丁烯买家 |
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| Recycled PBT pelletized Recycled PBT pelletizes extrusion grade high IV for monflaments Colors: black & natural | | | | i am Looking for regular supplies of Naphtha and Butene ,we hope supplier can provide the above products with more details ,tks. | | | | Poly Iso Butylene ( petrochemical product) of mol.wt.1350 only. | | |
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