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The Mapei Group has been publishing a two-monthly magazine in Italian and English since 1991. Adriana Spazzoli was the editor-in-chief of the magazine called Realtà Mapei for 28 years until 2019. 160,000 copies of the magazine are distributed all over Italy and 22,000 copies of Realtà Mapei International are published worldwide.
Tiling grout is often used to fill the spaces between tiles or mosaics and to secure tile to its base. Although ungrouted mosaics do exist, most have grout between the tesserae. Tiling grout is also cement-based, and is produced in sanded and unsanded varieties, which affects the strength, size, and appearance of the grout. [6]
Pressure grouting or jet grouting [1] involves injecting a grout material into otherwise inaccessible but interconnected pore or void space of which neither the configuration or volume are known, and is often referred to simply as grouting. The grout may be a cementitious, resinous, or solution chemical mixture. Some types of injected grout may ...
Induction sealing also offers advantages when sealing to glass: Using a conduction sealer to seal a simple foil structure to glass gives no tolerance or compressibility to allow for any irregularity in the glass surface finish. With an induction sealer, the contact face can be of a compressible material, ensuring a perfect bond each time.
A schematic of a grout curtain, see drill holes and grouted area. A grout curtain is a barrier that protects the foundation of a dam from seepage and can be made during initial construction or during repair. [1] Additionally, they can be used to strengthen foundations and contain spills.
Sealants were first used in prehistory in the broadest sense as mud, grass and reeds to seal dwellings from the weather [3] such as the daub in wattle and daub and thatching. Natural sealants and adhesive-sealants included plant resins such as pine pitch and birch pitch , bitumen , wax , tar , natural gum , clay (mud) mortar, lime mortar , lead ...
Small impulse sealer Heat-sealed material lies on a warehouse floor. Notice the corded heat sealer to the left. Heat sealer used to prepare plastic bag of lettuce for shelf life testing Continuous band heat sealer. A heat sealer is a machine used to seal products, packaging, and other thermoplastic materials using heat. This can be with uniform ...
The other production route for epoxy resins is the conversion of aliphatic or cycloaliphatic alkenes with peracids: [13] [14] In contrast to glycidyl-based epoxy resins, this production of such epoxy monomers does not require an acidic hydrogen atom but an aliphatic double bond. The epoxide group is also sometimes referred to as an oxirane group.