Jietonda® K7215
Matting agent for Polyester/TGIC powder coatings
Jietonda® K7215 is a new synthetic resin based matting agent designed for applying in exterior PES/TGIC powder coatings with excellent flow and anti-yellowing property.It is designed for 5-30% gloss for exterior powder coating.
1. Typical properties
Appearance
Pale yellow powder
[visual]
Volatile (%)
≥98.0
[GB 1725]
Herein described to be typical properties and do not constitute specification limits.
2. Characteristics
Provide lowest 5% (60°) gloss (suggested to choose slow curing polyester, should not be used alone with fast curing polyester).
Excellent leveling with good mechanical property .
Good stability for baking, recommended to use in anti-yellowing condition.
Outstanding gloss stability and reproducibility, satisfy wide ranges of extrusion processing to get below 10% gloss.
3. Use method & levels
Premix K7215 with other components of the formula before extrusion.
The use level is 2-6% by weight of total formula, depends on the gloss required. Additional TGIC can enhance mechanical property and stability, ratio for TGIC/K7215 is 1:10 .
4. Package & Storage
Packaging with PE lined Kraft paper bags. Net weight 25kg per bag.
Store in temperature between 2-32℃ or 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 2 years.
5. Advisement
When formulating K7215, the gloss of coating will be determined by its concentration and the selected polyester resins. It is important to select matched resins.
