1. U29 type Underground Roof Support is under pressure and has long support time and is easy to install and not easy to deform.
2. The U29 Type Underground Roof Support has retractability and stable load capacity compared to other Underground Roof Supports to accommodate the load and deformation of soft surrounding rock.
3, U29 type Underground Roof Support section high utilization bracket support easy to repair small.
4, the Underground Roof Support recycling and recycling rate is high, reducing the environmental benefits of the use of pit wood is very obvious.
Main parameters of U29 Underground Roof Support
Height: 124mm
Thickness: 16mm
Theoretical weight: 29kg/m
Modulus of elasticity: 200GPa
Volume weight: 7800kg/m3
Tensile strength (TS) is greater than 575MPa
Elongation EL is greater than or equal to 26%
The average value of impact energy (J) at 20 ° C should reach 54.
The yield strength (YS) is greater than 400 MPa.
U29 Type Underground Roof Support has been exported to the United States, France, Canada, Indonesia, Russia, Vietnam, Australia, South Korea, Iran and other countries, and has won unanimous praise from customers.