Poly-Methyltriethoxysilane
| Chemical Name: | Poly-Methyltriethoxysilane |
| Product Category: | Alkylsilane – Silanes |
| Structural Formula: |  |
| Appearance: | Colorless Transparent Liquid |
| Viscosity: | (25 ℃), mm² / s 1 ~ 5 |
| Density: | (25 ℃), g / cm3 0.920-1.050 |
| Acid Value: | (%) ≤0.3 |
Hydroxy Silicone Oil Description
Poly-Methyltriethoxysilane is a solvent-based silicone waterproofing agent known for its excellent water repellency and durability. It hydrolyzes easily and forms a protective silicone film under acidic or alkaline conditions, effectively preventing water infiltration while maintaining breathability.
This weather-resistant compound offers superior thermal insulation, reducing the risk of cracking in buildings and wood structures. Its strong hydrophobic properties make it ideal for long-term protection against moisture damage in various construction and wood preservation applications.
| Appearance | Colorless to light yellow transparent liquid. |
| Dissolvability | Be soluble in organic solvents such as methanol, ethanol and ketones. |
| Application | Used as waterproofing agent, isolation and anti-adhesive agent, release agent, defoaming agent, waterproof and anti-corrosion coating, methyl block room temperature vulcanized silicone rubber. |
| Other names | No. 3 waterproofing agent, silicone waterproofing agent, 3# waterproofing agent |
| Physical and chemical properties | Polymethyltriethoxysilane is an oligomer of methyltriethoxysilane with an average degree of polymerization of 2 to 3. It has a special fragrance and is a flammable liquid. Water is easy to hydrolyze and condense, and the products of hydrolysis and condensation are polymer compounds, which are finally cross-linked to form a film. Polymethyltriethoxysilane is hydrophobic and has high heat resistance. |
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