聚酰胺尼�?,颗粒, PA 6, Natural - �뵺�羺�ٷ��ַ

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聚酰胺尼�?,颗粒, PA 6, Natural

品牌: Goodfellow
产地: 英国
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产品介绍

产品参数

Colour[颜色]	Natural
Description[描述]	Extrusion Grade
Nominal Granule Size[标称颗粒大小]	3
Viscosity[粘度]	High Viscosity
Weight[重量]	500g - 25000g
Mechanical Properties(机械性能)
Abrasive resistance - ASTM D1044 ( mg/1000 cycles )	5
Coefficient of friction	0.20 - 0.30
Hardness - Rockwell	M82
Izod impact strength ( J m?? )	30.0 - - 250.0
Poisson's ratio	0.390
Tensile modulus ( GPa )	2.60 - 3.00
Tensile strength ( MPa )	78.00
Physical Properties(物理性质)
Density ( g cm?? )	1.130
Flammability	HB
Limiting oxygen index ( % )	25
Radiation resistance	Fair
Refractive index	1.530
Resistance to Ultra-violet	Poor
Water absorption - equilibrium ( % )	> 8.00
Water absorption - over 24 hours ( % )	2.700
Chemical Resistance(耐化学�?
Acids - concentrated	Poor
Acids - dilute	Poor
Alcohols	Good
Alkalis	Good-Fair
Aromatic hydrocarbons	Good
Greases and Oils	Good
Halogenated Hydrocarbons	Good-Poor
Halogens	Poor
Ketones	Good
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10?? K?? )	95.000
Heat-deflection temperature - 0.45MPa ( C )	200
Heat-deflection temperature - 1.8MPa ( C )	80.0
Lower working temperature ( C )	-40
Specific heat ( J K?? kg?? )	1700.0
Thermal conductivity ( W m?? K?? )	0.24 - 0.28 @23ℂ�/td>
Upper working temperature ( C )	80 - 160
Electrical Properties(电气特�?
Dielectric constant @1MHz	4
Dielectric strength ( kV mm?? )	25.0
Dissipation factor @ 1kHz	0.2000
Surface resistivity ( Ohm/sq )	5x10??
Volume resistivity ( Ohmcm )	5x10??