troubleshooting low foam hardness issues with new generation foam hardness enhancer contents introduction 1.1 background 1.2 purpose 1.3 scope product overview: new generation foam hardness enhancer 2.1 composition and chemical properties 2.2 mechanism of action 2.3 product parameters and specifications 2.4 application areas causes of low foam hardness 3.1 formulation imbalances 3.1.1 insufficient enhancer dosage...