Smoke Suppressor Zinc Borate 233.5(ZB2335) (2ZnO·3B2O3·3.5H2O CAS NO.1332-07-6 / 138265-88-0) is produced by boric acid process with high purity, high content of ZnO and B2O3 and high thermal stability. Smoke SuppressorZinc borate is used as an environmentally-friendly additive halogen- free flame retardant and smoke suppressant in various polymer systems.
Shandong TaiXing Advanced Material Co., Ltd., was established in 1998, we are flame retardant china manufacturer and specialized in R&D and producing Environment-friendly halogen-free flame retardants including Zinc Borate 233.5(ZB2335), Ultrafine Aluminum hydroxide, Melamine Cyanurate (MCA), Aluminium Hypophosphite(AP), Ground Aluminum hydroxide, Magnesium Hydroxide(MDH), Hexaphenoxycyclophosphazene (HPCP), Magnesium hydroxide ,we also produce flame retardant master batch and specialized flame retardant for GF reinforced PBT, PA and TPU. These products are widely used in Engineering-plastics, Rubber, tube and belt, Electric & electronics, Low smoke halogen-free wire and cable, paint and coating,building materials,etc. After 26 years of development, Taixing has grown into a manufacturer and supplier of flame retardants with high quality, low price wide variety and professional service, leading the innovation and development of the halogen-free flame retardant industry.
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 |
Zinc Borate 233.5(ZB2335) 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.
Zinc Borate 233.5(ZB2335)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.
Zinc Borate 233.5(ZB2335) Packaging:Net weight 25kg/bag, Compound paper-plastic bag
Zinc Borate 233.5(ZB2335) Storage and Attention :Keep in dry, room temperature and moisture proof condition, preventing the heating.
