Below is a list of frequently asked questions with regard to impregnating different materials for different applications.

Click on any question to go to the answer page.

What is impregnation?

What does impregnation do?

What is porosity?

How does impregnation improve product quality?

How much does impregnation cost?

Can impregnation save energy?

What materials can be impregnated?

What are the requirements of impregnants?

What impregnants are used?

What temperatures will the impregnant withstand?

What size porosity can be sealed?

What pressures will the impregnant withstand?

Can cracked or unsound castings be reclaimed by impregnation?

Will impregnants vibrate loose or fall out?

How long will the impregnant last?

What else will impregnation do?

Can impregnation cure surface flaws?

Should impregnation be carried out before or after machining?

How does one evaluate the effectiveness of impregnation?

Should pressure testing be done before or after impregnation?

What size castings can be impregnated?

Will impregnation distort, discolor or damage castings in any way?

Will the fluids which my casting will handle be compatible with the impregnating material?

What kinds of castings or powdered metal parts can be impregnated?

What is the Impco Process?

What does "Dry-Vacuum-Pressure" impregnation mean?

What are the advantages of Dry-Vacuum-Pressure impregnation?

What about environmental considerations?

By whom is the Impco Process approved?

Can we impregnate our own parts in our own plant?

What about material quality?