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  • Overview of the types and functions of common additives for spandex

    2023-03-24

    Spandex production, polyether polyol spandex, MDI and PTMEG belong to the main raw materials, DMAC is recyclable solvent, strictly speaking, in addition to these three substances other materials are auxiliary materials, mainly including amines, alcohol-based chain extenders, and a variety of additiv Read More
  • Influence of polyols on spandex production

    2021-04-19

    The influence of polyol on spandex production is determined by the properties of polyol itself.The quality of polyether polyol is evaluated by the following indicators: hydroxyl value, acid value, moisture, viscosity, color, molecular weight distribution, unsaturation, etc. The following is a review Read More
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