I am not a shill for Lucas, but I do like this product: Lucas X-TRA Heavy Duty Grease
It has an excellent 4.4 star rating on Amazon (430 ratings today) and the price is right.
My Prime price is $4.98 for a 14.5 oz tube.
And, I've never had it separate in a grease gun as well... I rate it highly.
Last edited by SteveG4; 11/06/19 10:29 PM.