Test report of PA rod | ||||||
Items | Unit | Result | ||||
Water absorption | % | 0.01 | ||||
Impact strength (Charpy notched) | KJ/m2 | 1.9 | ||||
Permittivity (50 Hz) | _ | 2.16 | ||||
Dissipation Factor(50 Hz) | _ | 1.62*10-3 | ||||
Insulation resistance | Ω | 1.0×1015 | ||||
Dielectric Strength (In normal degree C oil,Rapid pressure rise) | MV/m | 17.0 | ||||
Oil resistant stability (In 50°C 25# transformer oil,100h) | Appearance | _ | No layer,no foam | |||
Rate of change,Dia. | % | 0 | ||||
Rate of change,Thickness | 0.11 | |||||
Rate of change,Weight | 0.10 | |||||
Acid-resisting stability (In 10%HC1 solution,100h) | Appearance | _ | No layer,no foam | |||
Rate of change,Dia. | % | -0.03 | ||||
Rate of change,Thickness | -0.03 | |||||
Rate of change,Weight | -0.02 | |||||
Alkali-resisting stability (In 10%NaOH solution,100h) | Appearance | _ | No layer,no foam | |||
Rate of change,Dia. | % | -0.03 | ||||
Rate of change,Thickness | -0.05 | |||||
Rate of change,Weight | -0.010 | |||||
Salt-resisting stability (In 10%NaC1 solution,100h) | Appearance | _ | No layer,no foam | |||
Rate of change,Dia. | % | -0.02 | ||||
Rate of change,Thickness | -0.07 | |||||
Rate of change,Weight | -0.012 |