Secondary Working Flash Point standards - ISO 17025 / ISO Guide 34
Secondary Working Standards (SWS’s) are flash point standards manufactured and certified by Paragon according to ISO 17025 and ISO Guide 34. These standards are designed to be used on a frequent basis in order to verify test equipment functionality on an on-going basis. These are secondary working standards, which have been characterised in accordance with ASTM D92 or ASTM D93. They are suitable for monitoring the equipment between annual verification checks as specified in ASTM D92 or ASTM D93.