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

BlueSky Chemical D-91 Blend of vinyltris(methylethylketoxime)silane and tetrakis(methylethylketoxime)silane

BlueSky Chemical D-91 is a premium silane coupling agent blend featuring vinyltris(methylethylketoxime)silane and tetrakis(methylethylketoxime)silane. Designed for moisture-cure RTV silicones and sealants, it enhances adhesion to glass, metals, and plastics while offering low volatility, extended shelf life, and rapid crosslinking without corrosive byproducts.
  • bluesky chemical d 91 blend of vinyltris methylethylketoxime silane and tetrakis_dbe3446b
  • bluesky chemical d 91 blend of vinyltris methylethylketoxime silane and tetrakis_dbe3446b

Features Of BlueSky Chemical D-91 Blend of vinyltris(methylethylketoxime)silane and tetrakis(methylethylketoxime)silane

  1. Optimized dual-silane synergy for balanced reactivity and shelf stability in moisture-cure systems.

  2. Low volatility and reduced odor profile compared to conventional ketoxime silanes, enhancing workplace safety.

  3. Excellent compatibility with silicone elastomers, polyurethanes, and hybrid polymer formulations.

  4. Provides strong adhesion promotion to glass, metals, and painted substrates without primer.

  5. Hydrolytically stable under anhydrous storage conditions, supporting extended product shelf life.

Typical Applications Of BlueSky Chemical D-91 Blend of vinyltris(methylethylketoxime)silane and tetrakis(methylethylketoxime)silane

  1. One-component (1K) moisture-curing silicone sealants and adhesives.

  2. Hybrid polymer (silyl-terminated polyether, STPE) construction sealants.

  3. Automotive under-hood and interior bonding/adhesive formulations.

  4. Architectural glazing and structural silicone sealants requiring high green strength.

  5. Electrical encapsulants and potting compounds requiring low shrinkage and good interfacial adhesion.

Specifications Of BlueSky Chemical D-91 Blend of vinyltris(methylethylketoxime)silane and tetrakis(methylethylketoxime)silane

Chemical TypeBlend of vinyl-functional and tetra-functional ketoxime silanes
Product FormClear, colorless to pale yellow liquid
AppearanceHomogeneous, free-flowing liquid at 25°C
Primary ApplicationsMoisture-cure sealants, adhesives, and hybrid polymers
Key FeaturesPrimerless adhesion, low volatility, hydrolytic stability
BenefitsImproved green strength, extended pot life, reduced VOC contribution
Storage ConditionsStore in tightly sealed containers under dry nitrogen; 5–30°C
Shelf Life12 months from date of manufacture when stored properly


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