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

ProductMagnesium Hydroxide, Produced from selectively mined natural magnesium hydroxide (ground brucite). bymilling and classification.
AppearanceA fine white powder


Chemical & Physical properties

IndicatorSpecificationTypical value
MgO/Mg(OH)2min. 64.0 – 92.864.8 – 94.0
CaO, %max. 2.32.1
SiO2, %max. 1.31.2
Fe2O3, %max. 0.130.11
Loose Bulk Density, kg/m3min 300350
Humidity, %max. 0.50.3
Particle size distribution, µm:
Laser granulometry D100.8 – 1.3
Malvern mastersizer D503.0 – 4.0
Sedimentation technique (sedigraph) D9714 – 19
Surface area range, m2/g9 – 11
Whiteness, CIE methodmax 0.5





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