Product Main

Specifications

Product Name: Barium sulfate.         CAS No: 7727-43-7
 Molecular Formula: BaSO4             Formula WT: 233.39      
Package: 25kgs plastic woven bag.
Specification:
Items
Index
Main content % ≥
98.0
Whiteness% ≥
98.0
PH
6.5-8.0
Oil Absorption (g/100g)
15-25
105 °C Volatile %≤
0.2
Water soluble% ≤
0.25
Acid-soluble material %≤
0.6
Sulfide %≤
0.003
Iron %≤
0.004
Melting point
1580°C
Proportion (15°C)
4.5
Appearance
White powder
Application:
Paints and Thick Coatings
Low ratio surface, particle distribution and easy fluidity.
Avoid crack and the transmittance of ultraviolet ray and water.
Guarantee the low abrasiveness and keep good uniformity and smoothness when used in high filling.
Finishing Coat
Excellent luster and fine particle gravity.
Strengthen the mechanical hardness.
Avoid the damage under exposure.
Improve the surface hardness and color stability.
Latex Paint
Easy dispersion, optical activity and easy fluidity.
Used in latex and high gloss paint, known as “acid resistant” latex paint.
Printed Oil Ink
Low abrasiveness, high luster, color stability, low coherence and easy fluidity  .
Applicable in high grade printed oil ink and high optical activity oil ink.
Wood products and Paints
Low coherence, light dispersion and low particle gravity.
Avoid crack and the transmittance of ultraviolet ray and water.
Applicable in finishing coating pigment, varnish, lacquer and so on.
Powder Coating
Improving the luster, fluidity, filling and compatibility with kinds of pigment.
Thermoplastics
Reduce the forming time.
As nucleating agent, can improves its hardness and thermal stability.
Pigment
Keep the complete color well by light reflection.
Paper coating
Improve the luster and fluidity.