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PVC drain pipe
1. PVC 100, heavy calcium 200, synthetic heavy calcium 50, compound lead salt stabilizer 5.6, octadecanoic acid 1.8, ceresin wax 0.3, CPE 10, titanium dioxide 3.6.
2. PVC 100, 300 mesh heavy calcium 50, 80 mesh heavy calcium 150, octadecanoic acid 0.8, ceresin wax 0. 55, compo...
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