+86 181 7149 4083
+86 181 7149 4083
Product Description
Polyethyl Silicate-40 (also known as Ethyl Polysilicate-40 / Silicic Acid Ethyl Ester, CAS 11099-06-2) is a partially hydrolyzed, low-viscosity colorless-to-pale-yellow transparent liquid siloxane oligomer with approx. 40% SiO₂ content. Upon acid- or alkali-catalyzed hydrolysis and condensation, it forms a three-dimensional polymeric SiO₂ network that delivers excellent binding, crosslinking, thermal stability and inorganic film-forming performance. Widely used as a reactive binder, crosslinker and sol-gel precursor in anticorrosion coatings, precision foundry, ceramics, silicone elastomers and advanced silica materials.
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Introduction
Technical Grade (SiO₂ 40–42%)
High-Purity Grade (low acid, low residue, customized hydrolysis degree)
Pre-hydrolyzed Binder Solution (for foundry & zinc-rich primer systems)
200kg steel / plastic drum
1000kg IBC tote
High SiO₂ content (~40%) after full hydrolysis
Storage-stable, low-viscosity, easy metering and mixing
Forms strong inorganic SiO₂ bond with metals, ceramics and fillers
Excellent heat, chemical and weathering resistance
Compatible with acid/alkali catalysts and organic co-solvents
Ideal for sol-gel, moisture-cure and two-pack binder systems
Anticorrosion Coatings | Precision Foundry | Ceramics & Refractories | Silicone Rubber | Aerospace & Marine | Electronics | Catalyst & Aerogel Materials | Dental & Lab Supplies
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We support a "sample first, payment later" approach. You may obtain samples for testing first and only make the payment after confirming that the samples meet your requirements. In addition, we can provide product testing reports upon your request, and take photos or videos during the shipping process, giving you complete peace of mind.
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