AS 4020 pdf download – Testing of products for use in contact with drinking water

AS 4020 pdf download – Testing of products for use in contact with drinking water NOTE: The unit of colour is the Hazen Unit(HU).3.3Composite product A product in which more than one type of material is in contact with drinking water,e.g. aproduct having both metal and plastic exposed surfaces. NOTE: Where the composite product is wholly metallic, it is tested...