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

Domestic D-26 1,2-Bis(Trimethoxysilyl)Ethane

Domestic D-26 is a premium silane coupling agent from Domestic’s D-Series, specifically model D-26, featuring 1,2-bis(trimethoxysilyl)ethane as its core functional molecule—offering exceptional hydrolytic stability, dual-end reactivity, and superior interfacial adhesion between organic polymers and inorganic substrates like glass, silica, or metals.
  • domestic d 26 1 2 bis trimethoxysilyl ethane_892f4bf8
  • domestic d 26 1 2 bis trimethoxysilyl ethane_892f4bf8

Features Of Domestic D-26 1,2-Bis(Trimethoxysilyl)Ethane

  1. High-purity bifunctional silane with two reactive trimethoxysilyl groups enabling robust crosslinking in hybrid organic-inorganic systems.

  2. Excellent hydrolytic stability compared to trialkoxysilanes with shorter alkyl spacers, ensuring extended shelf life and processing window.

  3. Efficient coupling agent for silica, glass, and metal oxide surfaces—enhances interfacial adhesion in composites and coatings.

  4. Low volatility and favorable handling characteristics under standard industrial storage conditions (20–25°C, dry, inert atmosphere).

  5. Domestically manufactured to consistent quality standards with full batch traceability and GC-MS verified composition.

Typical Applications Of Domestic D-26 1,2-Bis(Trimethoxysilyl)Ethane

  1. Hybrid sol-gel precursors for scratch-resistant, UV-stable protective coatings on automotive and architectural glass.

  2. Reinforcing coupling agent in high-performance silicone rubber formulations requiring improved tensile strength and compression set resistance.

  3. Surface modification of fumed silica and precipitated silica for use in tire tread compounds and elastomeric sealants.

  4. Key crosslinker in moisture-curable silane-terminated polymer (STP) adhesives and sealants for construction and industrial bonding.

  5. Functional additive in nanocomposite membranes for selective gas separation and water purification applications.

Specifications Of Domestic D-26 1,2-Bis(Trimethoxysilyl)Ethane

Chemical TypeBifunctional alkyltrialkoxysilane
Product FormClear, colorless to pale yellow liquid
AppearanceHomogeneous, free from visible particulates or phase separation
Molecular FormulaC8H22O6Si2
Primary ApplicationsCoupling agent, crosslinker, surface modifier
Key FeaturesBifunctional, hydrolytically stable, low volatility, high reactivity with hydroxylated surfaces
Storage Conditions20–25°C, under nitrogen, in sealed containers away from moisture and direct sunlight
Shelf Life24 months from date of manufacture when stored properly


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