Hubergroup SB-332

Identification & Functionality

Chemical Family

Aluminum Compounds,

Trihydrates

Chemical Name

Alumina Trihydrate (ATH)

CASE Ingredients Functions

Flame Retardant

CAS No.

21645-51-2

EC No.

244-492-7

Technologies

CASE Ingredients

Product Families

CASE Ingredients — Additives

Functional Additives

Applications & Uses

Markets

Adhesives & Sealants,

Electrical & Electronics,

Paints & Coatings

Applications

Adhesives & Sealants — Other Adhesives & Sealants Applications

Paints & Coatings — Other Paints & Coatings Applications

Electrical & Electronics — Wire & Cable

Jacketing & Insulation

Compatible Polymers & Resins

Epoxies (EP)

Coating Type

Epoxy Coating

Properties

Physical Form

Powder,

Solid

Chemical Properties

	Value	Units	Test Method / Conditions
Al(OH)₃	99.6	%	—
Fe₂O₃	0.006	%	—
Loss on Ignition at 1000°C	34.6	%	-
Na₂O (Soluble)	0.08	%	—
Na₂O (Total)	0.24	%	—
SiO₂	0.005	%	—

Typical Properties

	Value	Units	Test Method / Conditions
Bulk Density (Loose)	0.7	g/cm³	—
Bulk Density (Packed)	1.25	g/cm³	—
Free Moisture at 105°C	0.25	%	-
Oil Absorption	29.0	ml/100gm	-
Specific Gravity	2.42	-	-
Specific Surface Area (BET)	1.8	m²/gm	-
TAPPI Brightness	44.0	-	-

Particle Size Distribution

	Value	Units	Test Method / Conditions
Median Particle Diameter	11.0	μm	-
Screen Analysis < 10 micron	53.0	%	-
Screen Analysis on 325 mesh	0.1	%	-
Screen Analysis through 325 mesh	99.9	%	-

Regulatory & Compliance

Chemical Inventories

AICS (Australia),

DSL (Canada),

ECL (Korea),

IECSC (China),

INSQ (Mexico),

NZIoC (New Zealand),

PICCS (Phillipines),

TSCA (USA)