1. Waterproofing before testing the green density, sintered density, and oil content of powder metallurgy.

2. Waterproof treatment before testing the green density and sintering density of magnetic materials, precision ceramics, silicon carbide, and refractory materials.

3. Saturated water treatment during the basic density test of wood.

4. Saturated water treatment operations during the bulk density test of the absorbent sponge.

5. Equipment for drawing vacuum when turning molds, making epoxy, silicone, and wax models.

6. Saturated water treatment during the bulk density test of EVA/PE foam.

7. The equipment to extract vacuum when researching and experimenting on porous water-absorbent materials.

1. This machine has two vacuum extraction time settings Timer 1 and Timer2.  It can be timed from 0 to 99 minutes.

2. This machine has the function of injecting liquid into the vacuum desiccator.

3. Liquid injection hole: 
     Through the liquid inlet switch, liquid can be injected into the vacuum vessel to meet the detection of oil content and apparent porosity of porous materials.

4. Pressure regulator: 
    The vacuum pressure can be adjusted to match the testing of different materials. 
     In the process of removing air bubbles in the powder and particles, a pressure regulator can be used to prevent the powder from spraying out or overflowing from the pycnometer.
     In the process of removing the bubbles of the viscous liquid, a pressure regulator can be used to avoid splashing or overflow of the viscous liquid.