg C is what I can glean from googling

and I would never expose the tin to heat as it's a pressurised container..blah blah

But then I'm not a paint specialist so I'm sure somebody more knowledgeable will chime in : )

I buy my aerosol paint and touch up from Bike Colours....He's a well established ebay seller. I would google ring him up. Very helpful bloke and I'm sure he'd be only too pleased to help. The added advantage is he is an expert in his field..

Mal Wilkinson: Email: [email protected] Tel: 01524 33700 Mob: 07960 168424

joe

joe
 

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Discussion Starter #12
Cheers Joe, I'm going to contact Mal and see if he can offer any additional advice that may compliment above. Many thanks for your help Joe, greatly appreciated
 
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