聚甲醛共聚物,棒, Acetal, Copolymer POMC, Yellow, 25mm直径
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介绍
订货号 | 包装规格 | Length (Round) | 668-305-97 | 200 mm | 129-710-66 | 500 mm | 968-956-47 | 1000 mm |
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参数 Colour[颜色] | Yellow | Diameter[直径] | 25mm | Length[长度] | 200 mm - 1000 mm | Electrical Properties(电气特性) | Dielectric constant @1MHz | 4 - 4 | Dielectric strength ( kV mm⁻¹ ) | 20.0 @2.3mm | Dissipation factor @ 1MHz | 0.0060 - 0.1800 | Surface resistivity ( Ohm/sq ) | 10¹⁵ | Volume resistivity ( Ohmcm ) | 10¹⁵ | Chemical Resistance(耐化学性) | Acids - concentrated | Poor | Acids - dilute | Good-Fair | Alcohols | Good-Fair | Alkalis | Good | Aromatic hydrocarbons | Good | Greases and Oils | Good | Halogenated Hydrocarbons | Good-Poor | Halogens | Poor | Ketones | Good-Fair | Thermal Properties(热性能) | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 80.000 - 120.000 | Heat-deflection temperature - 0.45MPa ( C ) | 160 | Heat-deflection temperature - 1.8MPa ( C ) | 110.0 | Lower working temperature ( C ) | -40 | Specific heat ( J K⁻¹ kg⁻¹ ) | 1500.0 | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 0.23 - 0.30 @23℃ | Upper working temperature ( C ) | 80 - 120 | Physical Properties(物理性质) | Density ( g cm⁻³ ) | 1.410 | Flammability | HB | Limiting oxygen index ( % ) | 15 | Radiation resistance | Poor | Resistance to Ultra-violet | Poor | Water absorption - equilibrium ( % ) | 0.60 - 0.80 | Water absorption - over 24 hours ( % ) | 0.200 - 0.250 | Mechanical Properties(机械性能) | Elongation at break ( % ) | 15.0 -40.0 | Hardness - Rockwell | M80 | Izod impact strength ( J m⁻¹ ) | 70.0 - - 80.0 | Poisson's ratio | 0.350 | Tensile modulus ( GPa ) | 2.30 - 2.80 | Tensile strength ( MPa ) | 60.00 - 70.00 |
其他参数 公差 直径 | ≤10mm | ±10% |
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聚合物 | +20% / -10% | 陶瓷 | +20% / -10% | |
>10mm | ±5% | 陶瓷 | +20% / -10% | 聚合物 | +20% / -10% | |
长度 | <100mm | ±1mm |
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≥100mm | +5% / -1% |
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