The experimental results suggest that methylene chloride ist a good substitute which can instead of trichloro-fluoromethane in the production of different kind of density flexible polyurethane foam.

• 小试结果表明，用二氯甲烷生产各种密度的软质聚氨酯泡沫塑料，确实是较全面的一氟三氯甲烷的代用品。