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Packaging Board Polyvinyl Alcohol Powder , PVA 2688 Cold Water Soluble2019-04-29 14:17:03 |
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Good Andinsulatibility Polyvinyl Alcohol PVA 2688 With 4.5-6.5 PH Value2019-04-29 14:17:03 |
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Heavy Polymer Pva Alcohol 2688 , Polyvinyl Alcohol Safety Non - Toxic2019-04-29 14:17:03 |
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PH 4.5-6.5 Polyvinyl Alcohol PVA 2688 , Pva 1788 2488 0588 For Fish Net2019-04-29 14:17:03 |
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Water Soluble Pva Safety , 1788 Pva Powder With Good Chemical Stability2019-04-29 14:17:03 |