Samples before cleaning. The surface of the ceramic aluminum-coated wafer is waxed, and the customer hopes to find a water-soluble cleaning solution to remove the wax without damaging the aluminum metal layer.

Use the special water-based paint stripper AHLR03-D2 for aluminum alloy, heat the agent to 100~110℃, put it into the wafer and soak it.

After 10 minutes, I took out the flush water and found that it was all washed.

For comparison, the left side of the picture below is before cleaning, and the right side of the picture below is after cleaning.