n-Octyltriethoxysilane

Chemical Formula: C14H32O3Si

CAS No.: 2943-75-1

Dangerous Grade: NO

Technical Data of n-Octyltriethoxysilane

ITEMS	SPECIFICATION
Appearance	Colorless transparent liquid
Reactive index(n25D)	1.4170±0.0050
Assay	98%

Package and Storage:

180kg/drum or 850kg/IBC drum

Store in a cool, dry place. Keep container closed when not in use

Application /Application Industries:

Concrete

Inorganic pigment

Solvent

CG-N823 Silane ishigh purity, undiluted Noctyltriethoxy-silane. Whendiluted with an appropriate solvent, it can be used in the formulation of water repellent products. Upon proper application, the formulated product will penetrate and provide water repellency by chemically reacting with the cementitious substrate. Treated substrates are hydro-phobic and retain their original appearance. CG-N823 Silane can also be used to improve the compatibility of mineral fillers or pigments in polyolefins or to ease their dispersion in nonpolar matrices.

CG-N823 Silane is a small molecule to allow for deep penetration into the cementitious surface. This material reacts with moisture in the air and n the substrate in the presence of an alkaline or acidic environment to produce hydroxy groups. These hydroxy groups will bond with the substrate and tself to produce a hydrophobic treatment that inhibits water absorption into the substrate. An alkaline environment, such as new concrete, will catalyze the reaction and speed the formation of the hydrophobic surface.

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