Electronics Forum: yellow (Page 3 of 21)

QP 242 yellow vinyl decal back light for nozzles

Electronics Forum | Wed Aug 02 23:38:47 EDT 2017 | tlake1974

Dose anyone know where to purchase the yellow vinyl decal material by the roll uncut used on the FUJI QP 242 back disk? Any info would be appreciated.

Flux turns BRIGHT yellow when in contact with Tin/ Lead

Electronics Forum | Wed Apr 01 11:48:16 EDT 2020 | proceng1

We did not try using water. Once the nozzles were left in the pot a while longer, the yellow goes away. Suggesting that it's cooking off.

QP 242 yellow vinyl decal back light for nozzles

Electronics Forum | Thu Aug 03 10:54:04 EDT 2017 | cyber_wolf

Call SMT Research and ask them. https://www.smtresearch.com/

Flux turns BRIGHT yellow when in contact with Tin/ Lead

Electronics Forum | Wed Apr 01 12:45:31 EDT 2020 | emeto

And this is why you see it only in Leaded process I guess.

Flux turns BRIGHT yellow when in contact with Tin/ Lead

Electronics Forum | Wed Apr 01 11:41:34 EDT 2020 | emeto

Very interesting.Safety datasheet suggest acid that might turn yellowish. I am interested is it cleaned easily with water?

Flux turns BRIGHT yellow when in contact with Tin/ Lead

Electronics Forum | Thu Apr 02 10:06:51 EDT 2020 | stephendo

If you can find some, you might want to give Adipic Acid a try. It is a powder but I have seen it work well.

Strange reaction with Selective Solder alloy

Electronics Forum | Wed Apr 06 15:32:11 EDT 2022 | proceng1

I spoke with a Tech at Superior Flux. He confirmed that Superior 515 will absoluteley turn yellow at room temp. Hydrobromic Acid in the flux, as it binds the hydrogen gases off and the bromine turns yellow. What is weird, is that Tin Bromide is y

Yellow Visible Dye Penetrant

Electronics Forum | Sat Aug 16 08:15:27 EDT 2008 | davef

We are unfamiliar with yellow penetrant. Red is common, as you say. There are couple of green penetrants out there. Some red penetrants contain yeasts [eg, Calcofluor Yellow, Azosol Brilliant Yellow 6GF, etc] that fluorese yellow, but that's not what

Solder Joint Discolouration

Electronics Forum | Tue Jan 08 08:52:30 EST 2019 | ameenullakhan

Hi Steve, We did the below trials today. 1. Run the board in O2 environment. result : Yellowish appearance was observed. After DI water Cleaning : Still the yellow color is there. 2. Same board run secondary side. Result : First side board yel

Yellow Visible Dye Penetrant

Electronics Forum | Thu Aug 14 17:37:11 EDT 2008 | bandjwet

Dear Smtnettter: Has anyone purchased yellow visible colored dye penetrant for dye and pry testing? Can someone recommend a vendor? BTW this was recommend to me by an end user in japan as some copper problems are "hidden" by the typical red visible


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