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Old 28th December 2012, 02:55 AM   #741
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Would you paint your car using aerosol cans? I think that would be a desperate act. I have professional painting equipment including Metalflake air brush. This pail a polish was left here when I bought the place in 2005, not sure if good enuf after that age, but does nice job on floor, they even left the stuff to strip it with. sorry for getting off topic. Cheers Al
I'm not sure how to check the resistance or method used

Last edited by DeltaStar; 28th December 2012 at 02:58 AM. Reason: addon
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Old 28th December 2012, 03:17 AM   #742
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Since you already have Staticide 6300 on hand, it wouldn't hurt to give it a whirl. I suspect it would be much thicker than Licron Crystal, as normally mixed for floors. However, the literature states that it's water soluble/dilute-able. Assuming that's right, the question becomes how well it works and sticks to PET film when diluted to enough to make a thin coating. The 8-oz hand-spray bottles are around $10 I think so could possibly be an economical alternative to Licron Crystal or Elvamide.

I can attest that (1) coat of Licron Crystal sprayed "just wet" is only about 2 microns thick when dry and it sticks to polyester film like white on rice. It looks thick as you spray it on but it's 98% volatile solvents so it flashes off fast to form a coating so thin it's hard to measure with a micrometer. If applied in low humidity it will dry almost clear with a slight blue-gray tint. If applied in high humidity it will dry cloudy. If you try to smooth it out with a brush or wipe it on (which I don't recommend) the coating will have prismatic streaks. Licron Crystal isn't cheap and it's not available everywhere but, performance-wise, I haven't seen anything that beats it. It's been on my latest panels for over three years and I haven't noticed any degradation at all.

BTW, I sprayed my stators with polyurethane using an automotive HVLP spray gun. I can't see how a diaphragm would relate to cars but if I had a plastic car with just 4ft2 of surface area and it needed a coating not thicker than 2-microns, a 98% solvent aerosol formulated for plastics might not be a bad choice.

Last edited by CharlieM; 28th December 2012 at 03:45 AM.
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Old 28th December 2012, 03:50 AM   #743
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Charlie, Is the higher the ohms on surface better, or is it supposed to be between 107 and 109?
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Old 28th December 2012, 04:07 AM   #744
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Quote:
Originally Posted by DeltaStar View Post
Charlie, Is the higher the ohms on surface better, or is it supposed to be between 107 and 109?
I didn't have equipment to measure the resistance of the Licron on my diaphragms but I recall the data sheet does specify 10*7 to 10*9 Ohms... I just wish it were cheaper and not considered a hazardous material.

I once tried to help out a fellow ESL builder in Hong Kong who asked if I would ship him a can of Licron, since it's not sold there. As it turned out, Fed-X would ship it to Hong Kong but neither I nor Fed-X are permitted to package it for shipping-- I would have needed certified paperwork proving it was packaged by a licensed Hazmat company, and the cheapest quote I got for that was $290. Crazy huh?
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Old 28th December 2012, 04:21 AM   #745
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I did read somewhere that it wasn't considered hazardous in respect to shipping , wish I would have copied the article, may have been the Techspray site.
American Microsemiconductor Inc said they may be able to send it here. Al
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Old 28th December 2012, 04:22 AM   #746
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BTW, Walker & Braxandall (from Quad Corp) probably did more research to model ESL's than anyone else and their white paper states the ideal coating resistance is 10*10 Ohms. Licron isn't quite that high of course but it sounds great on my panels.

From what I've read on the websites, I think all of the ESD coating products like Licron and the Staticide advertise about the same resistance. Staticide also makes an solvent based aerosol formulated especially for plastics (like Licron Crystal) that advertises the very same properties and resistance. The 6300 and other floor products are advertised as water based.
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Old 28th December 2012, 04:31 AM   #747
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Quote:
Originally Posted by DeltaStar View Post
I did read somewhere that it wasn't considered hazardous in respect to shipping , wish I would have copied the article, may have been the Techspray site.
American Microsemiconductor Inc said they may be able to send it here. Al
International shipping to Hong Kong would be by air so I assumed the solvents in it (which include propane and nitro-methane) restricted if from air freight... I doubted it was a restriction unique to Hong Kong but I could be wrong... in any case, Fed-X would not air ship it to Hong Kong without certified Hazmat packaging.

Last edited by CharlieM; 28th December 2012 at 04:34 AM.
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Old 28th December 2012, 05:08 AM   #748
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LOL Sears sells it, double the price of course up here in Canada $67 for a can, but what the heck, it's only money, and maybe last hope
PS It was Tech Spray 1756-8S: Techspray Licron™ Crystal Permanent ESD Coating, 8-oz. Aerosol
Note: Regulated Material - Non-Hazardous only when shipped via ground service
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Old 28th December 2012, 07:45 AM   #749
Calvin is online now Calvin  Germany
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Hi,

67$ are a lot compared to some ounzes of water and a grain of hobby glue, that´s doing exactly the same.
Somehow we are leaving DIY here, with all the stuff to buy around.

jauu
Calvin
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Old 28th December 2012, 11:08 AM   #750
tyu is offline tyu  United States
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Thanks for the info on the LC.....
Calvin is right about the Diy....
I gess there only one way to know for sure for one self...
looks like most that have used the LC..have not used any other??....
all i wont is the best topend i can get out of a Coating...Like every one....
Happy New year
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