Molecular formula

Mg2B2O5

Molecular weight

150.25

Chemical properties

corrosion resistant
 water insoluble

Appearance

white powder

Length  / Diameter

30-50

Melting point

1360°C

Relative density

2.91

Mohs hardness

5.5

Elastic modulus

264.60Gpa

Tensile strength

3.92Gpa

Mg2B2O5(≥)

99.00%

K+Na(≤)

0.10%

Fe(≤)

0.10%

Cl(≤)

0.10%

Acid insoluble(≤)

0.20%

Moisture(≤)

0.50%