Ecopiren® 3.5NA

Ecopiren® 3.5NA

Ecopiren® 3.5NA is used as flame retardant filler mainly for PA, PVC and PO for achieving of high oxygen index(LOI), aging resistance 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 64.0 – 94.0 64.0 – 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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