材料 >> 聚合物材料
聚乙烯,低密度,粉末, LDPE, Natural, 300μm最大粒度
产品介绍 | 订货号 | 包装规格 | | Weight | | 740-544-93 | 50g | | 270-226-54 | 100g | | 235-297-08 | 200g | | 288-225-85 | 500g |
产品参数 | Colour[颜色] | Natural | | Maximum Particle Size[最大粒度] | 300μm | | Weight[重量] | 50g - 500g | | 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 |
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