What are the inspection items for precision ceramics?
Precision ceramic mechanical properties: density, hardness, surface resistivity, dielectric properties, tensile properties, impact properties, tearing properties, compression properties, bonding strength, wear resistance, low temperature properties, resilience performance;
Aging performance: heat aging, ozone aging, Hot Pressed Boron Nitride ultraviolet lamp aging, salt spray aging, xenon lamp aging, carbon arc lamp aging, halogen lamp aging;
Liquid resistance: lubricating oil, gasoline, engine oil, acid, alkali, organic solvent, water;
Combustion performance: vertical combustion, alcohol burner combustion, roadway propane combustion, smoke density, burning rate, effective combustion heat value, total smoke emission;
Applicable performance: hydraulic resistance, impulse test, electrical conductivity, water tightness, air tightness;
Production parameters: melt index, viscosity, mold shrinkage, melting temperature, etc. [3]
Conventional performance
Plastic ABS is non-toxic and tasteless, and its appearance is ivory translucent, or transparent granular or powdery. Density is 1.05~1.18g/cm3, shrinkage rate is 0.4%~0.9%, elastic modulus value is 2Gpa, Poisson's ratio value is 0.394, moisture Hot Pressed Boron Nitride absorption <1%, melting temperature 217~237℃, thermal decomposition temperature>250℃ .
Mechanical properties
Plastic ABS has excellent mechanical properties, its impact strength is good, and it can be used at extremely low temperatures; plastic ABS has excellent wear resistance, good dimensional stability, and oil resistance, and