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Zinc Borate
Chemical Name: Zinc Borate 2335 [ZB200 grade specification]
Brand Name: Chemtura ZB‐467; Firebrake ZB
CAS NO.: 1332‐07‐6/12767‐90‐7/138265‐88‐0
Chemical formula: 2ZnO∙3B2O3∙3.5H2O
Modecular Weight: --

Function


Whiteness                                                                            99

Surface water %........................................................................................................... 0.5 max.

Particle size (um)....................................................................................1 ‐ 3

ZnO %........................................................................................................................................... 37.0‐40.0

B2O3 %................................................................................................................. 48.0 ‐ 49.5

H2O(hydrate, %).................................................................................................... 13.0 ‐ 15.5

Fineness (Residue on 45um sieve, %).............................................................................. 0.1 max.

Specific gravity..................................................................................................2.67

Melting point °C...................................................................................................... 980

Temp. of dehydration °C................................................................................................. 290

Refractive index................................................................................................................................... 1.58

 

These properties are typical but do not constitute a specification either in part or as a whole.

Specification data is available on request from sales, customer service or customer technical service.



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