First time cerakote

[dr.chop]

Hello

I have one technical question regarding painting with Cerakote so if you were kind and try to give me some answer or tips or at least anyone from forum that have experience.

Some time when I paint with H color and after bake in the oven for exact amount of time and temperature some small parts when I return to place like small screw when I touch with let say screwdriver small part of paint was removed - fall off.


Also I noticed that color fall off from the angles of weapon by itself (rifles and guns).

I don’t know what I do wrong, I have watch all your (also others) Youtube movies about how to use and work with Cerakote H color, also I read all your manuals from your page.

Also I must say that I’m very careful when I degrease all parts.


This is step-by-step process how I wok, if you find anything wrong please inform me.


1.)I prepare surface with mop paper (grinding paper) number. 120 (very nice paper)

2.)Then with mop paper (grinding paper) number number 240

3.)Blasting with fine sand (sandblaster, very fine sand number: 150-250 glass send)

4.)With compresed air remove all remaining send, blow all remaning sand from weapon

5.)Degreasing all parts with acetone for 15 minute

6.)Bake all part in the oven for 20 minuts on 170 0C (338 Fahrenheit)

7.)Again degreasing all parts with acetone for 10 minute until all part are dry

8.)Then I mix color 18:1 for 5 minute (I shake mix for 5 minutes, color + hardner)

9.)Then I paint all parts with Cerakote color

10.)Then again in oven for 2 hour on 120 0C (248 Fahrenheit)

11) Then I leave all parts to to cool down

12.)On the end when all parts are cool down I assemble all parts


That’s all step-by-step, please help me with any tips or info.

Please any tips any info from you is very useful to me.

Thanks & Regards

(please for fast contact use mail: dino.doma@yahoo.com)

I'd say that would be your problem I highlighted in red. That's not their process and that's not what's suggested for surface prep. Glass is the wrong media as they call for the use of Aluminum Oxide (brown or white is fine) sand, not glass, and they suggest 120# (grit), not that fine stuff. No need to prep with any sand paper, mop paper or whatever else. The correct media at the correct PSI (pressure) and the correct process will yield the proper adhesion. Your making it too fine a surface, and there's nothing for the coating to bond to. You need a bit of bite, but not too much to create a crazy texture. The material will fill the valleys created by the blasting when done correctly, and yield a nice finish. Never had one ever fail so far, and certainly have never gone through all that either. You also aren't identifying your spraying either. Gun used, it's aircap/needle setup, how you are spraying, coats and so forth. By the sounds of it, you need to go back to their videos and follow them as they say, step by step. Don't add any of what you think should work, or how you normally do things...Just follow the instructions and it should give you awesome results. When I bake out metals, I don't do the odd temps unless they are too soft or have any sort of plastic inserts or what not. Otherwise, metals go for the 45-60 min @ 300f. Plastics and the rest go at 180f for 2 hours. Hope that helps...Here's an AR-15 I did for a friend not too long ago. The base was Graphite Black mixed at 18:1 satin. The color was a custom grey blue (he took the pix, look a bit more blue than it is) mix I blended.

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