Barium Sulphate Precipitated

Chemical Name: Barium Sulphate Precipitated
Another Name: Barite, Barium Sulphate
Molecular Formula: BaSO₄
Molecular Weight : 233.34
CAS No.: 7727-43-7
Standard Executed: HG/T 3588-1999 GB/T 2899-2017

Appearance
Light yellow crystals (natural) or white powder (synthetic).

Application
• Barite is a very important non-metallic mineral raw materials, mainly used for: drilling mud weighting agent, paper industry, rubber and plastic industry also use barite as filler;
• Precipitated barium sulfate is mainly used as raw material or filler for paints, inks, plastics, pigments, cosmetics, storage batteries and rubber products.

Packing
• Net weight : 25kg;
• PP woven bag, with inner PE plastic bag.

Specification

Item	Standard
Item	Barite	Barium Sulphate Precipitated
Barium sulfate (BaSO₄) ω/% ≥	95.0	98.0
Silicon dioxide (SiO₂) ω/% ≤	3.0	---
Burst degree, %	60	---
105°C volatiles ω/% ≤	--	0.20
Water soluble matter ω/% ≤	---	0.30
Iron (Fe) ω/% ≤	---	0.003
whiteness ≥	---	94.0
Oil absorption/(g/100g)	---	10-30
PH (10% suspended matter)	---	6.5-9.0
Fineness (45μm sieve residue)ω/% ≤	---	0.1
Sulfide (as S) ω/% ≤	---	0.003
Median particle size (D50)/μm ≤	---	2.0

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