3-Aminopropyltriethoxysilane

Description

1. Product Overview
   3-Aminopropyltriethoxysilane (APTES) is a high-performance organosilane coupling agent widely used to enhance adhesion between inorganic substrates and organic polymers. It plays a critical role in surface modification, improving bonding strength, durability, and compatibility in advanced material systems. The product is essential in industries such as coatings, composites, adhesives, and electronics, where interface performance determines final product quality. Its strategic value lies in enabling superior material integration, driving both performance efficiency and cost optimization across manufacturing processes.
2. Key Specifications & Technical Characteristics

• Chemical Name: 3-Aminopropyltriethoxysilane
• Molecular Formula: C9H23NO3Si
• CAS Number: 919-30-2
• Purity: ≥ 97% (industrial grade)
• Appearance: Colorless to pale yellow transparent liquid
• Odor: Amine-like characteristic odor
• Density: ~0.946 g/cm³ at 25°C
• Boiling Point: ~217°C
• Solubility: Reacts with water; soluble in alcohols and organic solvents
• Packaging: 25 kg drums, 200 kg steel drums, 1 MT IBC tanks
• Shelf Life: 12–24 months under sealed, dry, and cool conditions

3. Core Industrial Applications

• Used as a coupling agent in fiberglass-reinforced composites and polymer systems
• Widely applied in coatings and paints to improve adhesion on metal, glass, and mineral surfaces
• Essential in adhesives and sealants for enhanced bonding strength and durability
• Utilized in surface treatment of silica fillers and nanoparticles for improved dispersion
• Key role in electronics and semiconductor manufacturing for surface functionalization
• Preferred in construction materials to enhance chemical resistance and mechanical stability
  Its performance advantage lies in its strong ability to chemically bridge inorganic and organic phases, significantly improving product lifespan and structural integrity compared to conventional adhesion promoters.

4. Competitive Advantages

• High chemical purity ensuring consistent industrial performance
• Stable global supply capability supporting continuous production needs
• Efficient logistics network enabling bulk international shipment reliability
• Cost-effective formulation delivering superior performance-to-price ratio
• Environmentally favorable use in advanced material engineering applications
• Strong technical documentation and application support for industrial clients
• Proven compatibility across a wide range of resin and substrate systems

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 MT
• Loading Capacity (MT per container): 16–20 MT per 20ft container (depending on packaging configuration)