The features of rigid PU foam and its applications in construction were introduced.
简要介绍了硬质聚氨酯泡沫塑料的特点及其在建筑业的应用情况。
The preparation of rigid PU foam for refrigerator is studied. The production quality control flow scheme of rigid PU foam for refrigerator is designed.
介绍了冰箱用硬质聚氨酸泡沫塑料(简称硬泡)的制备工艺，设计了冰箱用硬泡生产过程中的质量控制流程。
The incombustibility of the military rigid polyurethane (PU) foam materials was studied. The optimum formula of compound flame retardant was determined by screening and orthogonal test.
为提高军用聚氨酯硬质泡沫迷彩伪装材料的阻燃性能，对各种阻燃剂进行了筛选并进行正交复配试验，确定了复配阻燃剂的最佳配方。
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