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.
