聚酰亚胺膜, PI, Black, 0.025mm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]	610mm
Colour[颜色]	Black
Grade[等级]	DuPont™ Kapton® B
Thickness[厚度]	0.025mm
Chemical Resistance(耐化学性)
Acids - concentrated	Poor
Acids - dilute	Fair
Alcohols	Poor
Alkalis	Poor
Aromatic hydrocarbons	Good
Greases and Oils	Good
Halogenated Hydrocarbons	Good
Halogens	Fair
Ketones	Good
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ )	30.000 - 60.000
Heat-deflection temperature - 1.8MPa ( C )	360.0
Lower working temperature ( C )	-270
Specific heat ( J K⁻¹ kg⁻¹ )	1090.0
Thermal conductivity ( W m⁻¹ K⁻¹ )	0.10 - 0.35 @23℃
Upper working temperature ( C )	250 - 320
Electrical Properties(电气特性)
Dielectric constant @1MHz	3
Dielectric strength ( kV mm⁻¹ )	22.0
Dissipation factor @ 1kHz	0.0018
Surface resistivity ( Ohm/sq )	10¹⁶
Volume resistivity ( Ohmcm )	10¹⁸
Mechanical Properties(机械性能)
Coefficient of friction	0.42
Elongation at break ( % )	8.0 -70.0
Hardness - Rockwell	E52-99
Izod impact strength ( J m⁻¹ )	80.0
Tensile modulus ( GPa )	2.00 - 3.00
Tensile strength ( MPa )	70.00 - 150.00
Physical Properties(物理性质)
Density ( g cm⁻³ )	1.420
Flammability	V-0
Limiting oxygen index ( % )	53
Radiation resistance	Good
Refractive index	1.660
Resistance to Ultra-violet	Poor
Water absorption - over 24 hours ( % )	0.200 - 2.900