99日本精品永久免费久久一,无码一区二区AV在线播放,99在线精品国产一区免费_观看

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      N,N,N',N'-tetramethyl-2,2'-oxybis(ethylamine)

      CAS No.

      3033-62-3

      Molecular formula

      C8H20N2O

      Molecular structure

       

      Use

      As a highly efficient tertiary amino catalyst, it is suitable for production of almost all polyurethane products. Mainly used in the production of flexible foam products, especially high elasticity and RIM products. The features are high catalytic activity, stable foaming, large tin tolerance and easy adjustment of formulation. The product produced with it has better elasticity, elongation and other properties than other products.

       

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      99日本精品永久免费久久一,无码一区二区AV在线播放,99在线精品国产一区免费_观看