Last layer of primer
Thread Starter
Drifting
Joined: Feb 2005
Posts: 1,583
Likes: 5
From: Richardson Tx.
Last layer of primer
I'm in the process of stripping the hood and am down to the layer of Epoxy Primer that was on the car. What is the best way to bring this down to the bare glass? What sand grit would be appropriate?
thanks
thanks
Race Director
Joined: Sep 1999
Posts: 11,361
Likes: 383
From: Plano TX
Are you sure it's epoxy primer? Factory used lacquer primer which is removed with lacquer thinner, scuffpads and (lots) of elbow grease.
Nutsy: You always want to get down to the 'glass. Don't want to put a modern urethane paint on top of 30-40 year old lacquer.
Nutsy: You always want to get down to the 'glass. Don't want to put a modern urethane paint on top of 30-40 year old lacquer.
Le Mans Master
Joined: Jul 2006
Posts: 8,117
Likes: 104
From: charlotte north carolina
why do you think all the epoxy has to be removed? if it didn't come-out smooth, just sand the rough spots and re-spray (of course sand the entire hood for better adhesion). use the coats of epoxy as blocking coats. and if the glass needs to be repaired, the epoxy resin will bond to the epoxy primer.
Thread Starter
Drifting
Joined: Feb 2005
Posts: 1,583
Likes: 5
From: Richardson Tx.
My painter wants to start over due to a bubble that keeps popping up..We want to get down to the glass and give it a good clean/prep in case there is some cantaminates.
Anyone have a good method to remove the layer of SPI Epoxy primer?
Anyone have a good method to remove the layer of SPI Epoxy primer?
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Le Mans Master
Joined: Jul 2006
Posts: 8,117
Likes: 104
From: charlotte north carolina
start with 80 grit, when you start to see glass, go to 150 or 180. don't worry about going too deep, a thin layer of filler will rebuild the contours. if there's oil in the glass (someone went crazy with pb blaster ?) you'll have to remove a much deeper layer of material and then build it back to the proper contour. if you try to use solvents to clean the oil, all you'll succeed in doing is spreading the oil deeper into the glass.
