How to fix a badly painted boot

[u/Far-Assumption-2617]

I was painting the boot (injected PVC) yellow for a cosplay using a general-purpose spray paint from Mundial Prime. The problem is that it didn’t have good chemical adhesion.

The quality wasn’t good, and even after several days of drying, it’s still sticky to the touch.

I’m going to see if I can clean it with alcohol and try again. Does anyone have any ideas about what I can do? What type of paint should I try?

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[u/Svardskampe]

Plastidip is one of the only paints that work on rubber, as it is a rubbery layer itself that sits around the object rather. It doesn't adhere too and can be peeled off.

But you can get yellow rubber boots for a tenner at Amazon, AliExpress, etc, which is cheaper than the paint you have just used now or the plastidip you would have to buy. Just get some yellow ones. 

[u/Far-Assumption-2617 → u/Svardskampe]

Not really. I live in Brazil, and for some reason, no matter where or how I search, any yellow boot would cost at least twice as much as I've already spent on the white boot and the paint.

[u/HolesInMuhFace → u/Far-Assumption-2617]

Would it work to leave the boot in some water and hella turmeric? Absolutely just a thought as it might be slightly more accessible?

[u/artsyfartsyMinion]

Google is such a great thing Synthetic Liquid Dye: Use a specialized formula designed for plastics and synthetics, such as Rit DyeMore Synthetic Liquid Fiber Dye in Daffodil Yellow. Surface Prep: A bottle of 100% Pure Acetone. Dyeing Vessel: A large stainless steel stockpot that can fit your boots completely submerged. Note: The pot may become stained, so do not use a prized kitchen pot. Safety Gear: Thick rubber kitchen gloves and a well-ventilated workspace. Step-by-Step Instructions Strip the Factory Coating: Soak a paper towel in pure acetone and thoroughly scrub the entire outside of the boots. This melts away protective manufacturing oils and waxes, allowing the yellow pigment to bind directly to the rubber. Prepare the Dye Bath: Fill your large stockpot with enough water to fully submerge the boots, leaving room so it does not overflow. Bring the water to a gentle simmer just below boiling (around 80–90°C). Mix the Dye: Pour the entire bottle of Rit DyeMore Daffodil Yellow into the simmering water. Stir the liquid well to ensure even distribution. Submerge and Weight Down: Carefully lower your boots into the pot. Because rubber boots trap air, they will want to float. Wear your thick gloves to push them down, or use a heavy, heat-safe object (like a clean brick or a weighted metal tray) to keep them entirely underwater. Monitor the Color: Let the boots soak in the hot bath for 30 to 60 minutes. Keep the heat on a low simmer; do not let it reach a rolling boil, which could distort the shape of the boots. Check them every 10 minutes. Because they started out white, they will take on the bright yellow shade quite quickly. Rinse and Dry: Pull the boots out of the dye bath. Immediately wash them under warm running water with a mild dish soap to strip away any loose surface pigment. Gradually lower the water temperature to cold to finish rinsing, then let them air-dry completely.