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中文摘要：
以质量法和面积法为基准，对聚氯乙烯（PVC）瓶盖垫蒸发残渣量测定方法进行了研究和分析，探讨了样品形状和用量对PVC瓶盖垫蒸发残渣量的影响。结果表明：采用面积法测试蒸发残渣的量大于质量法测试的，且测试样品制成垫圈形式时，测试的蒸发残渣量比制成垫片形式的样品蒸发残渣量大；样品用量对基于质量法的蒸发残渣测试结果影响很大，但对基于面积法的测试结果影响不明显。
英文摘要：
The measurement method of evaporation residue of PVC gaskets was analyzed and studied based on area measurement method and mass measurement method, and the effect of sample shape and mass on the quantity of evaporation residue was discussed. The results showed that the quantity of evaporation residue based on area measurement method is greater than that of mass measurement method, and the quantity of evaporation residue of round-shape gaskets is greater than that of sheet-shape gaskets; sample mass shows great effect on the quantity of evaporation residue based on mass measurement method, but has little effect on that of evapora- tion residue based on area measurement method.
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