聚甲基戊烯,膜, TPX, Natural, 0.5mm厚

品牌:	Goodfellow
产地:	英国

产品介绍

产品参数

Coil Width[卷材宽度]	420mm
Colour[颜色]	Natural
Diameter[直径]	4mm - 100mm
Grade[等级]	DX845
Surface Finish[表面光洁度]	Matt/Gloss
Thickness[厚度]	0.5mm
Physical Properties(物理性质)
Density ( g cm⁻³ )	0.835
Flammability	HB
Limiting oxygen index ( % )	17
Refractive index	1.463
Resistance to Ultra-violet	Poor
Water absorption - over 24 hours ( % )	0.010
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ )	117.000
Heat-deflection temperature - 0.45MPa ( C )	100
Heat-deflection temperature - 1.8MPa ( C )	40.0
Lower working temperature ( C )	-20 - -40
Specific heat ( J K⁻¹ kg⁻¹ )	2000.0
Thermal conductivity ( W m⁻¹ K⁻¹ )	0.17 @23℃
Upper working temperature ( C )	75 - 115
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
Electrical Properties(电气特性)
Dielectric constant @1MHz	2
Dissipation factor @ 1kHz	0.0002
Volume resistivity ( Ohmcm )	>10¹⁶
Mechanical Properties(机械性能)
Elongation at break ( % )	15.0
Hardness - Rockwell	R85
Izod impact strength ( J m⁻¹ )	49.0
Tensile modulus ( GPa )	1.50
Tensile strength ( MPa )	25.50