Appearance

Off-white

powder

Inspection Method: Observe the color of the liquid visually.

PH

(concentration of 5%)

9~11

Inspection  Tools: Electronic PH Meter.

Inspection Method: Use an electronic pH meter that has been calibrated in a calibration solution to measure the sample taken out.

Viscosity

(concentration of 5%)

1000cP

Inspection  Tools: Brookfield viscometer.

Inspection Method: Put the sample into a large caliber beaker or bottle, select the 3# rotor for installation and debugging, immerse the rotor in the sample until the mark, select the speed of 10RPM, and measure the viscosity value.