聚偏二氟乙烯,膜, PVDF, 0.028mm厚

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品牌:	Goodfellow
产地:	英国

产品介绍

产品参数

Coil Width[卷材宽度]	400mm
Grade[等级]	Piezo-electric Film
Orientation[定向/导向]	Uni-axially Oriented
Thickness[厚度]	0.028mm
Transparency[透明度]	Clear/Transparent
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⁻¹ )	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⁻³ )	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 ( x10⁻⁶ K⁻¹ )	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⁻¹ K⁻¹ )	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⁻¹ )	13.0
Dissipation factor @ 1kHz	0.0600
Surface resistivity ( Ohm/sq )	10¹³
Volume resistivity ( Ohmcm )	10¹⁴