The HLB value is the two parent with a hydrophilic group and the parent group. The amount between the size and strength balance between the hydrophilic and the parental base of the surfactant molecule is defined as the hydrophilic oil balance value of the surfactant. HLB's three letters separately: I in HLB H "" indicates hydrophilicity, L is "" to indicate oil, B is the meaning of balance. Also known as water and oil degree. In actual applications, the degree of parent or hydrophilic of surfactants can be judged with the size of the HLB value. The larger the HLB value, the stronger the hydrophilicity, and the smaller the HLB value. The HLB value is between 1 and 40. HLB has important reference value in practical applications. The hydrocariasis surfactant HLB is low, and the hydrophilic surfactant HLB is higher. The hydrophilic oil turning point HLB is 10. HLB is less than 10 as a car oil and more than 10 is hydrophilicity.
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