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Time:2015.12.30
Plastic Easy identification Identification of plastics generally require a variety of instruments, such as infrared photometer, chromatography, and the like. At that time…
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Time:2015.12.30
Synthetic resin grades table Code English ABS acrylonituile-butadiene-sty uene copoly…
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Time:2015.12.30
Silk screen printing ink color 5) viewing conditions: color should be observed in standard light observed inside the photometer measured by spectral color spectral curves…
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