Product Types
HFRR - High Frequency Reciprocating Rig
Results of HFRR (High Frequency Reciprocating Rig) test in Ultra Low Sulfur Diesel treated with Primrose's Premium Diesel Additive Winter Power No. 4033 The HFRR is used to evaluate the lubricity of petroleum fuels by measuring Wear-Scar diameter in microns.

  Untreated   Percent Improvemment  
AMOCO ULSD #2-D 448 360 24.40%
BP ULSD #2-D 328 295 11.20%
Marathon ULSD #2-D 405 352 15.10%