Specifications

Ultrasonic transducer
1.excellent corrosion resistance
2.high quality
3.specially formulated
4.long working life

17KHZ low frequency Piezoelectric ultrasonic transducer Specification:

Properties	Unit	Alumina			Zirconia
Content	%	≥95	≥99	≥99.7	≥94
Density	g/cm3	3.65	3.8	3.9	6
Hardness (Hv0.5)	GPa	13.1	15	17.1	13.2
Flexural strength	MPa≥	340	310	370	1000
Modulus of elasticity	GPa	300	330	350	200
Poisson’s ratio		0.23	0.23	0.23	0.30
Max use temperature	°C≥	1400	1750	1800	1050
Thermal expansion coeff.	×10-6/°C(40-800°C)	7.8	8	8	11
Thermal conductivity	W/m·K( 20°C)	22	28	31	2.6
Thermal shock resistance(in water)	°C	200	200	230	300
Dielectric Strength	V/m	15×106	15×106	15×106	11×106
Dielectric loss angle (1MHz)	×10-4	4	2	1	16
Dielectric Constant(1MHz)		9.2	9.8	9.9	33
Nitric Acid (60%)90°C	WT Loss mg/cm2/day≤	0.12	0.1	0.05	≠0
Caustic Soda(30%)80°C	WT Loss mg/cm2/day≤	0.53	0.26	0.04