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Specifications

Flame Retardant ZB
 
1.Basic Index
Molecular formula
2ZnO·3B2O3·3.5H2O
Molecular weight
435.4
Appearance
white powder
Melting point
980°C
2.Technical Index
Name
Product Index
Boric oxide B2O3
45-48
Zinc oxideZnO
37-40
Ignition loss
13.5-15.5
Free water
≤1
Relative density
2.69
Whiteness
95-99
Refractive index
1.58-1.59
Medium grain size
2-5μm
General type:better flam retarding effect and can replace antimonous oxide
Environmental-friendly type:low plumbum and cadmium, and passed SGS testing autentication and fits ROHS standard in EU.
3.Application Field
     Flame Retardant ZB is inorganic addition flame retardant. Its characteristics are that it has good hot stability, and not only stops buring and vanishes smokings but also be used with other inorganic flame retardant. It is used in epoxy resin, unsaturated polyester, polyurethane, etc. And it is widely used in rubber, plastic, cable, wood,etc.

4.Packing and store
packing: brown paper double deck tectorial bag, and net weight per bag is 25kg.
store: storing in dry, ventilated and moistureproof conditions