PRODUCTS
Product Introduction
Product Physical Properties
Product Damping Performance
Product Application
Technological Advancement and Core Competitiveness

Product Physical Properties

Item

Mineral composites

Cast iron

Natural granite

Bulk density/（g/cm³）

2.41-2.65 g/cm³

6.6-7.4 g/cm³

2.65-3.02 g/cm³

Compressive strength/MPa

130-180MPa

50-120MPa

245-254MPa

Tensile strength/MPa

20-25 MPa

10-40MPa

No

Bending strength/MPa

30-45 MPa

21-68MPa

30-37.5 MPa

Modulus of elasticity/MPa

30-42GPa

115-160 GPa

45-48GPa

Poisson's ratio

0.21-0.32

0.23-0.27

0.125

Coefficient of thermal expansion/K-1

（8.8-9.5）×10-6K-1

8.5-11.6×10-6 K-1

5.7-7.34×10-6 K-1

Thermal conductivity/〔W/(m·K)〕

1.22

39.2

2.5

Specific heat capacity(J/(kg·K))

1083

470

750

Water absorption/％

<0.1%

无

<0.13%