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High purity powder, used with other stannates as a Curie peak modifier in Barium Titanate ceramic capacitor compositions to produce bodies having an intermediate dielectric constant level.

Analysis

Formula:		Bi 2 O 3 .3SnO 2
Formula Name		Bismuth Stannate
Description:		Micronised cream coloured powder

		Specification	Typical
Bi 2 O 3			50.75
SnO z			49.25
As, Co, Cu, Fe,	In, Ni, Pb, Sb		00.05 max.
(As individual <	axides)
Ag, Cd, Mg, Mn, Zn, Si, Al			00.01 max.
(As individual	oxides)

Theoretical Bismuth Oxide / Tin Oxide Mole Ratio 1:3

Physical Properties

Specific Gravity	ND
Ignition Loss	<0.5 (1000°C for 1 hour)
Particle Size	99% <10 microns
	95% <5 microns
	(Determined by Malvern Mastersizer 2000)

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Product Code: BISSTAN