Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Evonik Dynasylan A Silane Coupling Agent

Evonik DynasylanA is a high-purity tetraethyl orthosilicate (TEOS) Silane Coupling Agent serving as a versatile crosslinking agent and silica precursor. This tetrafunctional compound enables the formation of stable siloxane networks through controlled hydrolysis and condensation reactions.

Features Of Evonik Dynasylan A Silane Coupling Agent

  1. High Purity - 28.5% silica content with consistent quality

  2. Tetrafunctional - Four ethoxy groups enable dense crosslinking

  3. Controlled Reactivity - Tunable hydrolysis rates with acid/base catalysts

  4. Excellent Stability - Forms durable Si-O-Si networks upon curing

Typical Applications Of Evonik Dynasylan A Silane Coupling Agent

  1. Silicone Rubber - Crosslinking agent for high-temperature elastomers

  2. Sealants & Adhesives - Moisture scavenger in one-component systems

  3. Surface Coatings - Precursor for scratch-resistant hybrid coatings

  4. Composite Materials - Binder for inorganic-organic hybrid systems

  5. Nanomaterial Synthesis - Silica source for sol-gel processes

Specifications Of Evonik Dynasylan A Silane Coupling Agent

Chemical NameTetraethyl Orthosilicate
SiO₂ Content28.5%
FunctionalityTetrafunctional
AppearanceColorless liquid
ViscosityLow
Hydrolysis RequirementAcid/Base catalyst
Shelf Life1 year (sealed)
Packaging25kg/190kg/850kg


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