Standard: SY/T0447-96 Serial No. Item Name Unit Standard Remarks

Color and Appearance: Glossy black, full range of baseband widths, various mounting options, also available for custom production to meet customer requirements.

2. Drying Time (at 25 °C) H ≤4, Full Drying Time (at 25 °C) H ≤16

3. Thickness mm: Reinforced ≥0.4, Super-Reinforced ≥0.6

4. Electric Spark Test kv Enhanced Level (0.4mm) ≥2.5, Super Enhanced Level (0.6mm) ≥3.0, Ultra Enhanced Level (0.8mm) ≥5.0

5. Peel Adhesion: 180 degrees, 20N/cm for room temperature adhesive, 12N/cm for low-temperature adhesive, 5N/cm for ultra-low-temperature adhesive.

6. Impact Resistance kg.cm ≥50

7. Dielectric Strength MV/m ≥ 20

8. Volume resistivity Ω·m ≥ 1×10^10

9. Steam Permeability (24h) mg/cm² < 0.43

10 Use Temperature °C ≥ 5