Compounded silicone rubber RH-NE670
Category:
Organosilicon Material Solutions for Power and Wire & Cable Applications
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Phone:020-36896519
Product Introduction
Precipitation‑type compounded silicone rubber RH‑NE670 is suitable for peroxide curing at low temperatures in extrusion and thermal‑curing ovens, and is widely used for insulation layers in cables that comply with national standards. It meets the testing requirements of halogen‑free, FDA, RoHS, and REACH regulations.
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Test Items |
Unit |
Test Standard |
Test Requirements |
Typical value |
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Appearance of the rubber compound |
Visual estimation |
Translucent |
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Plasticity |
cmm |
GB/T 12828-2006 |
260-290 |
280 |
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Vulcanization rate at 120℃: T10/T90 |
S |
GB/T16584-1996 |
T10>15,30 |
15.45 |
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Dumbbell plate molding conditions: 140°C × 5 min; aging strip: 158°C × 60 days. |
NRRG4mm2 |
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Test Items |
Unit |
Test Standard |
Before aging |
After aging |
Before aging |
After aging |
|
Hardness |
ShoreA |
GB/T 531.1-2008 |
70 |
75 |
68 |
73 |
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Density |
g/cm3 |
GB/T 533-2008 |
1.21 |
1.22 |
1.21 |
1.22 |
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Tensile strength |
MPa |
GB/T528-2009 |
7.2 |
5.5 |
8 |
8 |
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Elongation |
% |
GB/T528-2008 |
260 |
150 |
300 |
200 |
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Tear strength |
kN/M |
GB/T529-2008 |
24 |
14 |
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-- |
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Electrical Properties of Dumbbell Plates |
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Test Items |
Unit |
Test Standard |
Test Requirements |
Typical value |
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Low-impact resistant |
°C |
GB/T 2423.1-2008 |
≥40 |
≥40 |
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Breakdown voltage |
KV/mm |
ASTM D149 |
≥18 |
20.5 |
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Volume resistivity |
10*15Qcm |
IEC 60093 |
≥1 |
2.1 |
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Limited-edition full-range products |
Halogen-free |
ROHS REACH |
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Special Note: Typical values are for reference only and shall not be used as the basis for actual determination.
Storage conditions: The rubber compound and color masterbatch should be stored at room temperature (≤25°C) in a sealed container, protected from direct sunlight; shelf life is 6 months. Vulcanizing agents A and B must be stored separately, sealed, and refrigerated at 4°C; their shelf life is 3 months.
Keywords:
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