high-modulus furnace black

high-modulus furnace black

[′hī ‚mäj·ə·ləs ′fər·nəs ‚blak] (materials) A variety of carbon black made by burning oil in a deficiency of air; particle diameter is 49-60 nanometers; production is now negligible, but it was used in tire carcasses. Abbreviated HMF black.