Lu'An Jietonda New Material Co.,Ltd.

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K7152

Jietonda® K7152

 Polyisocyanate curing agent for powder coatings

Jietonda® K7152 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 granule

[visual]

NCO content (%)                        

12-14                      

[Di-n-butylamine method]

Free NCO(%) 

≤1.0

[Di-n-butylamine method]

Tg(℃)

55-65

DSC

 

        Herein described to be typical properties and do not constitute specification limits.

 

2.Characteristics

l Extremely high crosslink density , excellent surface hardness and chemical resistance for coating .

l Excellent leveling and smoothness.

l Excellent weather resistance and anti yellowing performance.

 

3.Use method & levels

Equivalent weight of this product is approx 310. It is recommended to cure with hydroxyl polymer in equivalent amount (15:85 for polyester with hydroxyl value of 30; 22:78 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 temperature under 32℃ and cool dry place to avoid caking. Keep package closed after using. Keep away from heat and fire.
  • Based on our experience the shelf life of this product under above conditions is at least 2 years.

 

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+86-564-3711165
+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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