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| 3. PE HETEROGENEOUS ION-EXCHANGE MEMBRANE |
| PE heterogeneous ion exchange membrane is made from styrene sulfonic acid type cation-exchange resin and styrene quaternary ammonium type anion-exchange resin, with PE as adhesive agent. They are plasticated on two rool mills set on nylon web and laminated into PE cation-exchange membrane..... |
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| 4. CREATION OF HI-TECH ——SUPERFINE ENGINEERING MATERIAL |
| Superfine heavy calcium carbonate whose technical parameters has reached the level of domestic same product or from abroad, can be widely used in paper making, plastic, rubber, pottery, coatings, oil. On the same time, we can also supply superfine kaolin powder, superfine mica powder, superfine quartz powder and other superfine materials. |
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