Gilsonite "Natural Asphalt, Natural Bitumen" quality program
All testing laboratories participate in an international proficiency test scheme for the product.
These round robin tests act as a performance indicator and help to maintain a consistently high level of quality and assurance from our labs.
Chemical Mine World inspections the cargoes are carried out on the basis of accepted petroleum and petrochemical standards such as ASTM, GOST, API, MPMS, UOP, IP or EN testing methods and specifications as set out by ISO, CEN or national and regional standards-setting organisations.