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LY—Standard Grade—VR (High Volume Resistivity Functional Type)
Compared with standard-grade products, the functional LY—standard-grade—VR product exhibits superior insulation performance and enhanced resistance to water erosion. When the AH content in the base formulation is 65%, the volume resistivity measured at 20°C can be improved by an order of magnitude. Moreover, under conditions of immersion in 70°C hot water for 168 hours, the tensile property degradation rate remains below 30%, making this product suitable for cable processing in special operating conditions that demand high voltage and stringent insulation performance.
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Keywords:
Physical filtration, ion exchange, membrane filtration, storage systems, auxiliary systems
Product Description
| Sample Name | Particle size (μm) | Loose packing density (g/cm³) |
Oil absorption value | Whiteness | pH | Electrical conductivity | Content (%) | |||||||||
| D10 | D50 | D90 | D97 | D100 | Span | ml/100g | us/cm | Silicon dioxide | Fe₂O₃ | Sodium oxide | Loss on ignition | Moisture | ||||
| LY-18SPA | 0.914 | 1.940 | 3.467 | 4.365 | 8.038 | 1.316 | 0.38 | 30 | 98.93 | 8.64 | 53.7 | 0.002 | 0.003 | 0.109 | 34.56 | 0.15 |
| LY-18SPA-VR | 0.865 | 1.785 | 3.294 | 4.172 | 7.130 | 1.361 | 0.33 | 29 | 98.62 | 10.05 | 91.3 | 0.075 | 0.003 | 0.107 | 34.52 | 0.20 |
| Sample Name and Number | Comparison of Application Performance Before and After 7 Days of Soaking in 70°C Hot Water (Testing Conducted Directly on Dumbbell Specimens After Immersion in Accordance with the Standard) | |||||||||||||||
| Tensile strength | Elongation at break | Melt Index Before Water Immersion | Volume resistivity at 20°C before immersion in water | Remarks | ||||||||||||
| Before soaking | After soaking | Rate of change | Before soaking | After soaking | Rate of change | |||||||||||
| Sample Name | Experimental group | Mean | Mean deviation | Mean | Mean deviation | Rate of change of the mean | Average Deviation Rate of Change | Mean | Mean deviation | Mean | Mean deviation | Rate of change of the mean | Average Deviation Rate of Change | 6 g/160°C/21.6 kg | ||
| (MPa) | (MPa) | (MPa) | (MPa) | (%) | (%) | (%) | (%) | (g/10min) | (*10¹¹ Ω·m) | |||||||
| LY-18SPA | 1 | 14.089 | 0.084 | 10.886 | 0.146 | -22.73% | 73.81% | 188.345 | 13.129 | 51.202 | 2.389 | -72.81% | -81.80% | 2.080 | 18.000 | Increase the hydrogen-aluminum addition to 65% for testing, while simultaneously conducting water resistance tests for comparison. |
| 2 | 13.739 | 0.124 | 10.910 | 0.224 | -20.59% | 80.65% | 197.744 | 5.189 | 54.530 | 2.045 | -72.42% | -60.59% | 2.000 | 17.070 | ||
| Mean | 13.914 | 0.104 | 10.898 | 0.185 | -21.66% | 77.23% | 193.045 | 9.159 | 52.866 | 2.217 | -72.62% | -71.20% | 2.040 | 17.535 | ||
| LY-18SPA-VR | 1 | 14.211 | 0.098 | 11.717 | 0.138 | -17.55% | 40.82% | 186.314 | 2.755 | 178.538 | 10.845 | -4.17% | 293.65% | 1.130 | 110.880 | |
| 2 | 14.013 | 0.070 | 11.354 | 0.127 | -18.98% | 81.43% | 194.628 | 3.708 | 174.523 | 9.415 | -10.33% | 153.91% | 1.180 | 113.770 | ||
| Mean | 14.112 | 0.084 | 11.536 | 0.133 | -18.26% | 61.12% | 190.471 | 3.232 | 176.531 | 10.130 | -7.25% | 223.78% | 1.155 | 112.325 | ||
Product Features:
Compared with standard-grade products, the functional LY–standard-grade–VR product exhibits superior insulation performance and enhanced resistance to water erosion. When the AH content in the base formulation is 65%, the volume resistivity measured at 20°C can be improved by one order of magnitude. Moreover, under conditions of immersion in 70°C hot water for 168 hours, the tensile property degradation rate remains below 30%, making this product suitable for cable processing in special operating environments that demand high voltage and stringent insulation performance.
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