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NYACOL® AL25 have been developed utilizing new innovative technology for colloidal alumina. AL25 is a colloidal dispersions of boehmite with dispersed sizes of 70-80 nm at 20% Al2O3 content. Typically AL25 will have up to 500 ppm Na content.

Chemical Family: Aluminum Compounds

Compatible Substrates & Surfaces: Ceramic, Paper

Features: Temperature Resistance

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family
CASE Ingredients Functions
Technologies

Features & Benefits

CASE Ingredients Features
Product Highlights

The sols are essentially chloride free and other impurities are low. These products are used as binders for high temperature refractories and ceramics, catalyst wash-coats, catalyst formulation, precision polishing and paper coating.

Figure 1 shows a typical particle size curve using a Malvern Zetasizer. Figure 2 shows the typical XRD pattern for the boehmite after drying at 105°C.

Nyacol NYACOL AL25 Product Highlights - 1

Nyacol NYACOL AL25 Product Highlights - 2

Applications & Uses

Compatible Substrates & Surfaces

Properties

Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
AlO(OH)23.5wt.%
Aluminum content expressed as Al2O320wt.%
Particle Size70 – 80nm
pH4
Specific Gravity1.19
Viscosity10cP
Sodium Contentmax. 500ppm

Safety & Health

Safety

NYACOL® AL25 is acidic and may cause eye and skin irritation. Users should observe precautions printed on the package label.

Packaging & Availability

Packaging

NYACOL® AL25 and AL25-HP are available in 55-gallon plastic drums or stainless steel tank trucks. Customized packaging is available.

Storage & Handling

Storage

NYACOL® AL25 should not be subjected to temperatures of 32°F or below to avoid freezing.