<https://www.ukworkshop.co.uk/threads/rustins-plastic-coating-straight-from-the-horses-mouth.61190/>
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"After trying this product and having problems, I noticed a lot of other people having similar problems, ie pitting, uneven surface etc.\nI took the liberty of contact the rustins help line and as it happened I was put through to the gentleman that helped to formulated the product who gave me the following advice:\n1. ONLY use the directions for the mixing formula (4 parts coating to 1 part activator, and health and safety advice)\n2. Leave each coat as long as possiable bbefore rubbing down and applying the next coat, he recommended 3 ~ 4 hours, the reason for this is that the surface will harden very quickly however the underneath will remain soluable for approx 2 hour and can be reactivated by another coat but the surface will not. Thus leading to wrinkling, or a pitted finish.\n3. Inital rubbing down should be done using 600 grit wet and dry followed by 0000 wire wool to apply a key for the next coat, only start to progress to a finer grit when you are ready to apply the final coat.\n4. Try to avoid using it on a product that has been assembled using PVA or water based glue, as the coating can sometimes react against the pva glue and cause you problems later on. He said the best glue to use is Polymite (formally known as Cascimite) or any resin based gue.\n5. He also stated that the critic phase is NOT reasched untill at least two days after the final coat and that he had used the product over the space of a week on the same projects a number of times and NEVER reached the critic phase.\nWhen I told him that this is NOT what the instructions for use say he said< quote \"I don't know who wrote them but they are incorrect\"\nAfter following his instructions I have obtained a finish that I have never achieved before and I will certainly continue to use this product as per his instructions.\nWhen I have compleated the project which is and exam piece for the city and guilds deploma in cabinet making I shall post a few pictures so you can see the finish I have been able to obtain."
<https://www.ukworkshop.co.uk/threads/rustins-plastic-coating-straight-from-the-horses-mouth.61190/>