Hubergroup HN 336

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

Features & Benefits

CASE Ingredients Features

Low Viscosity,

Smoke Suppressant

Applications & Uses

Markets

Adhesives & Sealants,

Building & Construction

Applications

Adhesives & Sealants — Building & Construction

Sealants & Caulks

Building & Construction — Building Materials

Sealants & Caulks

Properties

Physical Form

Powder,

Solid

Chemical Properties

	Value	Units	Test Method / Conditions
Al(OH)₃	99.6	%	-
Fe₂O₃	max. 0.02	%	-
Loss on Ignition at 550°C	34.5	%	-
Na₂O (Soluble)	0.02	%	-
Na₂O (Total)	0.2	%	-
SiO₂	max. 0.04	%	-

Typical Properties

	Value	Units	Test Method / Conditions
Brightness Ry	94.0	-	-
Free Moisture Content (TGA, 105°C)	0.22	%	-
Bulk Density (Packed)	1270	g/l	-
CIELAB, L	97.0	-	-
Oil Absorption	21.0	ml/100gm	-
Specific Gravity	2.42	-	-
Specific Surface Area (BET)	1.7	m²/gm	-

Electrical Properties

	Value	Units	Test Method / Conditions
Electrical Conductivity	max. 130	μmS/cm	-

Particle Size Distribution

	Value	Units	Test Method / Conditions
Median Particle Diameter	14.0	μm	-
Screen Analysis < 1 micron	5.0	%	-
Screen Analysis < 10 micron	40.0	%	-
Screen Analysis < 45 micron	80.0	%	-

Mineral Properties

	Value	Units	Test Method / Conditions
Moh’s Hardness	3.0	-	-

Packaging & Availability

Packaging and Storage

Packaging :

• 25 kg paper bag
• 1000 kg pallet

Storage :

The product should be stored under dry and clean conditions in its original packing. The moisture content may increase if not stored under dry condtions.