Process
Porosity sealing is a four step process:
- Air within the pores is expanded under reduced pressure (vacuum).
- Pressure reversal (adding pressure outside the part) saturates pores with monomer.
- Excess monomer is rinsed from the exterior surfaces of the part.
- The liquid monomer within the porosity is polymerized into a solid to seal the passage.
Read more about this topic: Porosity Sealing
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