Standard Heater Tubes fully satisfy the requirements of ASTM D3241, the Jet Fuel Thermal Oxidation Stability Test.
The defining feature of our product is its exceptional quality. That quality is unmatched in the industry and is ensured by our unique, patented, tube finishing process that guarantees a superior surface.
ASTM D3241 is designed to create deposits on the heater tube if there are certain types of impurities in the jet fuel. The fuel quality is rated visually by comparing the heater tube with a standard color chart under 3x magnification. A high-quality tube finish makes deposit rating easier and more consistent.