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Summit Racing® 2-Stage System - Low 2.1 VOC Clear Coat SUM-SWSC620G-12

Paint, 2-Stage, Low 2.1 VOC, Gloss Clear, 1-Gallon, Each

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Results 1 - 10 of 12

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Q:

How soon can I wet sand and buff this clear coat

Asked by THOMAS on September 24, 2017

A:

I waited 48 Hours to allow the clear to cure. I would wait too much longer because the clear will get too hard to work with

ALVIN G from CA answered on September 26, 2017

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A:

I used this same stuff painting my truck and I did not have the proper paint booth, I waited a week to wet sand and buff it. a lot of people told me to give it a week to fully cure if you do not have a paint booth. If you do have a paint booth I think to correct time is around 24 hours to fully cure. hope this helps.

WILLIAM from FL answered on September 29, 2017

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A:

I waited 2 days on mine.

JAMES from GA answered on October 05, 2017

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A:

Read the product information available on the website on the product page. All of the drying time info is there.

AARON from CA answered on October 03, 2017

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A:

shift








It depends on temperture and humidity,I would play it safe and wait aday.

LEROY from MN answered on September 27, 2017

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Q:

I used this clear coat over summits ss paint my first coat laid down smooth and glossy, but my second coat began to wrinkle almost instantly. can any one explain why this happen and how can I avoid this or what I did wrong etc... luckily I only got half the hood lol any input would be helpful, thanks... ps. first time painter

Asked by on July 26, 2017

A:

possibly the temperature got too hot for the activator or reducer you were using. Amid temp product will dry too fast in temps above 90 degrees

JAMES from PA answered on July 27, 2017

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A:

There could be many reasons for this. Personally this clear has been great for me. My first guess would be improper wait times between your coats or improper use of the activator. Do a little research online and follow the instructions to a "T" good look and don't give up.

AARON from CA answered on August 04, 2017

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A:

Turn up your air pressure on the paint gun. It could be other things but assuming no other contamination I would start there.

MATTHEW from MI answered on August 01, 2017

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A:

I'm assuming you did not mix-brand components (all SUMMIT). So, Chances are you didn't let it "flash off" (dry long enough) between coats. I put 3 coats of SUMMIT clear over SUMMIT 3 coats of S.S. and it came out beautiful, so not sure why you had issues. Sometimes using the wrong cleaner in your gun can also cause issues. The only time I had issues was using a hardner that was too fast for the temperature range, but that causes the paint to dry too fast and not flow out (orange peel and 'bumpy'). Paint systems are "components" - NEVER mix brands. Urethanes dilute with Xylene, good for cleaning the guns, not great for reducing as they evaporate too fast. Best to use correct hardner and reducer for your application.

PHILIP from CT answered on August 07, 2017

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A:

I know this is an old question, but for future people looking to spray their own clear, wrinkling usually has nothing to do with mixing brands or spraying on non summit paint. It's letting the first coat dry/flash for too long between coats. If you don't wait long enough, it will melt into the previous coat too well and run. If you wait too long, the previous coat will be partially cured, so when the new coat's solvent hits it, it can't flow/melt into it correctly. If you're using the correct temp hardener/reducer, typically you have an hour max (usually do more like 20 minutes) to spray the next coat or you need to wait days for it to fully cure and wet sand it to keep spraying. Anything after its starting to cure, like longer than an hour, you can't touch it again for days. And fyi, I use this clear all the time, usually with Limco reducer, sometimes I've run out and just used lacquer thinner to reduce. And have used both Limco and ppg urethane hardener with it when I had to.

RICHARD from NC answered on June 30, 2018

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+See All Answers (6) Answer This Question

Q:

I know the instructions say apply 2 Coats of this clear with about 15 mins flash time... But I would prefer actually to lay down 3 or more coats. Can this be done with good results, and does it change or increase flash times between coats at all? Am I risking wrinkling or curing issues? Thx, Dave.

Asked by DAVID on March 21, 2018

A:

Standard in custom jobs is 3 coats. When you polish it you have layers to work with. It depends on the temperature when you are laying it down. If it is warm (70°) you are good with 15 min flash time.

ANTHONY from CA answered on March 21, 2018

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A:

No problem, lay down light coat first, then next two coats,I wouldn't do too much, it's not gonna any shinier.

BRADLEY from CA answered on March 21, 2018

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A:

I have been applying a minimum of three coats of clear. Followed by an agressive color sanding and buffing. I usually wait around 20 minutes between coats. I have yet to have a problem with summit brand paint products. Gary S.

