Aminosilanes
APTES / AMEO coupling
At a glance
What it does
Aminosilanes (APTES / AMEO) — bifunctional coupling agents that bond inorganic substrates (glass, silica, mineral fillers) to organic polymers. The single most-used silane family in EU adhesive, sealant and composite formulation.
Also known as
3-aminopropyltriethoxysilane · APTES · AMEO · KH-550 · CAS 919-30-2 · EC 213-048-4 · HS 2931 90 80
Typical applications
- Adhesion promoter in PU and epoxy adhesives
- Glass-fibre sizing for composites
- Mineral-filler treatment (silica, wollastonite, kaolin)
- Crosslinker in moisture-cure systems
Specification band
Industry-typical published bands. Producer-specific values on the COA issued per shipment.
Handling & packaging
- Moisture-sensitive — hydrolyses on contact with humid air
- Hermetic drum with PE inner liner, desiccant layer and N₂ blanket
- Shelf life 12 months in original sealed packaging
- Skin / eye irritant · CLP-classified · transport per ADR
Documents on file per shipment
Serica execution notes
- Every drum hermetically sealed at origin — opened only at the buyer's site.
- REACH importer-of-record arrangement confirmed in writing before container ships.
- Single technical contact across the four silane families. Delivered pricing quoted to your plant; Incoterm and contracting structure confirmed per quotation.
- Upon request, can be verified per lot: GC purity, specific gravity, refractive index, flash point, moisture; CoA per batch.
Producers develop custom grades on request — specification band, particle size, purity, additive package.
Send us what you use today; we return a specification match and an indicative net delivered cost.
Prices are quoted as a net delivered cost to your plant. MOQs, lead-times and producer identities are confirmed per buyer.