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Forum: Engines and Propulsion Systems 07-05-2016, 13:53
Replies: 13
Views: 3,902
Posted By thinwater
Re: Engine Impeller and Anti Freeze

Actually, PG makes it get stiff. It is not always fatal, just another factor.

It has no affect on nitrile impellers, which may account for some of the difference in experiences.
Forum: Engines and Propulsion Systems 07-05-2016, 09:48
Replies: 13
Views: 3,902
Posted By thinwater
Re: Engine Impeller and Anti Freeze

a. Yes, that was PG.

b. There is no difference in environmental harm between EG and PG. Both have equivalent, very low marine toxicity and both are equally biodegradeable, and both have very high...
Forum: Engines and Propulsion Systems 06-05-2016, 21:43
Replies: 13
Views: 3,902
Posted By thinwater
Re: Engine Impeller and Anti Freeze

It depends on the impeller material and the type of AF.

If the impeller is nitrile, it probably does not matter.

If the impeller is neoprene (much more common for cooling), neoprene is...
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