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Sai
Bronze Member - 1 or more posts
Posted
In case of Gear Oil 80W-90, If i am getting pour point -27 only by adding 0.3% pour point depressant then Why more pour point depressant
( about 1.0%) is used in 80W-90, is it plays any role in Brookfield viscosity
 
Posts: 2 | Location: Mumbai | Registered: Wed October 24 2007Reply With QuoteEdit or Delete MessageReport This Post
Double Platinum Member - 100 or more posts
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using "extra" PPD will help the Brookfield viscosity and will raise the vis like a VII.
bruce
 
Posts: 171 | Location: SF Bay Area | Registered: Fri July 15 2005Reply With QuoteEdit or Delete MessageReport This Post
Gold Member - 25 or more posts
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Any down sides to adding more PPD, Bruce?
 
Posts: 33 | Location: Las Vegas | Registered: Mon November 05 2007Reply With QuoteEdit or Delete MessageReport This Post
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PPD is not a cheap additive.Its cost is very high.I think,extra PPD can enhance the CCS viscosity also.
 
Posts: 93 | Registered: Thu December 16 2004Reply With QuoteEdit or Delete MessageReport This Post
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