Insulation electrical strength: (room temperature 2500V/50Hz) No breakdown in one minute
Leakage current: ≤0.025mA under normal working condition and ≤10 mA in water after breaking
Acid corrosion resistance: boiling in 5% sulfuric acid solution for 6h, corrosion rate <10g/m2.h
Alkali corrosion resistance: boiling in 30% sodium hydroxide solution for 6h, corrosion rate <0.6g/m2.h.

Technical indicators:
Flexural strength: ≥900Mpa, room temperature
Fracture toughness: 6.0-8.0 Mpa.m1/2, room temperature
Bulk density: 3.20-3.4g/cm3
Volume resistivity: 1014 Ω.cm, room temperature
Relative dielectric constant: 6-7, room temperature
Thermal conductivity: 23-25W/(m-k)
Thermal inflation coefficient: 3.1 × 10-6 / ° C
Hardness: HRA92-94

Mechanical properties:
Hardness (HRA): 92.0~94.0
Fracture toughness (Mpa.m1/2): 6.0~8.0
Bending strength (Mpa): ≥900