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I am going to paint some routed out white sintra letters today...a bunch. I am going to use a product called Grip-flex and sprayed out of one of those hardware store aerosol spray setups. Should this stuff be reduced? What ratio? My supplier mixed up a special green color and put it in a qt. can with no label or instructions. Thanks, Can you tell I'm a vinyl guy and doesn't know a darn thing about paint?
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No, no no. Don't use that unless it's a two part setup. "GripFlex" is a TWO part system with reducer. If The stuff you're about to buy is one part, it's a "reasonable facsimile". All you need to do is completely sand the Sintra with a 300grit and spray it with a good acrylic enamel or enamel. We use the real GripFlex regularly on Lexan and it's the perfect application. You can too if it's the right system. If it's GripFlex you'll be mixing specific parts. Is there anything other than the one can he gave you?? St.Marie Graphics & Makin' Tracks Sound Studio Kalispell, Montana stmariegraphics@centurytel.net http://www.stmariegraphics.com 800 735-8026 We're chiseling every day of the week! :^)
[This message has been edited by pierre (edited November 04, 2000).]
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My first choice would be to try KRYLON and see if it sticks. I have rolled 1 shot red on 1/2 thick Sintra and ithas lasted 6 years and counting. I sanded it first.
Im not so sure if acrylic latex enamel will stick, but acrylic enamels should work pretty good.
It depends on where its going, and how long you need it to last. If its really got to hold up, have a body shop use automotive paints on it ( which I really would only try in desparation)
------------------ Draper The Signmaker Bloomington Illinois USA Stop in and visit a while! 309-828-7110
Posts: 2883 | From: Bloomington Illinois USA | Registered: Nov 1998
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Dave's right about Acrylic Latex being long haul questionable, but Acrylic ENAMEL does work extremely well. The ultimate for smooth and longevity seems to be actual GripFlex or Matthews.
------------------ St.Marie Graphics & Makin' Tracks Sound Studio Kalispell, Montana stmariegraphics@centurytel.net http://www.stmariegraphics.com 800 735-8026 We're chiseling every day of the week! :^)
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I forgot about the method we use very often. We cut sintra copy with our router and then use the same program to cut the copy out of film. Perfect fit, dead smooth and good for a very long time. No sanding.
------------------ St.Marie Graphics & Makin' Tracks Sound Studio Kalispell, Montana stmariegraphics@centurytel.net http://www.stmariegraphics.com 800 735-8026 We're chiseling every day of the week! :^)
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Tony, We spray Grip Flex every day. It works great on Expanded PVC (Sintra). The stuff we use is one part. Thinning varies depending on color. White needs the most, almost 1/2 and 1/2. Although you can thin with xylene, we always use the Grip Flex "Lexan" thinner ( I think it's T2003 Thinner, just in case we use the same color on a lexan job. Xylene will ruin lexan. We use conventional 90 lbs./sq.in. pressure. It dries very fast, you can recoat in a few minutes. Add a bit of fish eye remover to prevent the nasty little fish eyes. I've always had problems with tac cloths, we whipe the substrate with a well rung out chamois prior to spraying. We often screen print vinyl ink onto sintra, if we we are doing many smaller pieces. It forms a great bond.
------------------ Duncan Wilkie aka signdogwww.commercialsigns.com Edmonton, Alberta Home of the 2001 World Athletic Championships "The Worlds"
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Whoops! A new one? I guess I thought I knew GripFlex. There's a ONE part system now? Who's selling it? It would be a lot easier than mixing three parts.
------------------ St.Marie Graphics & Makin' Tracks Sound Studio Kalispell, Montana stmariegraphics@centurytel.net http://www.stmariegraphics.com 800 735-8026 We're chiseling every day of the week! :^)
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Thanks for the advice...we ended up thinning the grip-flex with T2004 thinner...worked very well. Hats off to you painter types...not as easy as I thought. Also cleaning up a spray gun...yuuck! Now I gotta go hand paint the sides.
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I'm getting ready to coat 10 sheets of PVC in the next few days. I ordered a gallon of Naz-Dar 79-000 series screen ink. I have the sign masked off and plan on thinning the ink down to spray consistency and shooting it at the end of a day.
Anybody have any comments?
------------------ Pat Neve, Jr. Sign Man, Inc. 4580 N. US 1 Melbourne, FL 32935 321-259-1703 signman@signmaninc.com Capt. Sign Letterville Constituent constituent: "One of the individual entities contributing to a whole"
Posts: 2284 | From: Melbourne, FL, USA | Registered: Jan 1999
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We have been using Deka water based sign enamels on our PVC panels and cutouts.It doesn’t have quite the gloss level as some of the other paints mentioned. The advantages are...water based, easy clean-up...no primer or sanding needed, just make sure the substrate is clean...good colors, fast drying.
It’s workes for us.
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Posts: 27 | From: Whitehall, Pa USA | Registered: Oct 2000
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In the past, we would have to experiment when products were not available.
I've had success when spraying pvc, by adding 2 cap fulls of laquer thinner to my quart of pre-thinned one shot enamal. The mineral spirits takes a little bit of the bite out of the laquer thinner, too much laquer thinner will curdle the mix. This is an older trick of spayers when dealing with plastic auto parts like bumpers.
Play around with it, try some different mixes, if you dont have time, make some panels while your working on this job for the future.
Good Luck
------------------ Ron Percell Percell Signs 707-769-0639 Petaluma, California
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