Customization: | Available |
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Color: | Dark Brown |
Diameter: | 4 mm |
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Audited by an independent third-party inspection agency
Appearance | Spherical type, dark brown surface, rough and porous |
Bulk density | 1.8 ~ 2.4g/cmg |
Density | 38~45% |
Porosity | <0.14% |
Breakage rate | <0.5% |
Abrasion rate | 2.6x10*cm*/g |
Specific surface area | <0.03% |
Loss on ignition | K60:1.10 ~ 1.30 |
Nonuniform coefficient | <1.3% |
Solubility of HCl | It does not contain trace elements harmful to human body |