Hebei, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Main Products:
International Commercial Terms(Incoterms):
OEM/ODM Service
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Zinc Borate, Flame Retardant Zinc Borate, Flame Retardant Zb manufacturer / supplier in China, offering 99.9% Flame Retardant Zinc Borate/Flame Retardant Zb, High Quality Urea N46% Granule for Agriculture, High Purity Copper Wire Scrap 99.9% and so on.

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99.9% Flame Retardant Zinc Borate/Flame Retardant Zb

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Min. Order / Reference FOB Price
20 Tons US $1,500-1,600/ Ton
Port: Tianjin, China
Production Capacity: 1000 Metric Ton/Metric Tons Per Year
Payment Terms: L/C, T/T, D/P
Efficacy: Flame Retardant Zb
Classification: Chemical Additives
Type: Flame Retardant
Appearance: Powder
Color: White
CAS No: 12767-90-7

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Basic Info

Model NO.: 99.9%
Purity: 95%Min, ZnO:37.0-40.0%
Model Number: Zb200/Zb400/Zb600/Zb800/Zb1500
Mf: 2ZnO.3b2o3.3.5h.O
Grade Standard: Industrial Grade
Certificate: ISO . SGS
Shelf Life: 24 Months
Export: Global
Trademark: HY
Transport Package: 25kg Bag or as Your Request
Specification: national standard
Origin: China
HS Code: 2840200010

Product Description

Flame retardant Zinc borate/Flame Retardant ZB 99.9%

1)Physical and Chemical Properties:
Molecular Formula: 2ZnO 3B2O3 3.5H2O
Molecular Weight 434.68
H. S Code: 2840200000
CAS No.: 1332-07-6
EINECS No.: 215-566-6
Appearance: White powder
Relative Density: 2.67
Melting Point: 980
Toxicity: <LD50> 1g/Kg
Index of Refraction: 1.58

1. Zinc borate can be used as multi-functional synergistic additives with antimony oxide or other halogenated flame retardants to significantly improve the flame retardant performance, remove smoke emission and adjust the balance on chemical, mechanical, electrical etc properties.
2. As environmental protection substitute to replace current Antimony Oxide or halogen flame retardants, Zinc borate is directly used in PVC, PE, Polyolefin, Epoxy Polyamide etc resins and rubber process. Moreover, it is widely used in textile, fiber, floor, leather, wall paper, carpet, paint etc decorative materials to improve flame retardant performance.
3. Base on its chemical properties, Zinc borate is also used on anti-corrosion, infra red absorption, fungicide for wood preservation etc fields.

Product name

F lame retardant Zinc borate

Chemical property

CAS No:1332-07-6

Molecular Formula: ZnB4O7


White color powder


ZnO % : 37.74

B2O3 % : 47.65

Surface Water % : 0.14

Water of crystallization % : 13.70

Lead content (ppm) % : 6.80

Cadmium (ppm) % : 1.43

Specific gravity: 2.67

Melting point oC: 980

Temp. of dehydration oC: 320

Refractive Index :1.58

Whiteness : 97

Particle Size D50 (um): 1.88


1.Inorganic addition flame retardan
2.Good hot stability
3.Used in rubber, plastic, cable, wood

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