Name: Momentive A-137 Octyltriethoxysilane
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Momentive A-137 Octyltriethoxysilane

Hydrophobic surface modification agent for silica, glass, and metal oxides.
Offers excellent water repellency and reduced surface energy in coatings and sealants.
Reactive ethoxy groups enable covalent bonding with hydroxylated substrates.
Long octyl chain provides enhanced compatibility with organic polymers and resins.
Low volatility and favorable handling characteristics compared to shorter-chain silanes.

Typical Applications Of Momentive A-137 Octyltriethoxysilane

Water-repellent additives in construction sealants and grouts.
Surface treatment of fillers (e.g., fumed silica, precipitated silica) in RTV silicone elastomers.
Adhesion promoters in automotive and industrial primers for metal and glass substrates.
Hydrophobization agents in architectural coatings and protective concrete treatments.
Functional modifier in hybrid sol-gel formulations for optical and electronic coatings.

Chemical Type	Organofunctional alkoxysilane
Product Form	Liquid
Appearance	Colorless to pale yellow clear liquid
Primary Applications	Surface modification, adhesion promotion, hydrophobization
Key Features	Octyl chain, triethoxy functionality, hydrolyzable silane
Benefits	Improved moisture resistance, enhanced filler dispersion, stable substrate bonding
Storage Conditions	Store in cool, dry place under nitrogen; protect from moisture
Shelf Life	12 months from date of manufacture when stored properly

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E-mail: wangxingqiang@ericwchem.com
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