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Hymod® M632 SG

CAS Number
21645-51-2
EC Number
244-492-7
Chemical Name
Alumina Trihydrate (ATH)

Huber Engineered Materials’ Hymod® M632 SG is a fine particle size, surface treated alumina trihydrate commonly known as aluminum hydroxide product that provides flame retardancy and smoke suppression in a variety of applications, such as acrylic, EPDM, EVA, SBR, polyester and polyolefin compounds. The surface modification enables this product to have low moisture and to be easily and uniformly dispersed into polymers at high loading levels without causing processing rheology concerns. Hymod® M632 SG can be used in such applications as foamed insulation, wire and cable jacketing, TPO roofing membranes, injection molded and extruded polyolefins, compression molded thermosets and solvent borne coatings.

Identification

CASE Ingredients Features
Smoke Suppressant
CASE Ingredients Functions
Flame RetardantOther CASE Function

Product families

Applications

Adhesives & Sealants — Building & Construction
  • Sealants & Caulks
Building & Construction — Building Materials
  • Sealants & Caulks

Product Families

CASE Ingredients — Additives
  • Functional Additives

Other characteristics

Brand
Hymod
End Uses
Solventborne Coating
Features
Smoke Suppressant
Functions
Flame Retardant, Other CASE Function
Compatible Polymers & Resins

Acrylics, Ethylene Vinyl Acetate (EVA), Polyesters, Polyolefins

Markets
  • Adhesives & Sealants
  • Building & Construction
Coating Type
Solventborne Coating
Technology
CASE Ingredients
Chemical Inventories
  • AICS (Australia)
  • DSL (Canada)
  • ECL (Korea)
  • IECSC (China)
  • INSQ (Mexico)
  • NZIoC (New Zealand)
  • PICCS (Phillipines)
  • TSCA (USA)
Compatible Polymers and Resins
  • Acrylics
  • Ethylene Vinyl Acetate (EVA)
  • Polyesters
  • Polyolefins

Technical data

Table 1 of 3

6 rows
CharacteristicValueUnit
Al(OH)₃99.6%
Fe₂O₃0.007%
Loss on Ignition at 550°C34.5%
Na₂O (Soluble)0.06%
Na₂O (Total)0.3%
SiO₂0.005%

Table 2 of 3

6 rows
CharacteristicValueUnit
Bulk Density (Loose)0.45g/cm³
Bulk Density (Packed)0.9g/cm³
Oil Absorption32.0ml/100gm
Specific Gravity2.42—
Specific Surface Area (BET)7.5m²/gm
TAPPI Brightness95.0—

Table 3 of 3

5 rows
CharacteristicValueUnit
Median Particle Diameter3.5μm
Screen Analysis < 10 micron95.0%
Screen Analysis on 200 mesh0.0%
Screen Analysis on 325 mesh0.01%
Screen Analysis through 325 mesh99.99%

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