Jambo

Hi I used Ceracote ceramic coating on black plastic of jet ski and same happened went white. I didn't give enough time to dry and it got wet in rain made a real mess of plastic trim. I managed to get the ceramic coat off using vinegar and a non abrasive dish washing pad first time round trim doesn't do much but think once vinegar gets into it you then see it come off went round trim about 3 times and ceramic coating and white mess came off. Scared to use ceramic coating again