Name: Shin-Etsu KBM-603 N-(2-Aminoethyl)-3-aminopropyltrimethoxysilane
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Shin-Etsu KBM-603 N-(2-Aminoethyl)-3-aminopropyltrimethoxysilane

Bifunctional amino-silane with two distinct primary amine groups—highly reactive toward epoxy, isocyanate, and carboxylic acid functionalities.
Trimethoxysilyl group enables robust covalent bonding to glass, metals, and mineral surfaces via hydrolysis and condensation.
Excellent hydrolytic stability in anhydrous solvents, facilitating extended shelf life and consistent performance in formulation processes.
Enhances interfacial adhesion and dispersion in composite systems containing fillers such as silica, clay, or calcium carbonate.
Low volatility and favorable handling characteristics compared to analogous aminopropyltriethoxysilanes.

Typical Applications Of Shin-Etsu KBM-603 N-(2-Aminoethyl)-3-aminopropyltrimethoxysilane

Epoxy resin modifiers for high-performance adhesives and structural composites.
Surface treatment agent for reinforcing fillers in rubber compounds (e.g., silica-filled tires).
Coupling agent in polyurethane coatings and sealants to improve substrate wetting and bond durability.
Functionalization reagent for silica nanoparticles in biomedical and diagnostic material development.
Adhesion promoter in automotive OEM and refinish coating systems on metal and plastic substrates.

Chemical Type	Bifunctional aminoalkyl alkoxysilane
Product Form	Liquid
Appearance	Colorless to pale yellow clear liquid
Primary Applications	Adhesion promotion, filler surface modification, epoxy/PU formulation
Key Features	Dual primary amine functionality, trimethoxy silylation, hydrolytically stable
Storage Conditions	Store in tightly closed containers under dry, inert atmosphere at 5–30 °C
Shelf Life	12 months from date of manufacture when stored properly
Safety Classification	Corrosive (Skin Irrit. 2, Eye Dam. 1); handle per SDS

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