
We know that we only thrive if we could guarantee our combined price tag competiveness and quality advantageous at the same time for Magnesium Hydroxide, CAS No.12767-90-7, CAS No.1025-15-6. We provide customers with high-quality services, and continuously research, develop, and produce high-quality products to meet the requirements of various types of customers. We uphold the 'integrity management' 'customer first' purpose, always provide you with quality products and sound service, if you are interested in our products and services, looking forward to your online message or call consulting. We will continue to push the enterprise to move towards an integrated direction.
Chemical name: | Zinc Borate |
CAS No. : | 12767-90-7 |
Formula: | 2ZnO 3B2O3 3.5H2O |
Formula weight | 434.62 |
CHARACTERISTICS:
Zinc Borate is an environmental friendly inorganic flame retardant.It is white powder , slightly soluble in water, crystal powder insoluble in HCl, amorphous powder soluble in HCl. This product performance in high flame retardancy without any toxic substance, low water solubility, high thermal stability, ultra-fine particle size, excellent dispersibility. Also it takes role as smoke suppressant and synergist with other flame retardant together.
SPECIFICATION
Item | Unit | Value |
Appearance | -- | White Powder |
ZnO | % | 37.0-40.0 |
B2O3 | % | 45.0-48.0 |
Loss at ignition | % | 13.0-15.5 |
Whiteness | -- | ≥90 |
Moisture | % | ≤0.5 |
Particle Size | D10 (um) | 0.5-1.0 |
D50 (um) | 3-5 | |
D90 (um) | 6-8 | |
Sieve analysis | % | ≤0.1 |
Melt point | ℃ | 980 |
Decomposition temp | ℃ | ≥290 |
Density | g/cm3 | 2.67 |
Refractive index | 1.58 |
APPLICATION:
Used in PVC,PE,EVA,PP, Reinforced PA,PS,Epoxy, Nature Rubber as synergist with halogen flame retardants and ATO.Used as flame retardant in paper, fabric textile, decorating board, carpet etc.
The dosage varies from 2% to 15% as flame retardant or synergist.
PACKING & STORAGE:
25Kg/Bag. PP woven bag with PE film inner lining or paper-plastic bag.
Store in ventilated, dry place, avoid direct sunlight.

We will aim at researching and developing new products, keep innovating and improving, and provide better quality Zinc Borate; 2ZnO. 3b2o3.3.5H2O; Zb2335; Flame Retardant for our customers. We will continue to forge ahead and strive to improve our hardware and software facilities to enhance our core competitiveness. Starting from the reality, paying attention to the use experience of customers is the basic requirement of our research and development.