AS 3558.10-1999 (R2016) pdf free.Methods of testing plastics and composite materials sanitary plumbing fixtures - Method10:Determination of thermal expansion under load of laundry troughs. 1 SCOPE This Standard sets out a method for determining the limits of thermal expansion under load of plastics laundry troughs. 2 PRINCIPLE The trough is mounted in accordance with the installation instructions. Marks are scribed...