科思创一级代理商源禾缘禾水性固化剂2794

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拜耳水性固化剂Imprafix 2794 XP源禾拜耳科思创缘禾水性聚氨酯供应提供厂家价格

   Type                 Reactive, blocked aliphatic polyisocyanate

• Form supplied        approx. 45 %
  Uses                 Imprafix 2794 XP is crosslinker with improved reactivity

                       and thermostability (yellowing). It is available in a 
  

                       cosolvent-free supply form, using for textile coating.

                       In combination with Bayhydrol polyols Imprafix 2794 XP

                       can be used for the formulation of water-reducible,     
  

                       lightfast one-component polyurethane baking coatings and 
  

                       as an additive in waterborne baking systems to improve 
  

                       flexibility, impact strength and adhesion.

  
  

  Characteristic data*
  Property             Value         Unit of measurement        Method
  Viscosity            < 1,500            mPa·s         DIN EN ISO 3219/A.3
  

  at 23 °C, D = 40 s-1
  Non-volatile content 44.0 - 46.0        %              DIN EN ISO 3251

  (1g / 60min / 105°C)
  pH-value             6.5 - 8.5                         DIN ISO 976

  at 20 °C
  *These values are provisional Binding supply specifications will not be available

  until the final product data sheet is published.
  Other data**
  Property            Value         Unit of measurement        Method
  NCO content         5.6                 %
  blocked, (calc. on supply form)
  **These values provide general information