Isku-darka horumarka, waxsoosaarka iyo iibka, sida heerka ugu horreeya ee isku-darka heerka emulsifier warshad.
Habka isku-dhafka ah ee caadiga ah wuxuu ku bilaabmaa isku darka laba ama in ka badan oo monomeyayaal ah inta badan ee viscosies aad u kala duwan. Cabbirro kala duwan oo walxaha ka mid ah ayaa markaa lagu dari doonaa caqabadda dareeraha ah oo lagu qaso meel bannaan oo ka hooseysa illaa koollada isku-dhafka ah. Xaddiga xad-dhaafka ah ee buuxintu waxay u soo bandhigaan inta badan composites ilkaha si ay u baxaan. Bilowyayaasha, kuwa xakameeya iyo midabadayuhu sidoo kale waa lagu dari karaa koollada adag.
Qalabka dheecaanka ee Vakutery ee arji-raacaya arjigan waa inuu awood u leeyahay in lagu maareeyo noocyo balaaran oo viscors oo kala duwan iyo qaab sareeya.