≥ 98%(accounted based on the formula:
M(II)1-xM(III)x(OH)2]X+(An-x/n)•mH2O)
2.Whiteness
≥ 90%
3 .PH
7-9 (10% suspension)
4 .Interlayer spacing
Adjustable from 0.7 to 4.0nm
5. Unit cell parameters
a=0.30-0.35nm,c=2.1-2.5nm
6.layer thickness
0.60-0.65nm
7.length/thickness ratio of crystal grain
Adjustable from 2 to 500
8.Grain size of primary particles
≤ 70nm (D90)
9. Water content
≤ 0.3% (105°C 1hr)
10.Oil absorption
20-60g/100g
11.Bulk density
0.2-0.4 g/cm3
It has been proved by some authoritative
inspection departments that these products are of excellent
antiflaming and smoke retarding effect and improve the mechanical
properties of compound material