will this compound work on steel machine screws?

It used to aid with conductivity for aluminum tubing and brackets used in ham radio antennas, since it contains zinc. Not sure if it works with steel, maybe use anti-seize, which contains copper, for steel ?

How is this product better or different from dielectric grease? Is it suitable for use on automobile connectors in the engine bay?

Dieledtric grease is non electrical transmitting. It helps dissipate heat evenly on a flat surface usually. The Penetrox A is made for electrical connections and for anti oxidation on aluminum parts. I use the Penetrox A for ham radio antenna assembly use. I started using Jet Lube SS-30 pure copper anti seize lubricant for electrical transmission in my antennas. As you know copper is an excellent conductor so it works very well on electrical connections, and antennas have many connections on them. The Penetrox will conduct also but the copper much more so. They both are kind of messy if you have ever used anti seize before, you know what I mean. That is about all I know, I hope I helped you in the answer I gave.

Someone knows where can I found Penetrox E ?

I think you can get it here on Amazon

What is the hmis of product?

The product does not come with the HMIS, however goggle is your friend to find out.

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BURNDY Aluminum Electrical Joint Compound, Oxide-Inhibiting, 8 oz Bottle

Product ID: 343232305

Details

Brand
BURNDY
Item form
Liquid
Material
Aluminum
Special feature
Specific uses for product
Aluminum to to

⚡UL listed to 600 V

🔗Compatible with aluminum & copper joints

🛡️Oxide-inhibiting for corrosion protection

Description

⚡ Connect smarter, last longer — don’t let corrosion slow you down!

READY WHEN YOU ARE - Stays workable under 100°F in dry storage, so it’s always job-site ready
CERTIFIED PEACE OF MIND - CSA certified and RoHS compliant for professional-grade quality and safety
VERSATILE METAL BONDING - Perfect for aluminum-to-aluminum, aluminum-to-copper, and conduit applications
SHIELD AGAINST CORROSION - Advanced oxide-inhibiting formula prevents galvanic corrosion for lasting durability
POWER UP YOUR CONNECTIONS - UL listed to 600 V ensures safe, reliable electrical performance

BURNDY’s 8 oz Aluminum Electrical Joint Compound is a professional-grade, oxide-inhibiting liquid designed to enhance and protect electrical connections between aluminum and copper metals. UL listed to 600 V, CSA certified, and RoHS compliant, it prevents galvanic corrosion and remains workable under typical storage conditions, making it an essential tool for reliable, long-lasting electrical joints.

Specifications

ASIN	B008KLX2RY
Brand	BURNDY
Colour	Cream
Compatible Material	Metal
Container Type	Bottle
Item Form	Liquid
Item Package Quantity	1
Item Volume	8 Fluid Ounces
Item Weight	0.87 Pounds
Manufacturer	Kosiy
Manufacturer Part Number	P8A
Material	Aluminum
Model Number	P8A
Number of Packs	1
Number of Pieces	1
Other Special Features of the Product	Oxide-Inhibiting
Specific Uses For Product	Aluminum to Aluminum, Aluminum to Conduit, Aluminum to Copper
UPC	729198267278 781810592557
Water Resistance Level	Not Water Resistant

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