No. | Property index | IEC61109 , DL/T1580-2016 standard requirement | Actual Value |
1 | Straightness | Length=1m,≤1.5mm | Length=1m, 0.8mm~1.2mm |
2 | Diameter tolerance | <= Φ30 mm: (+0.03~-0.02); >Φ30: (±0.03); | <=Φ30 mm: (+0.03~-0.02); >Φ30: (±0.03); |
3 | Roundness | Roundness <0.02 mm | Roundness <0.02 mm |
4 | Barcol hardness | 65~75 HBa | 68~72 HBa |
5 | Tensile strength | ≥1100MPa | 1180~1415 MPa |
6 | Bending strength | ≥900MPa | 950 ~1080MPa |
7 | Tearing Strength | >=35MPa | >=50MPa |
8 | Water absorption(20±2ºC,24h) | ≤0.05% | 0.006~0.028% |
9 | Dye penetration test | Test time: ≥15min, sample no penetration | Test time: >15min, sample no penetration |
10 | Water diffusion test | Leakage current less than≤50μA | Leakage current:18~35μA |
11 | Thermo bending strength Test temperature:150 ºC, Test time: 1h, Within 5 minutes | Thermo bending strength 300~350MPa | Thermo bending strength 300~350MPa; |
12 | Thermal induced performance test: Test temperature:150±2ºC, Test time: 4h, | No crack, no temperature variation (no surface discoloration). | No crack, no temperature variation (no surface discoloration). |
13 | Brittle fracture resistance test 1N HNO3, 80% SML withstand time=96Hrs | No Crack, no broken | No Crack, no broken |
14 | Electric puncture Strength | AC: >=30kV/cm DC:>=50kV/cm (+) | AC:>=50kV/cm DC:>=50kV/cm (+) |
15 | Power Frequency Withstand test 30minutes withstand at 80% of dry power frequency flashover voltage | No flashover, No Puncture Temperature increasing no more than 5K | No flashover, No Puncture Temperature increasing less than 5K |
16 | Dry lightening impulse withstand Voltage (+) | >=+100kV | >=+100kV |
17 | Volume Resistance (140ºC) | >=1×1010 (Ω.m) | >=1×1011 (Ω.m) |
18 | Anti-Swing Fratigue test 12×105 circle | No crack, No stress whitening | No crack, No stress whitening |