Ecopiren® 3.5C

Ecopiren® 3.5C*

Ecopiren® 3.5C is used as  retardant filler for polymeric materials for archieving for high oxygen index(LoI), and for ensuring of the absorption of smoke and toxic gases.

Product Description

A fine white of magnesium hydroxide.
Producted from selectively mined natural magnesium hydroxide (ground brucite), by milling and classifying.

Chemical & Physical properties

Indicator Typical value Specification
MgO/Mg(OH)2 64.8 – 94.0 64.8 – 92.8
CaO, % 2.1 2.3 max.
SiO2, % 1.2 1.3 max.
Fe2O3, % 0.11 0.13 max.
Loose Bulk Density, kg/m3 400 300 min
Humidity, % 0.3 0.5 max.
Particle size distribution, µm:
Laser granulometry D50 3 – 4
Malvern mastersizer D90 9 – 11
Sedimentation technique (sedigraph) D50 1.5 – 2.0
Surface area range, m2/g 9 – 11
Product appearance White, fine, homogeneous powder.

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