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Nanometer-grade Hydrotalcite (LDH)
Quality Index:
| Item |
Index |
Chemical name |
Nanometer-grade Hydrotalcite (LDH) |
Purity |
≥ 98%(accounted based on the formula:
M(II)1-xM(III)x(OH)2]X+(An-x/n)•mH2O) |
Whiteness |
≥ 90% |
PH |
7-9 (10% suspension) |
Interlayer spacing |
Adjustable from 0.7 to 4.0nm |
Unit cell parameters |
a=0.30-0.35nm,c=2.1-2.5nm |
Layer thickness |
0.60-0.65nm |
Length/thickness ratio of crystal grain |
Adjustable from 2 to 500 |
Grain size of primary particles |
≤ 70nm (D90) |
Water content |
≤ 0.3% (105ºC 1hr) |
Oil absorption |
20-60g/100g |
Bulk density |
0.2-0.4 g/cm3 |
Description:
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
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