how is this different from a rust converter

It is not different. It IS rust converter. Extend is the Loctite brand name for its rust converter.

My frame has tiny spotted/speckled rust areas. Will this product still adhere okay with paint inbetween the many rust spots?

It worked fine for me and I had a similar situation. If the area is not too big, you could just sandpaper it, then put the loctite stuff on and paint it later.

The description says it's an aerosol, but the picture looks like a bottle. Which is it?

Judith,The Locktite product that I have purchased are the small bottles with applicator brushes for delicate work. I have no experience with the 235285 product. I would say just by looking at the picture that it is not an aerosol. I hope you find a definite answer from someone who has actually purchased the Henkel 235285 product. Good luck! The product which I use (small bottle with applicator brush does a good job.

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Loctite Extend Rust Neutralizer

Product ID: 7461131

Details

Brand
Loctite
Color
Black
Finish Type
Brushed
Full Cure Time
24 Hours
Included Components
Surface
Item Form
Liquid

⚡Fast 20-min set time

🎨Paintable with oil/lacquer-based coatings

🛡️Rust converts to protective black primer

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$55.77

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In stock

Sold byAmazon EcuadorDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Turn back time on rust — restore, protect, and impress!

RAPID RUST RESCUE - Sets in just 20 minutes per coat for swift project turnaround
TRANSFORM PROTECT - Chemically converts rust into a durable, paint-ready black surface
EFFORTLESS APPLICATION - Simple brush-on liquid formula that stops rust and primes in one step
UNIVERSAL METAL SAVIOR - Works seamlessly on iron, steel, grills, pipes, cars, and more
SUSTAINABLE RESTORATION - Save money and the planet by repairing instead of replacing rusted metal

Loctite Extend Rust Neutralizer is a fast-acting liquid treatment that chemically converts rust on iron and steel into a stable black primer surface. Ready for oil or lacquer-based paint, it sets in 20 minutes per coat and fully cures in 24 hours, making it the go-to solution for homeowners and pros to restore and protect metal surfaces like grills, railings, pipes, and vehicles—saving you costly replacements with trusted Henkel performance.

Specifications

ASIN	B001000VS0
Best Sellers Rank	#12,578 in Automotive ( See Top 100 in Automotive ) #46 in Care Corrosion & Rust Inhibitors #660 in Oils & Fluids
Brand Name	Loctite
Color	Black
Container Type	Bottle
Customer Reviews	4.6 4.6 out of 5 stars (1,964)
Finish Type	Brushed
Full Cure Time	24 Hours
Global Trade Identification Number	00079340811386
Included Components	Surface Treatment
Item Form	Liquid
Item Type Name	Surface Treatment
Item Volume	8 Fluid Ounces
Item Weight	0.64 Pounds
Manufacturer	Henkel
Model Name	LOCTITE
Model Number	1381192
Part Number	1381192
Size	8 oz
UPC	079340811386

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TrustScore 4.5 | 7,300+ reviews

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