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Chemicals

Magnesium hydroxide for flame retardant

MAGNESIUM HYDROXIDE for FLAME RETARDANT "MAGSEEDS®"

"MAGSEEDS" is Konoshima's Magnesium hydroxide for flame retardant.
This product is produced from seawater and can be used as HFFR(Halogen Free Flame Retardant) and we have high evaluation all over the world.
It is also used as smoke suppressant in LSZH(Low Smoke Zero Halogen) formula.
We can offer various grades of surface coating and particle size.
Regarding request of customized grade, please contact us through contact form.

MAGSEEDS X

It is surface uncoated grade. It has higher purity and better dispersibility than our general Magnesium hydroxide

MAGSEEDS S

It is a grade surface-coated with silane coupling agent.
It is suitable for high flame retardance formula and good mechanical properties such as tensile strength, scratch resistance and cross-linked plastics.

MAGSEEDS N

It is a grade surface-coated with fatty acids.
It is easy to maintain elongation when blended with plastic and has excellent workability.

MAGSEEDS EP

It is a grade with a special surface treatment to impart acid/water resistance.
Most suitable for Epoxy molding compounds printed wiring board.

MAGSEEDS W

It is produced from Brucite ore pulverized and surface coated by our original process.

Typical data
  X S N EP W
Screen residue (45μm)(%) <0.01 <0.01 <0.01 <0.01 <0.01
Loss on drying(%) 0.2 0.1 0.2 0.1 0.4
Assay as Mg(OH)2(%) 99.4 99.1 96.8 99.1 91.5
Calcium oxide(%) 0.1 0.1 0.1 <0.1 2.1
Specific surface area(m2/g) 5.8 4.9 4.1 3.3 7.3
Average particle size(μm) 1.0 1.0 1.3 2.9 3.3
Coating agent Uncoated Silane coupling agent Fatty acids Inorganic agent Fatty acids

Applications

  • Halogen-free cables
  • PVC
  • Thermosetting resins
  • Electric wires
  • Wallpaper/Flooring
  • Printed wiring boards
  • Wire harness
  • Sealants/Putty
  • Epoxy molding compounds/Adhesives
  • PE foam insulation
  • Smoke suppressants(LSZH)
  • Tracking resistance agent
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