Tp3328-Powder Coating Chemical Outer Door Polyester Matt Hardener

Model NO.: Tp3328 Classification: Chemical Additives Appearance: Powder Trademark: TP Origin: China Efficacy: Powder Coating Type: MATT HARDENER Color: White Transport Package: 25kgs Per Bag Matting agent TP3328 WHICH IS EQUIVALNET TO CASAMID 2228 FROM THOMAS SWAN
       Matting Agent TP3328 is a matting hardener with TGIC as co-reactant, which can provide low-gloss of ca.10% (60°), good impact and exceptional flow properties for exterior durable PES/TGIC powder coatings. It may also be used in both epoxy and epoxy/polyester hybrid powder coating with low-gloss finish.

1. Typical properties:
   Appearance Very fine pale yellow powder [visual]
   Chemical equivalent weight (g/eq) 92 [calc.]
   Herein described to be typical properties and do not constitute specification limits.
   Matting agent for Polyester/TGIC powder coatings
 
2. Characteristics:
Can provides low gloss of ca.10% (60°), exceptional flow and good mechanical properties such as direct impact for PES/TGIC based exterior durable powder coatings.
Curing @ 200ºC(metal temperature) are required for both better flow and impact properties.
 
3. Use method & levels:
  TP3328 with Other components of the formula before extrusion.
 The use level is 1-5% by total weight of formulation, depends on the gloss required.
  Ca. 1.1-1.2 parts of TGIC per weight part of TP3328 based on their chemical equivalent weights. Varying their    total concentrations of in the formulation can control different gloss levels of coating when both ratios were  retained at above fixedness.

 Reference formulation:

polyester resin TP9035	200
TGIC	28
TP3328	12
Flowing Agent TP88	4
TIO2	50
MATT BAS04	120

  
5.. Package & Storage:
Packaging with PE lined Kraft paper bags. Net weight 25kg per bag.
Store in temperature between 2-32ºC or cool dry place. Keep away from heat and fire.
Based on our experience the shelf life of TP3328 under above conditions is at least 2 years.
 
6. Advisement :
  When formulating TP3328, the gloss of coating will be determined by its concentration and the selected      polyester resins. It is important to select matched resins.
  The powder coating formulated by TP3328 have a bit yellowing tendency and poor wet-thermal resistance.
 

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