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Chemical Name: Magnesium Hydroxide

Chemical Family: Magnesium & Magnesium Compounds

Functions: Flame Retardant, Smoke Suppressant

Synonyms: Magnesia hydrate, Magnesium dihydroxide, Magnesium hydroxide (Mg(OH)2), Magnesium(II) hydroxide, Milk of magnesia

Technical Data Sheet
  • TypeDocument Name
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Knowde Enhanced TDS

Identification & Functionality

Chemical Name
Plastics & Elastomers Functions
CAS No.
1309-42-8
EC No.
215-170-3

Features & Benefits

Labeling Claims

Applications & Uses

Applications
  • Hydramax™ A7 of magnesium hydroxide products are a non-halogen flame retardant with low smoke properties. Its high endothermic decomposition temperature allows it to be used in a wide range of polymers. Hydramax™ A series is used to help meet smoke and flammability tests such as ASTM-E84, UL-94, ASTM-E662, UL 910, ASTM D2863, ASTM D3843 and NFPA 263.
  • Hydramax™ A7 is available untreated, or with either a Stearic Acid or Silane surface treatment.

Properties

Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Magnesium Hydroxide Content99.8%
Particle Size, D501.5
Surface Area6.3-7.2m²/g

Regulatory & Compliance

Certifications & Compliance
Quality Standards

Safety & Health

Health and Safety
  • The use of proper protective equipment is recommended. Excess exposure to the product should be avoided. Wash thoroughly after handling. Store the product in a cool dry, well ventilated area away from incompatible materials. For additional handling and toxicological information, consult the Polymer Additives Group Safety Data Sheet.

Packaging & Availability

Packaging Type
Packaging
  • Standard packaging is in 20 kg bags and 500 kg bulk bags. Packages are on skids with stretch wrap. Special packages are available upon request.