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

Evonik Dynasylan M2-AC2 Dimethyldiacetoxime silane

Evonik Dynasylan M2-AC2 dimethyldiacetoxysilane is a reactive coupling agent in the Dynasylan® silane series. It enhances adhesion between organic polymers and inorganic substrates like glass, metals, or minerals. Widely used in sealants, adhesives, and coatings, it offers excellent hydrolytic stability and fast cure kinetics without corrosive by-products.
  • evonik dynasylan m2 ac2 dimethyldiacetoxime silane_529fedbc
  • evonik dynasylan m2 ac2 dimethyldiacetoxime silane_529fedbc

Features Of Evonik Dynasylan M2-AC2 Dimethyldiacetoxime silane

  1. Highly reactive diacetoxysilane offering rapid crosslinking under ambient conditions.

  2. Excellent adhesion promotion to glass, metals, and mineral substrates without primer.

  3. Low volatility and reduced acetic acid emission compared to monoacetoxysilanes.

  4. Hydrolytically stable in anhydrous formulations; enables extended shelf life in sealants and adhesives.

  5. Compatible with common silicone polymers, resins, and fillers used in high-performance elastomers.

Typical Applications Of Evonik Dynasylan M2-AC2 Dimethyldiacetoxime silane

  1. Neutral-cure silicone sealants for architectural glazing and façade systems.

  2. Moisture-curing polyurethane and hybrid polymer adhesives for automotive assembly.

  3. Reinforced elastomeric coatings requiring strong substrate bonding on concrete or steel.

  4. Primers and coupling agents in fiber-reinforced composites (e.g., GFRP).

  5. Functional additives in anti-corrosion coatings for industrial maintenance applications.

Specifications Of Evonik Dynasylan M2-AC2 Dimethyldiacetoxime silane

Chemical TypeDimethyldiacetoxysilane
Product FormLiquid
AppearanceColorless to pale yellow clear liquid
Density (20 °C)Approx. 1.04–1.06 g/cm³
Refractive Index (20 °C)Approx. 1.415–1.425
SolubilityMiscible with common organic solvents (e.g., alcohols, ketones, esters); hydrolyzes in water
Storage Stability12 months in original sealed container at 5–25 °C, protected from moisture
Primary ApplicationsCoupling agent, crosslinker, and adhesion promoter in sealants, adhesives, and coatings


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