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Removing Rain-X - the final word? #4571389
11/11/17 11:26 PM
11/11/17 11:26 PM
Joined: Oct 2008
Posts: 17
Houston, Tx
bloc Offline OP
bloc  Offline OP
Joined: Oct 2008
Posts: 17
Houston, Tx
Hello all,

First off, I'm not looking for a debate on whether or not Rain-X is worth the trouble. It is on a car I bought, and I want it off. I've done a fair bit of searching online and have tried a lot of stuff.. windex, foaming glass cleaner, lighter fluid, sulphomic acid (for cleaning coffee makers), etc. None of this has had any effect.

Here's something I dug up searching for "rain-X patent"

CLAIMSWe claim:1. A water repellent glass treatment for automotive applications comprising a quaternary compound concentrate in solution with a solvent dispersible in water, alcohols, and water- alcohol mixtures imparting a good degree of hydrophobicity to a windshield surface.2. The water repellent glass treatment of claim 1, wherein said quaternary compound is selected from the group consisting of silicon based quaternary ammonium compounds, siloxane based quaternary ammonium compounds, fatty quaternary ammonium compounds, and mixtures thereof .


How would one go about removing a silicon/siloxane based quarternary ammonium compound, without damaging the underlying glass?

I considered having it polished off but have zero experience with a polisher and want to see if I can do this at home.

Thanks for any insight

Re: Removing Rain-X - the final word? [Re: bloc] #4571394
11/11/17 11:33 PM
11/11/17 11:33 PM
Joined: Sep 2017
Posts: 106
Vancouver, BC Canada
Cdn17Sport6MT Offline
Cdn17Sport6MT  Offline
Joined: Sep 2017
Posts: 106
Vancouver, BC Canada
I once decided to remove RainX -- and I contacted the mfr. Now this was some 30 or 35 years ago, I'm afraid, and the chemical formulation of RainX may have changed. In any case, at the time, I was told to use the cleanser "Bon Ami" which I believe is still available in US grocery stores (not in Canada, for many years). Well, it did work, and I can't recall any damage that resulted to the windshield ('78 Chev BelAir).

Mebe try with that product?

Cheers from Vancouver.


Mazda6 GX (Sport in the 'States), 6MT, 2017
Moto Guzzi T5 850 NT, 1985
Honda Civic Si (EX 2 dr. in the 'States), A/T, 1997
Toyota Camry CE, 5MT, 1999
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Re: Removing Rain-X - the final word? [Re: bloc] #4571401
11/12/17 12:00 AM
11/12/17 12:00 AM
Joined: May 2005
Posts: 783
USA
97prizm Offline
97prizm  Offline
Joined: May 2005
Posts: 783
USA
Glass Science glass scrub. Glass Science


If at first you don't succeed fail fail again. (Waldorf and Statler.)
1997 Geo Prizm
1984 Mazda RX-7 Spec 7
Re: Removing Rain-X - the final word? [Re: bloc] #4571406
11/12/17 12:10 AM
11/12/17 12:10 AM
Joined: Dec 2015
Posts: 420
Kentucky
Fsharp Offline
Fsharp  Offline
Joined: Dec 2015
Posts: 420
Kentucky
I bet a strong, polar, organic solvent like acetone would take it off. It won’t harm the glass but keep it off of the paint! If Bon Ami would work that would be a safe product to use its just a gentle abrasive powder mixed with a soap or detergent.

Re: Removing Rain-X - the final word? [Re: bloc] #4571409
11/12/17 12:24 AM
11/12/17 12:24 AM
Joined: Dec 2002
Posts: 41,535
'Stralia
Shannow Online content
Shannow  Online Content
Joined: Dec 2002
Posts: 41,535
'Stralia
There was a thread the other day that showed how the stuff works.

It's a chemical reaction as opposed to a coating.

Re: Removing Rain-X - the final word? [Re: Cdn17Sport6MT] #4571424
11/12/17 02:02 AM
11/12/17 02:02 AM
Joined: Apr 2005
Posts: 588
Under the hood
Carmudgeon Offline
Carmudgeon  Offline
Joined: Apr 2005
Posts: 588
Under the hood
Originally Posted By: Cdn17Sport6MT
I once decided to remove RainX -- and I contacted the mfr. Now this was some 30 or 35 years ago, I'm afraid, and the chemical formulation of RainX may have changed. In any case, at the time, I was told to use the cleanser "Bon Ami" which I believe is still available in US grocery stores (not in Canada, for many years). Well, it did work, and I can't recall any damage that resulted to the windshield ('78 Chev BelAir).


Right. Back when it was still a Unelko product/formula, they advised that abrasion was the way to remove it.

Makes sense, given that the need for reapplication is most evident in the swept area covered by the wipers.

Also worth noting that only the old "1886" formula (feldspar/soap) Bon Ami is safe for glass, not the newer version.

