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919-30-2
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Packaging & Storage |
Packaging: 200 kg/drum. Custom packaging can be discussed based on order quantity and transportation requirements.
Storage: Store in a dedicated hazardous chemical warehouse that is cool, dry, well-ventilated and away from light. Keep containers tightly sealed and segregate from strong oxidants, strong acids and strong alkalis.
Storage & Handling Notes
For 3‑Aminopropyltriethoxysilane (APTES), prolonged exposure to moisture, humid air or high‑temperature conditions may cause hydrolysis and self‑condensation of the material.
Store in tightly sealed original containers, keep away from water, moisture, acids and heat sources. Avoid prolonged contact with ambient air. Under proper sealed storage conditions, the product maintains good storage stability. Prevent inhalation of vapors and skin/eye contact during handling.
Shipping & Delivery |
Jinan, China
Immediately after payment
Qingdao / Tianjin / Shanghai / Ningbo
Sample Support
Samples are available for evaluation before bulk orders. Shipment arrangements depend on destination and applicable transportation requirements.
Factory & Quality Control |
Consistent quality control for each production batch.
Technical documents available upon request.
Samples available for product evaluation.
Custom specifications available upon request.
View Factory & Quality Control → View Technical Documents →
Applications |
Applications of 3-Aminopropyltriethoxysilane (APTES)
3-Aminopropyltriethoxysilane (APTES, CAS 919-30-2) is an amino-functional organosilane coupling agent widely used as a building block and surface modifier in adhesive, coating and composite formulations. Its molecular structure makes it particularly suitable for inorganic-organic interfacial bonding, resin modification, and selected high-performance surface-treatment systems.
Adhesives & Primer Coatings
APTES is commonly used in the production of adhesion-promoting primers and adhesive systems. Its amino-functional structure can support strong inorganic-organic interfacial adhesion, good hydrolytic stability, and formulation compatibility, making it suitable for industrial surface-treatment applications.
Typical application areas include:
Silane-modified primers
Industrial adhesives & sealants
Metal surface pretreatment
Glass and mineral filler surface modification
Industrial repair coatings
Water-borne & High-Performance Coatings
APTES can be used in coating systems designed for water-borne, low-VOC, and high-performance coatings. APTES-modified formulations may provide a useful balance of processability and coating performance, including improved adhesion, corrosion resistance, humidity resistance, and chemical resistance.
It is particularly suitable for formulations where strong substrate adhesion, stable water-borne system performance, and filler compatibility are required.
APTES is also used as a silane coupling component in mineral-filled polymer and composite resin systems. These resin systems are used in composite materials and applications requiring durable interfacial bonding performance.
Typical applications include:
Glass-fiber reinforced composite resins
Mineral-filled thermoset & thermoplastic polymers
Fiberglass-reinforced plastics
Industrial composite molded products
Fiberglass-Reinforced Plastics & Composites
APTES-modified resin systems can be used in fiberglass-reinforced plastic (FRP) and composite applications, particularly where interfacial bonding strength, corrosion resistance and long-term durability are important performance considerations.
The final performance of APTES in any resin or coating system depends on the complete formulation, filler loading, processing conditions, curing system, and intended end use. Customers should evaluate product suitability according to their specific formulation and application requirements.
