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1644_001 (2).pdf
(34 KB, 下载次数: 145)
52889_052008(1).pdf
(417 KB, 下载次数: 146)
本人接了一个单子，用BMC注塑成型的，要开模具，成型于一体的厂家联系我，图纸在附件中，看清楚啦不能做的不要打扰！！要求BMC材料强度达到以下要求：（英文的）
Physical Properties Metric English Comments
Specific Gravity 1.75 - 2.05 g/cc 0.0632 - 0.0741 lb/in?
Filler Content 10 - 25 % 10 - 25 %
Water Absorption 0.1 - 0.3 % 0.1 - 0.3 % 24 hours, 23?C
Linear Mold Shrinkage 0 - 0.001 cm/cm 0 - 0.001 in/in
Mechanical Properties
Hardness, Barcol 40 - 60 40 - 60
Tensile Strength, Ultimate 34.5 - 62.1 MPa 5000 - 9000 psi
Flexural Modulus 10.3 - 15.2 GPa 1500 - 2200 ksi
Flexural Strength 68.9 - 152 MPa 10000 - 22000 psi
Compressive Strength 110 - 152 MPa 16000 - 22000 psi
Izod Impact, Notched 1.07 - 4.81 J/cm 2 - 9 ft-lb/in
Thermal Properties
Deflection Temperature at 1.8 MPa (264 psi) 218 - 260 ?C 425 - 500 ?F
Flammability, UL94 HB HB
Processing Properties
Mold Temperature 149 - 177 °C 300 - 350 ?F |
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发表于 2008-9-24 17:29:25
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