The melt flow index (MFI) or melt flow rate (MFR) is a measurement used to assess the flowability or melt viscosity of a polymer. It provides an indication of how easily a polymer can be processed through different processes.

Glycolysis of post-consumer polyethylene terephthalate (PET) waste is a promising chemical recycling technique, back to the monomer, bis (2-hydroxyethyl) terephthalate (BHET). This work presents...

The OM analysis revealed the coexistence of at least three phases - one rich in PET (matrix), the other rich in PC (dispersed droplet) and an interfacial region between them, made of PET/PC ...

MFI is expressed in grams of polymer per 10 minutes of duration of the test. Synonyms of Melt Flow Index are Melt Flow Rate and Melt Index. More commonly used are their abbreviations: MFI, MFR and MI. Confusingly, MFR may also indicate "melt flow ratio", the ratio between two melt flow rates at different gravimetric weights.

Injection moulding applications require high MFI values, whereas extrusion processes demand much lower values. Fig. 3 therefore shows wide spreads for the MFI parameter of the virgin materials....

The molecular weight of polyethylene terephthalate (PET) is usually described in terms of intrinsic viscosity. This is the IV value in dl/g. The longer the polymer chains, the higher this characteristic value. This makes it possible to demonstrate molecular chains and how they can occur when moisture that is too high during the melting process.

Understand the importance of the Melt Flow Index (MFI) in polymer processing. Learn how MFI helps determine polymer flowability, influencing material selection for processes like injection molding and extrusion. Discover how MFI impacts product quality, production efficiency, and polymer properties such as molecular weight and viscosity.

ISO 1133-1 标准确立了测定热塑性塑料的熔体质量流动速率 (MFR)和熔体体积流动速率 (MVR)的通用试验方法。 ISO 1133第2部分 (ISO 1133-2)描述了适用于对时间或温度相关历史和/或湿度敏感的材料的试验方法。 ISO 1133-1试验方法 ISO 1133-2 视频 试验和试验设备要求 熔融指数仪 咨询请求. 在这个方法中，挤出物在 连续的间隔时间 被切割，再用一个 分析天平称量一下它们的总重量。 测试结果为 单位时间的挤出物的质量，规定为 g/10 min。 操作人员必须监督整个试验程 …

塑膠流動性指數 (melt flow index)，簡稱MI或是MFI，是衡量塑膠升溫到加工溫度時，其流動性的重要依據參數。 本文根據ASTM D1238的規範，概述其測試方式與目的。

熔融指数（Melt Flow Index，MI or MFI），Melt Flow Rate（MFR）， 全称熔液流动指数， 或熔体流动指数，是指一种表示塑胶材料加工时的流动性能的数值。