Loctite 455 prism gel, clear, low odor/low bloom, one-part room temperature cure, surface insensitive instant adhesive designed for OEM assembly of porous or absorbent surfaces where high cosmetic appearance is required and/or where vapor control is difficult. Suitable for porous surfaces and vertical or overhead applications. Loctite 455 is a general purpose cyanoacrylate adhesive gel with low odor and low blooming properties and is particularly suitable for applications where vapor control is difficult. The gel consistency prevents adhesive flow even on vertical surfaces.