SF-1B bronze bushing is made of bronze base, sinter with bronze powder and PTFE layer with filling material of anti-high temperature. It has high safety factor, and is particularly appropriate for high temperature environment where no oil is effcient and
| Grade | SF-1B | |
| Material | Copper plate+Copper powder+(PTFE+ filler) | |
| Load capacity | Static load N/mm2 | 250 |
| Dynamic load N/mm2 | 140 | |
| Oscoillation Load N/mm2 | 60 | |
| Max line speed | Dry friction m/s | 2.5 |
| Oil lubricationm/s | >5 | |
| PVvalue limit | Dry friction N/mm 2 · m/s | 1.8 |
| Oil lubricationN/mm 2 · m/s | 3.6 | |
| Friction coef uμ | Dry friction | 0.08~0.20 |
| Oil lubrication | 0.02~0.12 | |
| Mating shaft | Hardness HB | >220 |
| Roughness Ra | 0.4~1.25 | |
| Working temperature°C | -200~+280 | |
| Thermal conductivity W/mk | 60 | |
| Coefficient of linear expansion | 18×10 -6/K | |
| Outside surface Plating | No | |
At present, the product has been widely used in metallurgical iron and steel industry, continuous casting machine billet raceway, high temperature furnace equipment, cement grouting pump and screw conveyor.