- Contact Person : Mr. Cao Richard
- Company Name : Tianjin Jingxiangtai Imports & Exports Trade Limited Company
- Tel : 86-22-87205539
- Fax : 86-22-87205535
- Address : Tianjin,Tianjin,Donglantuo Village,Wangwenzhang Town,Xiqing District
- Country/Region : China
- Zip : 300383
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Zinc Borate 3.5H2O
1)Physical and Chemical Properties:
Molecular Formula: 2ZnO 3B2O3 3.5H2OMolecular Weight 434.68Appearance: white crystal powderRelative Density: 2.67Melting Point: 980Toxicity: <LD50> 1g/KgIndex of Refraction: 1.58
2)Usage:
Zinc Borate is widely used in producing polyolefine,rubber,hydroxybenzene resin,saturation insaturation resin, paper, fabric,carpet,paint,china,glaze, antiseptic and pesticide.Zinc Borate as upper-fine flame retardant, its character of smoke abatement is better than any other flame retardant, in producing polyolefine can replace antimony trioxide. Different model Zinc Borate has different usefulness.
3)Specifications:
Item/Grade | Zinc borate ( 2ZnO.3B2O3 3.5H2O) | |
Excellent grade | First grade | |
Whiteness | 99 | 95 |
Surface water % ≤ | 0.5 | 1.0 |
Particle size, um | 3-5 | 3-5 |
ZnO, % | 37.0-40.0 | |
B2O3 , % | 48.0-49.0 | |
Loss on ignition,% | 13.5-15.5 | |
Fineness (Residue on 45um sieve ), % ≤ | 0.1 | |
Pb % ≤ | 0.0005 | |
Specific gravity, g/cm3 | 2.67 | |
Melting pointoC; | 980 | |
Temp. of dehydration oC> | 320 | |
Refractive index | 1.58 |
4)Packing Details:
Net weight: 25Kg, paper-plastic composite bag with PE film interlined, protect from damp and hook.
18MT-20MT will be loaded in 1*20'fcl container
5)Storage:
Be stored in a clean and dry storehouse, don't to let it be rained on, no mix storage and transportation with acids is allowed.
Green Environmental Flame Retardants Zinc Borate