Fine grain diameter precipitated barium sulfate

precipitated barium sulfate98% low moisture used in coating&paint high whiteness

Basic Information:precipitated barium sulfate98%

CAS No.: 7727-43-7

EINECS No.: 231-784-4

MF: BaSO4

Purity: 98 min

Appearance: white powder, 325-3000 mesh

Application: It can be used as the raw materials or fillers in oil paint,ink,plastic,rubber and battery ,the Surface  smear  medicament of  the Printing paper and copper board , and sizing agent for textile industry. As clarifying agent,it can play a role of anti-foaming and increase the glossy of glass products. It also can be used as an anti-radiation protective wall materials. In addition,it’s widely used in pottery , enamel, spices and paints, etc. What’s more, it can be used as the raw materials to produce other barium salts.

Specification:

Grade		First grade	Results
BaSO4 (dry base) % ≥		98.0	98.06
Water solubles  %   ≤		0.3	0.22
acetic acid content % ≤		0.6	0.29
S content   % ≤		0.003	0.0015
volatile substance content % ≤		0.3	0.13
residue on sieve (100°C)  % ≤		0.2	0.012
Particle size	≤ 10um %	≥ 80
	≤5um %	≥ 60
	≤ 2um %	≥ 25
PH value 100g/L solution		6.5-9.0	neutral
Oil absorption		15-30	16.28
Whiteness ≥		94	95.6
Fe (Pb) content % ≤		0.004	0.001

Fine grain diameter precipitated barium sulfate