Metallised on both sides with Aluminium.

订货号	包装规格
Sizes
389-663-49	50mm x 50mm
707-926-45	100mm x 100mm
683-452-20	200mm x 200mm

半岛bd体育手机客户端 参数

Grade[等级]	Piezo-electric Film
Ohms/Square[欧姆/平方]	2
Structure[结构]	Biaxially Oriented
Thickness[厚度]	0.025mm
Mechanical Properties(机械性能)
Abrasive resistance - ASTM D1044 ( mg/1000 cycles )	24
Coefficient of friction	0.20 - 0.40
Elongation at break ( % )	50.0
Hardness - Rockwell	R77-83
Izod impact strength ( J m?? )	120.0 - - 320.0
Poisson's ratio	0.340
Tensile modulus ( GPa )	1.00 - 3.00
Tensile strength ( MPa )	25.00 - 60.00
Physical Properties(物理性质)
Density ( g cm?? )	1.760
Flammability	V-0
Limiting oxygen index ( % )	44
Radiation resistance	Fair
Refractive index	1.420
Resistance to Ultra-violet	Excellent
Water absorption - over 24 hours ( % )	0.040
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10?? K?? )	80.000 - 140.000
Heat-deflection temperature - 0.45MPa ( C )	120 - 150
Heat-deflection temperature - 1.8MPa ( C )	80.0 - 115.0
Lower working temperature ( C )	-40
Thermal conductivity ( W m?? K?? )	0.10 - 0.25 @23℃
Upper working temperature ( C )	135 - 150
Chemical Resistance(耐化学性)
Acids - concentrated	Good
Acids - dilute	Good
Alcohols	Good
Alkalis	Fair
Aromatic hydrocarbons	Good
Greases and Oils	Good
Halogenated Hydrocarbons	Good-Fair
Halogens	Good-Poor
Electrical Properties(电气特性)
Dielectric constant @1MHz	8
Dielectric strength ( kV mm?? )	13.0
Dissipation factor @ 1kHz	0.0600
Surface resistivity ( Ohm/sq )	10??
Volume resistivity ( Ohmcm )	10??

其他参数

公差

长度	<100mm	±1mm
	≥100mm	+2% / -1%
直径	<100mm	±1mm
	≥100mm	+2% / -1%
厚度		±10%
长度 1	<100mm	±1mm
	≥100mm	+2% / -1%
长度 2	<100mm	±1mm
	≥100mm	+2% / -1%