Question 1

Would this be slick enough to keep squirrels off my bird feeders?

Accepted Answer

No. Squirrels are too inventive. You can't keep them off. High velocity projectiles will work on an individual basis, but the body count will exhaust your capacity and inclination to dispose.

Question 2

Is this a lithium base grease or synthetic for high temps applications?

Accepted Answer

Lithium and synthetic are two different things when used to describe a grease. The BASE OIL used for the grease is either synthetic (e.g., polyalphaolefin) or natural (i.e., mineral oil). Lithium and other materials (e.g., polyurea which this grease uses, clay, teflon, etc.) are the FILLERS added to the base oil to make it a grease, along with various additives (antioxidants, extreme pressure, corrosion prohibitors, etc.) that are included for specific applications. Just like synthetic and conventional/mineral oil engine oils, synthetic based lubricants are more robust and will not break down as easily or quickly as conventional/mineral oil-based products.
As another person mentioned, I have not been able to determine if or which Lucas Oil greases are based on synthetic or mineral oils which is frustrating and important to know.

Question 3

is it compatible with lithium base grease

Accepted Answer

According to the technical data sheet it's "shear stable" polyurea, which is compatible with lithium, so yes to the question.  Regular polyurea isn't.  Technical data sheet= http://lucasoil.com/pdf/TDS_XtraHDGrease.pdf        Grease compatibility chart= http://www.machinerylubrication.com/Read/1865/grease-compatibility

Question 4

Is this grease safe for contact with plastic or rubber? I am a R.C. Model enthusiast and the gears are in contact with pastic and rubber components.

Accepted Answer

This grease is safe for contact with most plastic and rubber compounds -- HOWEVER --
This grease is TOO THICK to be used for Radio-Controlled models. The high viscosity of this grease absorbs power from the small motors.
 Best lube for your R.C. stuff is "Aladdin MAGIC LUBE" (Amazon has it ) -- it's a Teflon-based, colorless, hi-temp, food-grade lubricant that is perfect
 for the tiny gears and bearings found on R.C. models.

ASIN	B000IG20RW
Best Sellers Rank	#88,621 in Automotive ( See Top 100 in Automotive ) #333 in Automotive Greases & Lubricants
Brand	Lucas Oil
Brand Name	Lucas Oil
Container Type	Tube
Customer Reviews	4.7 out of 5 stars 3,863 Reviews
Global Trade Identification Number	00182682948785, 06391847905547
Included Components	1 grease tubes
Item Form	Grease
Item Type Name	heavy duty grease
Item Weight	0.43 Kilograms
Item weight	0.43 Kilograms
Liquid Volume	1 Gallons
Liquid volume	1 Gallons
Manufacturer	Lucas Oil
Material	Ceramic
Model Number	10301
Number of Items	1
Number of Packs	1
Package information	Tube
Part Number	10301
Recommended Uses For Product	Cartridge
Recommended uses for product	Cartridge
Specific Uses For Product	Automotive, Agricultural, Industrial, Lube
UPC	182682948785 049807103019
Unit Count	14.5 Grams

Lucas Oil 10301 Heavy Duty Grease, 14.5 oz.

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