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What are the methods to identify the raw materials for PPR pipe extrusion line? Mar 30, 2018

At present, through the exploration of multi-channel and market, as well as the demonstration of some professionals, there have been some analysis and test methods that can be used to identify the authenticity of raw materials. For example, the PP modified material can be identified through the melt mass flow rate (MFR). The MFR of the PP (including PP-H, PP-B and PP-R) is not greater than 0.5g/10min, so MFR is greater than 0.5g/10min. Secondly, it can be further identified by means of infrared spectroscopy, melting point and nuclear magnetic resonance.


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