订货叶�/strong>	包装规格
Sizes
276-551-40	25mm x 25mm

产品参数

Purity[纯度]	97.5%
Thickness[厚度]	1mm
Mechanical Properties(机械性能)
Hardness - Knoop ( kgf mm?? )	2100
Hardness - Vickers ( kgf mm?? )	1500 - 1650
Shear strength ( MPa )	330
Tensile modulus ( GPa )	300.00 - 400.00
Tensile strength ( MPa )	260.00 - 300.00
Physical Properties(物理性质)
Apparent porosity ( % )	0.00
Density ( g cm?? )	3.900
Chemical Resistance(耐化学�?
Acids - concentrated	Good
Acids - dilute	Good
Alkalis	Good
Halogens	Good
Metals	Good
Pultrusion(挤拉成型)
Compressive strength ( MPa )	2200 -2600
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10?? K?? )	8.000 @20-1000ℂ�/td>
Melting point ( C )	2100.00
Specific heat ( J K?? kg?? )	850.0 - 900.0 @25ℂ�/td>
Thermal conductivity ( W m?? K?? )	26.00 - 35.00 @20ℂ�/td>
Upper continuous use temperature ( C )	1700
Electrical Properties(电气特�?
Dielectric constant	9.0 - 10.1
Dielectric strength ( kV mm?? )	10.0 - 35.0
Volume resistivity ( Ohmcm )	>10??@25ℂ�/td>

其他参数

公差

长度	<100mm	��1mm
	�?00mm	+2% / -1%
直径	<100mm	��1mm
	�?00mm	+2% / -1%
厚度		��10%
	陶瓷	��20%
	复合材料	��20%
	聚合�?/td>	��20%
长度 1	<100mm	��1mm
	�?00mm	+2% / -1%
长度 2	<100mm	��1mm
	�?00mm	+2% / -1%