Product Description

99.2%min precipitated Barium Carbonate

Applications: Used in manufacturing other barium salts, image tubes, storage batteries, capacitors, ceramics, vitreous enamel, optical glass, pigments, rubber, paints, ferrite, welding rods, steel carburizing, radio components, and bricks for high-rise buildings.

Implemented standard: GB/T1614-1999GB/T614-1999

Quality standard: GB/T1614-1999GB/T614-1999

Characteristics			Standard
Characteristics			High-class products	First-class products	Qualified products
Main content (BaCO₃)		% ≥	99.2	99.0	98.5
Moisture content		% ≤	0.30	0.30	0.30
Insoluble in HCL solution		% ≤	0.15	0.25	0.50
Total sulphur (SO₄)		% ≤	0.25	0.35	0.45
Chloride (Cl)		% ≤	0.01	-	-
Ferrum (Fe)		% ≤	0.004	0.004	0.008
Fineness	125 μm Shorts125 μm	% ≤	0.20	0.30	0.50
	850 μm sieve residue	% ≤	1	1	1
	150 μm Shorts 150 μm	% ≥	85	85	85
Note: 1. For ceramic capacitor powder, there should be no more than 1% of 45μm residue on test sieve. 2. Index of incinerated residue of HCl insoluble, for wet granulation products is decided by supplier and purchaser.

Packaging and transport: Packaged in Kraft paper or plastic woven bag, net wt 25 or 50 kg. Avoid rain or contact with foods during transport.

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