Grade Dropping point [°C] Ash [%] BfR FDA Dosage [phr] Literature Pure zinc soaps DOG-Kontakt 32, DOG-Kontakt 37, DOG-Kontakt 41, DOG-Kontakt 42, DOG-Kontakt 44 Dispergum PT 102.5 ± 7.5 13.0 ± 1.0 + + 2 - 5 Dispergum E 83 ± 5 13.0 ± 0.5 + + 2 - 5 Zinc soap with paraffinic lubricants Dispergum R 97 ± 5 10.2 ± 0.5 - + 2 - 5 Zinc soap with inorganic dispersants Dispergum K 101 ± 5 24.5 ± 0.5 + + 2 - 5 Zinc soap / fatty acid ester compound Dispergum GT 102.5 ± 7.5 16.5 ± 1.0 - - 3 - 5 Zinc / potassium soap Dispergum ZK 95±5 13.5 ± 1.0 + + 2 - 5 Laboratory Report 4553