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polypropylene |
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polypropylene (pŏl'ēprō`pəlēn), plastic plastic, any organic material with the ability to flow into a desired shape when heat and pressure are applied to it and to retain the shape when they are withdrawn. ..... Click the link for more information. noted for its light weight, being less dense than water; it is a polymer polymer (pŏl`əmər) ..... Click the link for more information. of propylene. It resists moisture, oils, and solvents. Since its melting point is 121°C; (250°F;), it is used in the manufacture of objects that are sterilized in the course of their use. Polypropylene is also used to make textiles, ropes that float, packaging material, and luggage. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| An extruded polypropylene honeycomb core material is available in new forms aimed at infusion molding. This is "mainly because of the strength of packaging markets, particularly for injection-molded and extruded polypropylene and ongoing growth in the PET bottle and sheet sector," AMI writes in the release. STYROFOAM, one of the world's most recognized brands, now includes extruded polystyrene insulation, polyisocyanurate insulation, extruded polypropylene insulation and housewrap. |
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