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Antec Formula 7 TIM seems to lose its efficiency over time

post #1 of 2
Thread Starter 
Has anyone else noticed their temps creeping up with Antec Formula 7 a few months after application?

I ran out of my usual TIM, Gelid Extreme, and I decided to try the Formula 7, as the Gelid is not available locally. In contrast with many of the comments I have read, I didn't find it to be overly thick at all-- it was a little thinner than the Gelid, and while I don't use the pre-spread method, I decided to try it just to see how the Formula 7 works, and I found it considerably easier to spread than the Gelid (although I used the dot in middle method before I set it all up). Perhaps the formula has changed since those prior reports... I noticed that most or all of them were from several years ago, while the product I had was purchased in (I think) late 2014.

I was pleased to observe that the Antec Formula 7 gave results that were very much like those I'd had with the Gelid-- the temperatures were great, right off the bat, and equaled the best I'd had before with the given cooler/cpu combo.

After a while, though, I noticed that the temps on my CPU were higher than they had been. I reapplied the Formula 7 and was once again rewarded with improved temperatures. The old stuff had hardened significantly.

By that time, I had already replaced my GPU's TIM (I use an aftermarket cooler on it) with the 7, and I noticed that I was seeing peak temps in the 60s during gaming (which never happened with the Gelid or the freshly-applied 7). R&Rd it with new 7; once again things improved.

Once could be a fluke. Twice... well, that's starting to be a pattern.

Enter my old Asus F8Sp laptop. I think I bought that around 2008... and by then in the narrative, it was probably early 2015, and its temps had gotten excessive. This was a hot laptop to begin with (in terms of reported temps; it is actually quite comfortable to use in my lap even when its hot), but it was worse. I removed the combined CPU/GPU cooler and removed the old TIM... it was a combined thin layer of what looks to be some sort of metallized phase change film (in contact with the CPU and GPU dies) and conventional TIM (on the cooler side). At least, I think it was supposed to be conventional TIM... it looked more like fully cured JB Weld than anything else. I could not scrape it off with a fingernail... fortunately, after several minutes of soaking with Arctic Cooling's TIM remover (with its lovely orange smell), it softened and came off.

I applied the 7 and packed it all back up. I don't know what the deal was with using a phase change material AND TIM, but I didn't try to repeat it... I just used the TIM.

Temps were much improved. The fan was no longer whizzing away noisily most of the time, and the palmrest no longer felt warm to the touch.

Well... today, I noticed that the old lappy was idling at 62C. I know it was always a warm runner, but that's nuts. I don't even allow my desktop CPU to get UP to that temp if I can help it.

So... again, take it apart, clean it up, reinstall with Formula 7 (am I a fool for using it yet again after all this?), and now it is idle at 48C. On my desktop, that would still be way too hot, but I think that's as good as it has been with this laptop. It's 14C better than an old installation with the SAME TIM!

Anyone else seen this?
post #2 of 2
maybe apply less tim or snug the heatsink after burn in? I use that stuff and have no problems keeping regular temps.
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HAF Dragon
(17 items)
 
Blue Dragon
(11 items)
 
W10M
(8 items)
 
CPUMotherboardGraphicsGraphics
AMD FX 9370 Asus Crosshair V Formula Z Asus R9-290 DCUII ~ ɌЭÐ M§D Asus R9-290 DCUII ~ ɌЭÐ M§D 
RAMHard DriveHard DriveHard Drive
AMD Radeon™ RP1866 Performance Series OCZ VERTEX 3 OCZ VERTEX 3 Seagate Hybrid drive 
CoolingOSMonitorKeyboard
CoolerMaster Seidon 240M WINDOWS 7 ULTIMATE 64-BIT BenQ XL2420T LOGITECH G19 
PowerCaseMouseAudio
Coolmax 1200W gold+ Coolermaster HAF 912 LOGITECH G300 Sound Blaster Tactic 3D Omega 
Other
ASUS PCE-AC68 WIRELESS ADAPTER 
CPUMotherboardGraphicsGraphics
AMD FX 4130 MSI 990FXA-GD80 MSI 7870 HAWK MSI 7870 HAWK 
Hard DriveOSMonitorKeyboard
OCZ VERTEX 4 WINDOWS 7 ULTIMATE 64-BIT BenQ XL2420T LOGITECH G19 
PowerCaseMouse
seasonic m12II 850w ANTEC NINE HUNDERED LOGITECH G300 
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