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What are the reasons for the contamination of the furnace chamber of the vacuum furnace?

What are the reasons for the contamination of the furnace chamber of the ਵੈੱਕਯੁਮ ਭੱਠੀ?

1. Leakage: This is one of the main causes of equipment pollution.

2. Diffusion pump and mechanical pump pump oil back to the furnace.

3. Parts or fixtures are not thoroughly cleaned.

4. Low melting point metals are brought into the ਵੈੱਕਯੁਮ ਭੱਠੀ. Lead, aluminum, zinc, etc. are all common pollutants.

5. Environmental pollution in the heat treatment workshop.