As soon as you receive your sample kit, please give it to a senior technician (or yourself ) for a thorough test. Usually the result is instant and together we will have solved a major problem in your shop.  Please scan the QR code on the enclosed sample sheet  and  complete the test result form on your smartphone. We are eager to hear your comments. Bulk version (19L pail) can be used in regular spray pump bottles. Won't harm most plastics. No ACETONE. No SMELL. Dries FAST