Zinc Borate Heptahydrate

Zinc Borate Heptahydrate 1)MF:2ZnO 3B2O3 7H2O 2)Purity:ZnO:33-36%;B2O:39-42%. 3)Form:White Powder 4)Package:25kgs/bag

Zinc Borate Heptahydrate

 

1)Physical and Chemical Properties:

 

Molecular Formula:2ZnO 3B2O3 7H2OMolecular Weight : 497.7358

Appearance: white crystal powderRelative Density: 2.98Melting Point: 960°C Toxicity: <LD50> 1g/KgIndex of Refraction: 1.36

 

2)Usage:

Zinc Borate Heptahydrate reaches the peak of loss-heat at 242°C. Its unique character fits with special rubber and paint.

3)Specifications:

 

Item/Grade	Zinc borate ( 2ZnO 3B2O3 7H2O )
	Excellent grade	First grade
Whiteness	99	95
Surface water % ≤	0.5	1.0
Particle size, um	5-7	5-7
ZnO, %	33-36
B2O3 , %	39-42
Loss on ignition,%	24-26.5
Pb % ≤	0.0005
Cd %  ≤	ND
Cr % ≤	ND
Hg % ≤	ND

 

 

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.

Zinc Borate Heptahydrate