• Analysis of production failure of plastic hollow board products_(2)
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Analysis of production failure of plastic hollow board products_(2)

  • 05/07/2018 09:26:17

Seven, fault: there are bubbles on the surface of the product Failure analysis: 1 The temperature of the melt is too high, and the raw material is partially decomposed. 2 The plastic resin used in the product has a high water content or a volatil

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