Eazymix Halftime Plaster Accelerator Sachet (1 per 12.5Kg of Plaster)?reduces the setting time of plaster by up to 60 minutes and is ideal for smaller, quicker jobs. Designed for use with all finishing plasters (including multi finish, finish plaster and board finish plaster) and often seen used for small walls, ceilings and patching. Simply use one sachet of Eazymix Halftime Plaster for every 5.5 litres of water (approximately 12.5Kg of plaster) for a convenient way of speeding up plaster setting times, depending on the ambient temperature and relative humidity of the working environment. Offering the ability to achieve an improved finish from less trowelling up (and no detrimental effects) with the comfort of being manufactured and tested to BS EN 13279-2:2014.