Thanks again. One last question. My customers procedure was written for Probmer 52 and calls for 1Hr room temp. followed by 4 Hr. at 150 deg.F. My first sample was still soft after this and could be rubbed off with a soft cloth and alcohol.
What would be your recommended cure time at 150deg.F? I don't think they will allow a higher temp.
Charles Caswell
-----Original Message-----
From: Smith, Russell (US LA) [mailto:[log in to unmask]]
Sent: Friday, September 26, 2003 3:13 PM
To: [log in to unmask]
Subject: Re: [TN] Probimer 77 soldermask
the ratio is 82 parts 1040 to 18 parts 1050, The thinner you can use will depend on how long you want to have brush ability , before the solvent evaporates. The good Solvent is PMA, but you might want to use some MEK , if you need it to air dry fast. Don't use acetone, it usually has to much water in it and it will make a mess.
Russell Smith
-----Original Message-----
From: Charles Caswell [mailto:[log in to unmask]]
Sent: Friday, September 26, 2003 12:29 PM
To: [log in to unmask]
Subject: Re: [TN] Probimer 77 soldermask
Thank you. I have the info now. I am using 1040 with hardener 1050. This is for touch up on a board that the original mask peeled from several areas. Since I will be applying it with a brush is there a thinner I can use?
-----Original Message-----
From: Smith, Russell (US LA) [mailto:[log in to unmask]]
Sent: Friday, September 26, 2003 1:51 PM
To: [log in to unmask]
Subject: Re: [TN] Probimer 77 soldermask
Charles,
If you could give me the product numbers of the hardener and resin you are using , ( they should be like 1040, 1070 , etc,) I can give you the precise ratios.
Thank you
Russell Smith
Huntsman Advanced Materials
-----Original Message-----
From: Charles Caswell [mailto:[log in to unmask]]
Sent: Friday, September 26, 2003 7:57 AM
To: [log in to unmask]
Subject: [TN] Probimer 77 soldermask
Anybody know the mix ratio for this?
Charles Caswell
The Big Kahuna
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