Fusion Extender is excellent for those wanting a longer working time with paint before it begins to dry -- providing additional time to reduce brush strokes and roller marks. Cure time will also increase, relative to how much Extender is used.
Mix 15ml of Extender into a 500ml pot. Adding more is not recommended as it will impact your drying and curing time. Once mixed with Fusion Mineral Paint, apply paint as usual. Wait at least 4 hours between coats when using Extender. If applying your second coat lifts off the first, too much Extender was used or it needs more time to dry between coats. It's advisable to mix up smaller batches as you need them because once paint is mixed with Extender, it must be used within a couple of days.