35kV Application Snap-In Silicone Rubber Bird-Proof Cable Insulation Cover Tubes

Performance Properties:

1. Shore Hardness (HA): 65 (≥50)

2. Tensile Strength (Mpa): 15 (≥9)

3. Elongation Ratio %: 482 (≥400)

Hot Air Aging Test @ (100℃ × 168h)

4. Hardness Change: 3.5 (-5~+10)

5. Tensile Strength Change Rate %: 12.7 (＜25)

6. Elongation Ratio Change Rate %: 18 (＜40)

Hot Air Aging Test @ (70℃ × 48h)

7. Recovery Rate after Hot Air Aging (Da) %: 31.5 (3 Class, 50% Da≤60%)

8. Shore Hardness Change (-20℃~0℃): 5.1 (≤10)

9. Shore Hardness Change (0℃~23℃): 0.2 (≤10)

10. Shore Hardness Change (23℃~70℃): 2.7 (≤10)

11. Low Temperature Brittleness Temperature (-40℃): NO Brittle @-40℃

12. High Temperature Brittleness Temperature (220℃): NO Brittle @220℃

13. Volume Resistivity Ω·cm: 1.5*10∧13Ω·cm (≥1.1*10∧13Ω·cm)

14. Surface Resistivity Ω: 1.2 (＜2.0)

15. Puncture Strength KV/mm: 10~220KV/mm

16. Ozone Aging Resistance Properties (500pphm Elongation 20% @40℃ × 48h): NO Fracturing on Surface