This product is mainly used for BYJ wire insulation layer, composed of polyolefin resin, compound high-efficiency flame retardant, flame retardant synergist, carbonization agent, antioxidant, and auxiliary agent, etc. After mixing, it is granulated by twin-screw to meet the requirements of high flame retardancy, low toxicity of smoke, low corrosiveness, and no dripping. Complies with the B1 and B2 level classification combustion standards in GB 31247-2014 and the B1ca, B2ca, and Cca level classification combustion standards in EN13501-6.
| No. | Item | Unit | Standard | Typical values | ||||||
| DS-ZWG-105-B1 | DS-WDZF-105-B1 | DS-GW-105-B1 | DS-ZWG-105-B2 | DS-WDZF-105-B2 | DS-GW-105-B2 | |||||
| 1 | Specific Gravity | g/cm³ | / | 1.58 | 1.58 | 1.59 | 1.58 | 1.57 | 1.58 | |
| 2 | Tensile Strength | MPa | ≥10.0 | 10 | 11 | 11.5 | 10 | 11.5 | 11.5 | |
| 3 | Elongation at Break | % | ≥150 | 175 | 175 | 170 | 175 | 180 | 175 | |
| 4 | Oxygen Index | % | ≥28 | 40 | 40 | 40 | 38 | 38 | 38 | |
| 5 | Air Thermal Aging 135℃ 168h |
Change Rate of Tensile Strength | % | ±25 | +15 | +15 | +15 | +15 | +18 | +16 |
| Change Rate of Elongation | % | ±25 | -17 | -18 | -20 | -17 | -13 | -18 | ||
| 6 | Hot Elongation 200℃ 0.2MPa 15min |
Elongation Under Load | % | ≤100 | 35 | 50 | 50 | 35 | 50 | 50 |
| Permanent Deformation After Cooling | % | ≤25 | 0 | -5 | 0 | 0 | 0 | 0 | ||
| 7 | Smoke Density | Flaming | / | ≤100 | 45 | 55 | 45 | 45 | 65 | 55 |
| Flameless | / | ≤350 | 255 | 260 | 260 | 255 | 270 | 275 | ||
| 8 | Volume Resistivity at 20℃ | Ω·cm | 1.0×10^14 | 4.5×10^14 | 5.0×10^14 | 2.5×10^14 | 4.5×10^14 | 4.8×10^14 | 2.3×10^14 | |
| 9 | Dielectric Strength | MV/m | ≥20 | 28 | 28 | 28 | 28 | 28 | 28 | |
| 10 | Low Temperature Brittleness Temperature | ℃ | -25 | Pass | Pass | Pass | Pass | Pass | Pass | |
| 11 | pH Value | / | ≥4.3 | 5.2 | 5.1 | 5.1 | 5.2 | 5.2 | 5.2 | |
| 12 | HCl and HBr Content | % | ≤0.5 | ＜0.5 | ＜0.5 | ＜0.5 | ＜0.5 | ＜0.5 | ＜0.5 | |
| 13 | Conductivity | μS/mm | ≤10 | 0.51 | 0.53 | 0.53 | 0.51 | 0.51 | 0.52 | |
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