Momentive SS4155 Blue Primer – 0.85lb, RTV Silicone Adhesive Primer, Expires 11/2025, Made In USA





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This is Momentive SS4155 blue primer – it's a 0.

It's brand new and expires in November 2025, so you've got plenty of shelf life.

This stuff is used to prime surfaces before applying RTV silicone adhesives – it improves bonding on metals, glass, ceramics, and many plastics.


Just clean your surface, brush this on, let it flash off, then apply your silicone.

Momentive is a trusted name in silicones – this is the real deal, not some no-name knockoff.
Keep a can in your shop for any serious adhesive job.
It's a small investment that pays off in stronger, more reliable bonds.
Don't skip the primer – your silicone will thank you.


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FREE In store & Online Returns If for some reason, you're not 100% satisfied with your purchase, you can return or exchange quickly and easily in accordance with our Return policy. Some restrictions may apply.
PRICE MATCH Guaranteed FABIENNECONRAD.COM will gladly match the price on a qualifying item sold in store or online at a qualifying retailer. See details











