恒方大 - NP-3051 ET871B / 聚氯乙烯（PVC）专用料 / PVC Compound型号NP-3051 ET871B，属于恒方大生产的PVC改性料，具体规格参数（如硬度、拉伸强度、阻燃等级等）需参考厂家数据手册，通常为注塑或挤出级，适用于电线电缆绝缘或护套。

恒方大 - NP-3051 ET871B / PVC Compound

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Brand Name: 恒方大
Unit of Measure Name: kg