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Description
Zinc borate is produced by boric acid process with high purity, high content of ZnO and B2O3 and high thermal stability. Zinc borate is used as an environmentally-friendly additive halogen- free flame retardant and smoke suppressant in various polymer systems.
Physical and Chemical Properties
Items | Unit | ZB-2335 |
Appearance | --- | White Powder |
B2O3 | % | 47.0 ～ 49.0 |
ZnO | % | 37.5 ～ 39.5 |
Moisture | % | ≤0.3 |
Loss on Ignition | % | 13.0~15.5（450℃) |
Whiteness | % | ≥96.0 |
Particle Size,D50 | µm | ≤7.0 |
TGA(1%) | ℃ | ≥345 |
Chloride(Cl- ) | % | ≤0.05 |
Sulphate(SO42-) | % | ≤0.005 |
Key advantages
High Purity: >99%
High Whiteness：≥96%
High Decomposition Temperature：the TGA(1%) is over 345℃ , allow high thermal processing.
Low Cl- %, Low SO42-%：Cl-≤300ppm, SO42-≤50ppm. No white precipitate during product use.
Application
Recommended to be used in engineering plastics, rubber based compounds such as hose, conveyor belt, coated canvas, FRP, wire and cable, electrical components, coating and painting, etc.
Packaging
Net weight 25kg/bag, Compound paper-plastic bag.
Storage and Attention
Keep in dry, room temperature and moisture proof condition, preventing the heating.
