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- Refined Precipitated Barium Sulfate
- Superfine Precipitated Barium Sulfate
- Modified Precipitated Barium Sulfate
- Nano Precipitated Barium Sulfate
- Precipitated Barium Sulfate for Powder Coating
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- Precipitated Barium Sulfate for Friction Materials
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- Nano Barium Sulfate Functional Masterbatch
- Sodium Sulphide(Yellow Flakes)
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Product Name: Precipitated Barium Sulfate (BaSO4) for Friction Material
Properties: White powder with high purity and extremely low impurity content (Cl, Fe, Si, etc.), high specific gravity (approximately 4.3-4.5), small particle size, and low oil absorption value. It exhibits very stable chemical properties, being insoluble in water, acids, bases, and organic solvent (except under rare strong reducing conditions), and is resistant to corrosion. It has excellent high-temperature resistance.
Packaging: 25 kg/bag, with the inner bag made of polyethylene plastic film with a drawstring closure, and the outer bag made of polypropylene woven plastic with machine-stitched seams; or multilayer paper bags with machine-stitched seams. Custom packaging is also available according to user requirements.
Precautions: Protect from exposure to sunlight and rain; store in a dry and ventilated warehouse with a base layer to prevent moisture; do not store or transport with colored items to avoid contamination; prevent packaging damage during loading and unloading.
Function: Treated through a special production process, it can stabilize the friction coefficient, reduce noise and vibration, and improve thermal conductivity. It is used as a functional filler in friction materials and is widely applied in automotive brake pads, clutch plate, train brake shoe, high-speed rail braking system, and aerospace braking component.
Technical index:
|
Project |
Index |
|
Barium Sulfate(BaSO4) ω/% ≥ |
98.5 |
|
Volatile on 105℃ ω/% ≤ |
0.15 |
|
Whiteness ≥ |
97.5 |
|
Oil Absortion (g/100g) |
15~20 |
|
PH Value(10% suspensions) |
7.0~9.0 |
|
Fe % ≤ |
0.0008 |
|
Particle Size(D50) μm |
0.75~0.85 |
