Tetra-(methylethylketoxime)silane

Product Overview

Tetra-(methylethylketoxime)silane, commonly referred to as TOS or MEKO silane, represents a critical component in the modern formulation of neutral cure silicone sealants. Delivered as a stable solution in toluene, this organosilicon compound serves as a highly efficient crosslinking agent that facilitates moisture-curing processes without releasing corrosive by-products. Our manufacturing process ensures exceptional purity levels, making it an ideal choice for producers seeking consistent rheology and reliable curing profiles in their final adhesive products.

As a specialty chemical intermediate, this oxime-functional silane undergoes hydrolysis upon exposure to atmospheric moisture, forming siloxane bonds that provide structural integrity to the sealant matrix. Unlike acidic curing systems, this neutral mechanism prevents corrosion on sensitive substrates such as electronics, coated metals, and certain plastics, thereby expanding the range of compatible applications for formulators.

Technical Specifications

Key Applications & Benefits

The primary utility of Tetra-(methylethylketoxime)silane lies in its capacity to enhance the performance characteristics of one-component silicone sealants. When integrated into a formulation, it offers distinct advantages over traditional curing agents, particularly regarding workability and final material properties.

• Neutral Cure Mechanism: Eliminates the release of acetic acid, preventing corrosion on metal substrates and reducing odor during application.
• Extended Tooling Time: Allows applicators sufficient time to smooth and shape the bead before skin formation occurs, improving aesthetic finish.
• Enhanced Crack Resistance: Promotes higher crosslinking density when used in synergy with other silanes like MOS or VOS, ensuring durability under stress.
• Controlled Reactivity: Provides a balanced cure rate that supports deeper section curing without trapping uncured material in the core.
• Low Dimer Content: Our refined production process minimizes dimer formation, which contributes to better storage stability and consistent viscosity over time.

Storage & Handling

To maintain optimal chemical stability and performance, this product should be stored in a cool, well-ventilated area away from direct sunlight and sources of ignition. Containers must remain tightly sealed when not in use to prevent premature hydrolysis due to atmospheric moisture. Standard industrial safety protocols apply, including the use of appropriate personal protective equipment during handling. We offer flexible packaging options, including 190 kg drums, and can accommodate custom packaging requirements to suit specific logistical needs for global distribution.