company tower banner
Polymer Additives Group Company Logo

HYDRAMAX™ HMC9-T

1 of 15 products in this brand
Hydramax™ HMC9-ST is a surface treated finely ground hydrated magnesium calcium carbonate used as a flame retardant and smoke suppressant in thermoplastic and elastomeric compounds. It is very compatible in a wide range of thermoplastics and provides improvements in processing and physical/mechanical properties compared to untreated grades.

Chemical Name: Calcium Carbonate, Magnesium Oxide

Functions: Flame Retardant, Smoke Suppressant

Chemical Family: Calcium Salts, Carbonates, Magnesium & Magnesium Compounds

Technical Data Sheet
  • TypeDocument Name
View All Documents

Knowde Enhanced TDS

Identification & Functionality

Plastics & Elastomers Functions

Features & Benefits

Applications & Uses

Applications

Hydramax™ HMC9-ST is a surface treated non-halogen flame retardant with low smoke properties. Hydramax™ HMC9-ST 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.

Properties

Appearance
Fine white powder
Typical Properties
ValueUnitsTest Method / Conditions
325 Mesh Retentionmax. 0.5%
Al₂O₃ Content0.001
Average Particle Size3 – 4 microns
Ca Content6.5 - 8.5%
Decomposition Temperaturemin. 220°C
Fe₂O₃ Content0.0005
MgO Contentmin. (37 - 39)%
Silica Content0.2 - 0.5%
Specific Gravity2.47

Regulatory & Compliance

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 multiwall paper bags. Packages are on skids with stretch wrap. Special packages are available upon request.