| 11. | Also used as a stabilizer in the manufacture of polyurethane foam.
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| 12. | Typical materials used are cellulose foam, polyurethane foam, and less frequently, silicone foam.
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| 13. | Polyurethane foam was then used to create the different aircraft shapes and details.
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| 14. | Close-cell polyurethane foam has been found to serve the purpose well.
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| 15. | In the 1950s, board makers discovered polyurethane foam and fiberglass technologies.
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| 16. | In 1960 more than 45, 000 metric tons of flexible polyurethane foams were produced.
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| 17. | Artificial pads are made from polyurethane foam and are less expensive than natural pads.
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| 18. | Polyurethane foams are now used in high-temperature oil filter applications.
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| 19. | Polyurethane foam deteriorates over time which leaves a by-product that are sticky and acidic.
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| 20. | Mr Poon said the bureau was looking into overseas legislation on polyurethane foam products.
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