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Plastic - Wikipedia, the free encyclopedia |
 | | It was originally used for electrical and mechanical parts, finally coming into widespread use in consumer goods in the 1920s. |
| | When the Bakelite patent expired in 1927, the Catalin Corporation acquired the patent and began manufacturing Catalin plastic using a different process that allowed a wider range of coloring. |
| | It was a purely synthetic material, not based on any material or even molecule found in nature. |
| en.wikipedia.org /wiki/Plastic (5600 words) |
