Preparation method:

1. Dissolve sodium dodecyl sulfate with water. If it is insoluble, heat the solution slightly (at 30? 5 ℃).

2. Nonylphenoxy polyoxyethylene alcohol ether and non Guozi emulsifier were added to the above solution respectively, and then mixed evenly.

Physical property:

PH (original solution)               6.7

PH (1% solution)                     6.1

Viscosity (MPA · s)                  40

Specific gravity                     1.01