| Customization: | Available |
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| CAS No.: | 12767-90-7, 138265-88-0 |
| Formula: | 2ZnO.3b2o3 |
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| Appearance | White fine powder |
| Whiteness | ≥98 |
| ZNO content % | 42.0-45.0 |
| B2O3 content% | 53.0-57.0 |
| Free water (H2O) % | ≤0.5 |
| Average particle size D50, um | 8.0-15.0 |
| Residue 45 um % | ≤0.5 |
| Loss on ignition, % 500°C | 1.5 |
| Melting point °C | 980 |
| Refractive index | 1.58 |
| Specific gravity, g/cm3 | 2.67 |
Zinc Borate is one environmental friendly halogen-free flame retardant. There are some formulations of XZnO.YB2O3.ZH2O, in which Zinc Borate anhydrous is called ZB-23 (2ZnO.3B2O3). Mflam ZB-23 is stable up to 600ºC, so it can be used in polymer systems requiring very high processing temperatures. It can be added into extruders, calendars, or injection molding equipment. Mflam ZB-23 is used as a flame retardant and smoke suppressant in some polymers, such as polyetherketone, polysulfone, fluoropolymer, polyester and nylon, etc.
25kg paper bag, 1FCL=20mt with pallets
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