Paragon Scientific Limited specialise in the production of premium quality reference materials that include Density, Flash Point, Liquid Colour, Refractive Index, Sulfur, TAN/TBN and Viscosity standards. Founded in 1994, we have developed an international reputation synonymous with quality, prompt delivery, affordability, and first class customer service. A combination of advanced manufacturing techniques, the use of Primary laboratory test equipment and our acute attention to detail enables us to produce reference materials with some of the lowest levels of uncertainty of measurement available. Our products are used in multiple industries throughout the world, which we service both directly from our headquarters in the UK and via our appointed worldwide distributor network. You can trust that we will deliver high quality products in the fastest possible time to your laboratory. Accreditation For detailed information on our ISO 17025 accreditation click here: (http://www.paragon-sci.com/accreditation/) For detailed information on our ISO 17034 accreditation click here: (http://www.paragon-sci.com/accreditation/)