Re: Removing Rain-X - the final word? [Re: Carmudgeon] #4571427
11/12/17 02:30 AM
11/12/17 02:30 AM
Joined: Oct 2012
Posts: 2,474
Staten Island, NY
michaelluscher Offline
michaelluscher  Offline
Joined: Oct 2012
Posts: 2,474
Staten Island, NY
Originally Posted By: Carmudgeon
Originally Posted By: Cdn17Sport6MT
I once decided to remove RainX -- and I contacted the mfr. Now this was some 30 or 35 years ago, I'm afraid, and the chemical formulation of RainX may have changed. In any case, at the time, I was told to use the cleanser "Bon Ami" which I believe is still available in US grocery stores (not in Canada, for many years). Well, it did work, and I can't recall any damage that resulted to the windshield ('78 Chev BelAir).


Right. Back when it was still a Unelko product/formula, they advised that abrasion was the way to remove it.

Makes sense, given that the need for reapplication is most evident in the swept area covered by the wipers.

Also worth noting that only the old "1886" formula (feldspar/soap) Bon Ami is safe for glass, not the newer version.


I heard barkeeper's friend is the modern approved way to clean glass?


'06 Toyota Camry SE V6 3MZ-FE 100k
'01 Mercury Villager Estate VG33E 52k
'06 Ford Taurus SE Vulcan 60k
'13 Chrysler 300 3.6 Pentastar 230k
Re: Removing Rain-X - the final word? [Re: bloc] #4571466
11/12/17 05:35 AM
11/12/17 05:35 AM
Joined: Feb 2003
Posts: 7,685
Jupiter, Florida
Cujet Offline
Cujet  Offline
Joined: Feb 2003
Posts: 7,685
Jupiter, Florida
Rain X sells a glass cleaner that is in essence, a mildly abrasive paste. It will remove Rain X.


People who count on their fingers should maintain a discreet silence.
Re: Removing Rain-X - the final word? [Re: bloc] #4571479
11/12/17 06:17 AM
11/12/17 06:17 AM
Joined: Feb 2014
Posts: 1,786
Texas
Dallas69 Offline
Dallas69  Offline
Joined: Feb 2014
Posts: 1,786
Texas
Why do you want it off?
It will eventually wear itself off,it's not a lifetime deal.


2009 Galant-ultra oil and filter
1987 Ford F-150 302
Smittys 5-30
Motorcraft filter
Re: Removing Rain-X - the final word? [Re: bloc] #4571488
11/12/17 06:43 AM
11/12/17 06:43 AM
Joined: Nov 2005
Posts: 3,247
FL
mcrn Offline
mcrn  Offline
Joined: Nov 2005
Posts: 3,247
FL
From my experience you might need to replace your wipers as well after you get it off.


2012 Nissan Rogue
Re: Removing Rain-X - the final word? [Re: bloc] #4571535
11/12/17 07:44 AM
11/12/17 07:44 AM
Joined: Mar 2004
Posts: 21,108
Upstate NY
Donald Offline
Donald  Offline
Joined: Mar 2004
Posts: 21,108
Upstate NY
Won't it just go away on its own? I would not go crazy removing it.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Removing Rain-X - the final word? [Re: bloc] #4571547
11/12/17 08:12 AM
11/12/17 08:12 AM
Joined: Oct 2010
Posts: 5,410
Florida
Artem Offline
Artem  Offline
Joined: Oct 2010
Posts: 5,410
Florida
Unreal... just when I thought, how can anyone drive in the rain WITHOUT rain-x, this thread comes up.

Can the OP share his reasoning why he wants it off?

Sounds like you could have scrubbed it off already but the glass is so clean, the water will bead up naturally. Hahahaha


2014 Mazda 3 Hatch 2.0L & 6spd - Idemitsu 0w20 Synthetic @ $0.75 a quart. (thanks Advance Auto Parts for the awesome deal)
Re: Removing Rain-X - the final word? [Re: bloc] #4571548
11/12/17 08:12 AM
11/12/17 08:12 AM
Joined: Oct 2014
Posts: 1,349
NoVA
Jimzz Offline
Jimzz  Offline
Joined: Oct 2014
Posts: 1,349
NoVA
Put a strong winter formula washer fluid in your cars washer fluid tank and just run that for a second or two each morning. I've found rain-x does not last long when good washer fluid is used on it.

Any reason you don't like rain-x? I hate it can't hold up to good washer fluid so I rather mine last longer.


yup
Re: Removing Rain-X - the final word? [Re: bloc] #4571581
11/12/17 09:05 AM
11/12/17 09:05 AM
Joined: Apr 2015
Posts: 337
Upper midwest
Mainia Offline
Mainia  Offline
Joined: Apr 2015
Posts: 337
Upper midwest
I love the stuff, but don't like the wiper chatter it can give. Still use it. Especially on side windows, in Minnesota winters+.

Re: Removing Rain-X - the final word? [Re: bloc] #4571583
11/12/17 09:08 AM
11/12/17 09:08 AM
Joined: Jun 2003
Posts: 5,949
Illinois
SHOZ Offline
SHOZ  Offline
Joined: Jun 2003
Posts: 5,949
Illinois
I use BonAmi on the glass before retreating with RainX.

I first wash it and get all organic material off, then spray it again with some cleaner and sprinkle on the BonAmi. Then let it dry and polish it off with a cloth.


2008 Hyundai Accent 1.6L 5 sp manual hatchback
2010 Hyundai Genesis Coupe Track 2L Turbo 6sp manual
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