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        2. PRODUCTS

          K7150

           
                                                                       Jietonda® K7150
          Blocked polyisocyanate curing agent for PU powder coatings
           
          Jietonda® K7150 is a closed polyisocyanate curing agent for powder coatings, designed to cure with hydroxy polyester or hydroxy acrylic resin to provide a smooth, weather-resistant and highly cross-linked powder coating.
           
          1. Typical properties
          Appearance White to pale yellow granula [visual]
          NCO content (%)                      14-16 [Di-n-butylamine method]
          Free NCO (%)                              ≤1.0 [Di-n-butylamine method]
          Tg (℃) 45-55 [DSC method]
                  Herein described to be typical properties and do not constitute specification limits.
           
          2. Characteristics
          ? Extremely high crosslink density , excellent surface hardness and chemical resistance for coating .
          ? Excellent leveling and smoothness. 
          ? Excellent weather resistance.
          ?
          3. Use method & levels
          ? Equivalent weight of this product is approx 275. It is recommended to cure with hydroxyl polymer in equivalent amount (13:87 for polyester with hydroxyl value of 30; 20:80 for polyester with hydroxyl value of 50). Tin-based catalysts can significantly improve coating mechanical properties and solvent resistance..
          ? Unsealing temperature of this product is above 170℃, so it is recommended to fully cure at 180℃*20min or 200℃*15min. 
           
          4. Package & Storage
          ? Packaging with PE lined Kraft paper bags. Net weight 25kg per bag.
          ? Store in a cool and dry place to avoid moisture absorption. It should be closed immediately after use and away from fire..
          ? Based on our experience, this product is valid for at least two years at a storage temperature of <32°C.
           
           

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          +86-13966241417
           

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          Add: 15 Li Dun, North Outskirts of Luan City, Anhui, P, R, China  P.C.:237158
          Tel: +86-564-3711165 , +86-564-3711777
          Fax: +86-564-3711167 E-mail: jietonda@jietondachem.com

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