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Based on this ,we design experimentation to investigate the different stabilizers and the influence they exert on the thermal stability, rheological properties, weather - resistance .
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Ó²PVC¹Ü   Hard PVC Pipe
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PVCÊ÷Ö¬  PVC resin
ÈÈÎȶ¨¼Á  Heat Stabilizer
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The main method of study in this part is referring to the literature research,through which we acquaint ourself with the formular for Hard

PVC Pipe, and the main fundamental formular at Home and Abroad.
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