Aerokroil vs Silkroil? Which is better?

I have the silo croil and if you spray it several times in a two day period it will creep into the thread bolts and will loosen the bolts.I’ve never used a better product it’s really great you have to be patient and it will work.

I consider it to be far superior to WD-40 both as a penetrating and a lubricating oil.

Before using, should I heat the seized hex bolt, or the surrounding cast iron?

I'd let the kroil sit for a while and try it before heating. A torch is usually the 2nd to last option before drilling

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🔓 Unlock the Power of Precision Lubrication!

RAPID PENETRATION - Aerosol delivery penetrates deeper and faster than competitors.
CORROSION COMBATANT - Effectively frees bolts and fasteners from corrosion.
UNLOCKS STUCK PARTS - Loosens frozen metal components effortlessly.
SUPERIOR PERFORMANCE - Enhanced formula for unmatched lubrication and rust prevention.
LONG LASTING PROTECTION - Dimethyl silicone ensures enduring lubrication and rust defense.

The KROIL Kano Sili Penetrating Oil King Size is a powerful 16.5 oz aerosol solution designed to loosen frozen metal parts while providing long-lasting lubrication and rust protection. Its unique silicone-infused formula ensures superior penetration and performance, making it the go-to choice for tackling corrosion and freeing mechanical components.

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