| 出生地 |
Hebei China (Mainland) |
| 牌子的名字 |
Zhongbo Heavy |
| 模式的数量 |
300*300*80-1500*2000*300 |
Granite mainly consists of pyroxene,pkaguickase,a small amount of olivine ,biotite and micromagetite.Its structure is hard and compact.It has solidified in a natural way over millions of year resulting in his hogeneity ,reliable stability,high strength and super hardness .It can keeprelatively high precision under heave load.Its suitable for measuring applications in factories and laboratories. Physical properties Specific Gravity: 2970-3070kg/m3 Comprissive Strength: 245-254N/ mm2 Elastic Modulus: 1.27-1.47N/ mm2 Linear Expansion Coefficient 4.61*10-6/°C Water Absorption: <0.13% Shore Hardness: Hs70 upwards of