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What is Urethane Foam in Upholstery? | eHow
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日期：2026-04-22
Urethane foam, which is also known as polyurethane foam, is a porous, man-made solid. It is created by mixing a complex petrochemical base with a reactant. Most urethane foam is white or yellow in color, although other colors are available. The most well-...看更多
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