聚乙烯低密度,膜, LDPE, 0.05mm厚, Clear/Transparent

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材料 >> 聚合物材料

品牌: Goodfellow
产地: 英国
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产品介绍

Lay-flat tubing which may be slit along one edge to give a coil of twice the width having a centre crease.

产品参数

Coil Width[卷材宽度]	600mm
Grade[等级]	Additive Free Polymer
Structure[结构]	Biaxially Oriented
Thickness[厚度]	0.05mm
Transparency[透明度]	Clear/Transparent
Chemical Resistance(耐化学性)
Acids - concentrated	Good-Fair
Acids - dilute	Good
Alcohols	Good
Alkalis	Good
Aromatic hydrocarbons	Fair-Poor
Greases and Oils	Good-Fair
Halogenated Hydrocarbons	Fair-Poor
Halogens	Fair-Poor
Ketones	Good-Fair
Physical Properties(物理性质)
Density ( g cm⁻3 )	0.920
Flammability	HB
Limiting oxygen index ( % )	17
Radiation resistance	Fair
Refractive index	1.510
Resistance to Ultra-violet	Poor
Water absorption - over 24 hours ( % )	< 0.015
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10⁻⁶ K⁻1 )	100.000 - 200.000
Heat-deflection temperature - 0.45MPa ( C )	50
Heat-deflection temperature - 1.8MPa ( C )	35.0
Lower working temperature ( C )	-60
Specific heat ( J K⁻1 kg⁻1 )	1900.0 - 2300.0
Thermal conductivity ( W m⁻1 K⁻1 )	0.33 @23℃
Upper working temperature ( C )	50 - 90
Mechanical Properties(机械性能)
Elongation at break ( % )	400.0
Hardness - Rockwell	D41-46-Shore
Izod impact strength ( J m⁻1 )	> 1000.0
Tensile modulus ( GPa )	0.10 - 0.30
Tensile strength ( MPa )	5.00 - 25.00
Electrical Properties(电气特性)
Dielectric constant @1MHz	2 - 2
Dielectric strength ( kV mm⁻1 )	27.0
Dissipation factor @ 1MHz	1.0000 - 10.0000 x 10⁻⁴
Surface resistivity ( Ohm/sq )	1013
Volume resistivity ( Ohmcm )	101⁵-101⁸

其他参数

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