CLUSTER 04 · SILANESVERIFYING
Aminosilanes
APTES / AMEO coupling
At a glance
CAS919-30-2
EC / LIST213-048-4
HS / TARIC2931 90 80
REACHRegistered / OR-covered on the EU importer of record; confirmed before shipment.
PACK FORMAT200 kg steel drums, hermetically sealed with N₂ blanket
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
Aminosilanes · APTES · AMEO · 3-aminopropyltriethoxysilane · amino-functional silane coupling agent · CAS 919-30-2 · EC 213-048-4 · HS/TARIC 2931 90 80
Brand names shown for equivalence / search only.
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
Assay (GC)≥ 98.0%
Density at 20 °C0.94 – 0.95 g/cm³
Refractive index n²⁰D1.420 – 1.425
Colour (APHA)≤ 30
Chloride (Cl⁻)≤ 10 ppm
Flash point~ 96 °C
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
Per-batch COA with GC purity, density, refractive indexSDS in EU CLP formatREACH registration confirmation on EU importer of recordStorage and rebottling protocol
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.
- DDP to gate · single technical contact across the four silane families.
- Upon request, can be verified per lot: GC purity, specific gravity, refractive index, flash point, moisture; CoA per batch.
SPEC-MATCH LADDER · 3 TIERS
T1 · SPEC → SPECWritten spec match
T2 · SAMPLE → LAB DELTAReference-sample benchmark
T3 · MIX → FINISHED PARTFormulation-in-context trial
How we prove the match →
AD-HOC GRADE DEVELOPMENT
Need a variant outside these bands?
Producers develop custom grades on request — viscosity, mesh, purity band, additive package.
Brief a custom development →
Sample requests and DDP-to-gate pricing for Aminosilanes are quoted per buyer — MOQs, lead-times and producer identities included.