Colloid Antimony Pentoxide
Synonyms: Antimony Pentoxide Colloidal, Aqueous Colloidal Antimony Pentoxide
Molecular formula: Sb2O5·nH2O
Liquid stat, milk-white or light yellow colloid colloidal solution
| PH | 5~8 |
| Stability | Very High |
| Colour | Milky White |
| Viscosity | greater than 100 centipoises |
| Specific Gravity | 1.6 to 1.7 |
Advantages about Antimony Pentoxide Colloidal
Better penetration of the substrate.
Less pigmenting or whitening effect for deep mass tone colors
Easier handling and processing. Liquid dispersions will not clog spray guns.
Translucency for coatings, films and laminates.
Easy compounding; no special dispersing equipment required.
High FR efficiency for minimal added weight or change in hand.
Enterprise Standard of Colloid Antimony Pentoxide
|
Items |
Grade-27 |
Grade-30 |
|
Sb2O5 WT.% |
≥27% |
≥30% |
|
Amtimony WT.% |
≥20% |
≥22.5% |
|
PbO(ppm) |
≤50 |
≤40 |
|
As2O3(ppm) |
≤40 |
≤30 |
|
Media |
Water |
Water |
|
Primary Particle Size(nm) |
5nm |
0.01~0.03nm |
|
PH(20℃) |
4~5 |
4~6 |
|
Viscosity |
3cps |
4cps |
|
Appearance |
Clear |
ivory-white or light yellow gel |
|
Specific Gravity(20℃) |
1.32g/l |
1.45g/l |
Storage and transportation:
Warehouse, vehicles and containers should be kept clean, dry, free of moisture, heat and be separated from alkaline matters.
What is Aqueous Colloidal Antimony Pentoxide used for?
1. Used as a synergist with halogenated flame retardants in textiles, adhesives, coatings and water-based systems.
2. Used as flame retardant in the copper clad laminate、polyester resin,epoxy resin and phenolic resin.
3. Used as fire retardant in carpets, curtains, sofa-covers, tarpaulin and high-grade wool fabrics.
4.Used as Metals’ passivator in the Oil refining industry, mazut and residual oil’s catalytic cracking and the process of catforming.
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