View Full Version : APC and White Staining
AustrianOak82
09-25-2015, 08:56 AM
Has anyone ever had problems with APC creating a white stain on the product it's applied to? I have noticed that if I apply 10:1 APC to a slightly textured panel, agitate, then wash or wipe clean, I am left with white staining that is very difficult to remove. I am not letting it sit for any length or time and it doesn't happen all the time, so I was just wondering what is going on here.
I had it happen with a set of black Weathertech mats yesterday and a couple of months ago, it happened to literally every black trim panel that I did on a Ford Fusion. Thoughts?
Setec Astronomy
09-25-2015, 09:01 AM
What APC are you using?
7.3powerstroke
09-25-2015, 09:01 AM
Which APC is it?
AustrianOak82
09-25-2015, 09:24 AM
Meguiar's.
Coopers ST
09-25-2015, 09:27 AM
If you are diluting it, are you using distiled water? Some water could have enough minerals in it to stain some surfaces.
AustrianOak82
09-25-2015, 10:09 AM
If you are diluting it, are you using distiled water? Some water could have enough minerals in it to stain some surfaces.
No, just tap water. City water.
AustrianOak82
09-29-2015, 12:45 PM
Well, to complicate things more, I noticed over the weekend that everything that I steamed also turned a chalky white color. I had a hard time getting it off. I've done both seperately, so now I need to figure out why the APC and VX5000 are turning things a chalky white.
Any ideas?
LSNAutoDetailing
09-29-2015, 01:09 PM
APC if not diluted properly can etch a surface, such as glass. APC is Alkaline based (High PH Balance).
Hard water, (not distilled or softened) has a low PH Balance and is considered acidic because it contains minerals etc... You may need to find something that is neutral.
So if you're not using a PH Balance product, you can run into issues. Sounds like your issue is hard water.
What are you cleaning?
For interior surfaces, leather, vinyl, dashes, doors, etc... I use Pinnacle Vinyl & Leather Cleaner and Pinnacle Vinyl / Rubber Protectent. They have a ph balance of 7, (on a scale of 0-14 this is a neutral/PH balance) which is why I like using it on all the interior surfaces of a car.
You need to use something balanced to neutralize the surface..
AustrianOak82
09-29-2015, 07:51 PM
APC if not diluted properly can etch a surface, such as glass. APC is Alkaline based (High PH Balance).
Hard water, (not distilled or softened) has a low PH Balance and is considered acidic because it contains minerals etc... You may need to find something that is neutral.
So if you're not using a PH Balance product, you can run into issues. Sounds like your issue is hard water.
What are you cleaning?
For interior surfaces, leather, vinyl, dashes, doors, etc... I use Pinnacle Vinyl & Leather Cleaner and Pinnacle Vinyl / Rubber Protectent. They have a ph balance of 7, (on a scale of 0-14 this is a neutral/PH balance) which is why I like using it on all the interior surfaces of a car.
You need to use something balanced to neutralize the surface..
When I do trim, I typically use Meguiar's T&R Cleaner/Conditioner. For this one, I used 10:1 APC on the black weathertech mats and on the door panels.
You thinking mix with distilled water? The city water might be too hard?
MikeLW
09-29-2015, 08:07 PM
I too have had Meg's APC leave white chalky like residue on plastic and vinyl interior trim. I believe my dillution ratio was 8-1 or 10-1. Just to be careful I always follow behind Meg's APC with a light soap/water solution to get any residual cleaner left on the surface off. That seems to be working for me.
Apc could have butyl a caustic ingredient,or alkaline
AGOatemywallet
09-29-2015, 09:14 PM
Apc could have butyl a caustic ingredient,or alkaline
Can you please expand on that thought?
In a nutshell ,there powerful ingredients ,I don't want to get into the whole scientific formulation ,butly is more of a concrete cleaner .
7.3powerstroke
09-29-2015, 09:56 PM
OP, maybe take a look at DP Hi Intensity. Advertised to never leave film or residue behind. I just busted open my gallon and it seems to be really good
AGOatemywallet
09-29-2015, 11:00 PM
In a nutshell ,there powerful ingredients ,I don't want to get into the whole scientific formulation ,butly is more of a concrete cleaner .
There are lots here who would enjoy hearing a scientific discussion.
- Why would APC leave white streaks on different types of materials
- What exactly is butyl and how does it contribute to these white streaks?
No nutshell required at all
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