Very limited stock available.
Natural surface-finish may have blemishes or scratches.
订货号 | 包装规格 |
Length (Round) |
331-751-55 | 100mm |
261-588-55 | 200mm |
产品参数
Colour[颜色] | Grey |
Diameter[直径] | 30mm |
Length[长度] | 100mm - 200mm |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 80.000 |
Heat-deflection temperature - 0.45MPa ( C ) | 98 |
Heat-deflection temperature - 1.8MPa ( C ) | 89.0 |
Thermal conductivity ( W m⁻¹ K⁻¹ ) | 0.17 @23℃ |
Upper working temperature ( C ) | 70 - 100 |
Chemical Resistance(耐化学性) |
Acids - concentrated | Good-Poor |
Acids - dilute | Good |
Alcohols | Good-Poor |
Alkalis | Good |
Aromatic hydrocarbons | Poor |
Greases and Oils | Good |
Halogenated Hydrocarbons | Poor |
Halogens | Poor |
Ketones | Poor |
Mechanical Properties(机械性能) |
Coefficient of friction | 0.50 |
Elongation at break ( % ) | 45.0 |
Hardness - Rockwell | R100-110 |
Izod impact strength ( J m⁻¹ ) | 200.0 - 400.0 |
Poisson's ratio | 0.350 |
Tensile modulus ( GPa ) | 2.10 - 2.40 |
Tensile strength ( MPa ) | 41.00 - 45.00 |
Electrical Properties(电气特性) |
Dielectric constant @1MHz | 3 - 3 |
Dielectric strength ( kV mm⁻¹ ) | 20.0 - 25.0 |
Dissipation factor @ 1MHz | 0.0200 |
Volume resistivity ( Ohmcm ) | >10¹⁵ |
Physical Properties(物理性质) |
Density ( g cm⁻³ ) | 1.050 |
Flammability | HB@1.5mm |
Limiting oxygen index ( % ) | 19 |
Radiation resistance | Fair |
Resistance to Ultra-violet | Poor |
Water absorption - over 24 hours ( % ) | 0.300 - 0.700 |
其他参数
公差
直径 | ≤10mm | ±10% |
---|
聚合物 | +20% / -10% |
陶瓷 | +20% / -10% |
|
>10mm | ±5% |
陶瓷 | +20% / -10% |
聚合物 | +20% / -10% |
|
长度 | <100mm | ±1mm |
---|
≥100mm | +5% / -1% |