
Our company since its inception, always regards product quality as enterprise life, continuously improve production technology, improve product quality and continuously strengthen enterprise total quality management, in strict accordance with the national standard ISO 9001:2000 for TRIGONOX 101, REOFOS, CAS No.68937-41-7. The company is constantly seeking out new technology and new technical solutions in order to improve the quality of its products and to offer its customers suitable solutions for their needs. We adhere to the honest and trustworthy business strategy, interactive and win-win development mode, improve the rules and regulations and achieve leapfrog development for many years. We have a complete range of products, over the years to adhere to product development as a guide, and continue to bring forth new ideas, to adapt to market competition. The rapid rise of our company has not only started the legendary process of the company itself, but also the leading industry.
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.

Looking forward to the future, our company will continue to adhere to the business philosophy of 'people-oriented management, and create value through cooperation', and carry forward the action program of 'unity, enterprising, pragmatic, and pioneering' to provide customers with the best High Quality Industrial Grade Zinc Borate solutions. We will supply best quality, the most market competitive price, for every new and old customers with the most perfect green services. Economic efficiency is the economic basis for the company to achieve its social goal value, so every department and every employee of our company is trying to achieve the maximum economic efficiency in a balanced state.