GARY from WA answered on March 21, 2018

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Q:

I accidentally mixed this clear 3 to 1 instead of 4 to 1. How big of a problem will this be? It sprayed pretty well and appears to be fine, just not sure.

Asked by DALE on December 02, 2017

A:

Thank you for your question.The Summit SWSC620G-12 2-Stage System Low 2.1 VOC Clear Coat is designed to be mixed in a 4 to 1 ratio. Mixing it in a 3 to 1 ratio will not harm anything and it will still spray fine. It will be less clear than a hardener and a little softer, but nothing to cause concern.

Summit RacingSummit Racing Answer - December 04, 2017

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A:

Hardener is required for this high quality clear. I understand you added too much, and the answer to your question is easy. I would mix a very small sample of both: 3-1 and 4-1.After two days, experiment w/ a few abrasive tests to these samples. The answer is in your test results.I would guess the product will hold up either way. I have used one company's hardener w/ another Urethane clear, even colors in a pinch...usually some slight problems result from that, but another coat after a light sanding always fixes this result.The proper chemicals/mix/chemistry is always best.

JON F from CA answered on December 04, 2017

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A:

That is fine..
Will spray better less clear than hardener..
This clear is good..just a bit "soft" for buffing for shine..still better than production clears!
No worries it may make it harder..

BILL from OH answered on December 04, 2017

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Q:

I'm looking for the product data sheet for Summit Racing Clear Coat

PRODUCT NUMBER: SUM-SWSC620G
PRODUCT NAME: SUMMIT Universal 2.1 Clearcoat

The only thing available on the Summit Racing website under the Charts & Guides section is the MSDS
The instructions link simply directs you back to the product page.


I tried accessing paintdocscom per the can label but they do not return anything either.

Thanks in advance for your help.

Asked by MICHAEL on July 20, 2018

A:

I run into the same thing looking for mixing charts which is what you are needing too. Summit needs to make these avalible

BRAD from FL answered on July 29, 2018

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A:

The only information I have been able to access is in their tool catalogue.

DAVID from MN answered on July 25, 2018

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Q:

Can I thin the clearcoat just slightly to make it lay down smoother? Which reducer should I use? Would the reducer for the urethane base coat work for this?

Asked by DANIEL on July 03, 2016

A:

Thank you for your question. Summit Racing SUM-SWSC620G-12 is not to be reduced at all, mix four parts clear coat with one part hardener and apply.

Summit RacingSummit Racing Answer - July 05, 2016

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A:

I reduce it at 4-1-1. Basf ur 50 60 or 70. It will help drying time. Good Luck! I only paint bumpers. For bigger jobs follow the directions no reducer. You need the extra time.

LEIGH from FL answered on May 08, 2017

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Q:

Two questions: I want to add some dry pearl powder to this clear to create some ghost stripes. Is this Summit clear compatible with House of Kolor dry pearl dust (#HKR-DP28C01)? What is the safe to tape time for this Summit clear (#SUM-SWSC620)? It isn’t in the product data sheet.

Asked by THOMAS on February 17, 2019

A:

Thank you for your question. The SWSC620G-12 2-stage paint is not designed to mate with the House of Kolor. It may work but it has not been tested to work together. You should be able to tape after 4-7 hours depending on drying conditions.

Summit RacingSummit Racing Answer - February 18, 2019

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Q:

Can this be reduced for better flow out . Thanks

Asked by ROGER T on December 15, 2018

A:

Thank you for your question. The Summit SWSC620G-12 2 stage paint can be reduced further if needed, however, it is already fairly thin and generally just needs the hardener.

Summit RacingSummit Racing Answer - December 17, 2018

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Q:

What is the proper mixing ratio it is not stated on can.can you send me one of your paint videos I have bought a lot of summit paint .first time with this clear coat

Asked by JEFF on September 25, 2018

A:

Thank you for your question. The directions, that include mixing instructions are here: https://static.summitracing.com/global/images/instructions/sum-pds-swsc620-02-12-10.pdf

Summit RacingSummit Racing Answer - September 26, 2018

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Q:

I need to touch up a few small spots which I burned through while wet sanding. I ran out of the clear coat hardener so my question is, can I use the primer sealer or base coat hardeners with this clear coat?

Asked by GILBERTO on July 04, 2018

A:

Thank you for your question. Each hardener is specifically formulated to compliment the parent product that it was it was intended to work with. We do not recommend substituting or cross mixing any paint products.

Summit RacingSummit Racing Answer - July 05, 2018

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Some parts are not legal for use in California or other states with similar laws / regulations

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