Name: Evonik Dynasylan IBTMO Isobutyltrimethoxysilane
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Evonik Dynasylan IBTMO Isobutyltrimethoxysilane

High hydrolytic stability due to sterically hindered isobutyl group.
Excellent compatibility with organic polymers and inorganic substrates.
Efficient coupling agent for silica, glass, and metal oxide fillers.
Low volatility and favorable handling characteristics compared to smaller alkyl silanes.
Enables improved mechanical strength and moisture resistance in composite systems.

Typical Applications Of Evonik Dynasylan IBTMO Isobutyltrimethoxysilane

Surface modification of fumed and precipitated silica in silicone rubber compounds.
Adhesion promotion in sealants and adhesives based on silicones, polyurethanes, and epoxies.
Reinforcement aid in high-performance composites for automotive and aerospace components.
Moisture scavenger and crosslinker in RTV-1 and RTV-2 silicone formulations.

Chemical Type	Organofunctional alkoxysilane
Product Form	Liquid
Appearance	Colorless to pale yellow clear liquid
Molecular Formula	C₇H₁₈O₃Si
Boiling Point (at 1013 hPa)	~195–200 °C
Density (at 20 °C)	0.94–0.96 g/cm³
Refractive Index (at 20 °C)	1.390–1.395
Solubility	Miscible with common organic solvents (e.g., alcohols, ketones, aromatics); hydrolyzes in water

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