Luoyang mining machinery factory hoisting machine press block fixed block products including various specifications of multi rope friction hoist press block, fixed block, and can be produced as other phenolic molding plastic products for the user.
Table of parameters for fixed block of hoist Item relative density bending strength impact strength Water absorption Data 1.4~1.5 60~100Mpa 10~20Mpa 0.4~0.8% Item Martin heat resistance Surface resistivity Volume resistivity Dielectric strength Data >110 109Ω > 109Ω > 10 KV / mm
