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Additive plays an aesthetic role in improving a product’s appearance also provide mechanical or chemical resistance. By definition, additives are added in small quantities, often less than one point percent, to re-inforce selected chemical or physical properties of the finished powder coatings. K7658 is a wetting accelerator with good compatibility with powder systems. It is designed for use in powder coating systems to reduce pinholes in the coating film and improve leveling and freshness of the coating.
1. Description:
Additive plays an aesthetic role in improving a product’s appearance also provide mechanical or chemical resistance. By definition, additives are added in small quantities, often less than one point percent, to re-inforce selected chemical or physical properties of the finished powder coatings.
K7658 is a wetting accelerator with good compatibility with powder systems. It is designed for use in powder coating systems to reduce pinholes in the coating film and improve leveling and freshness of the coating.
2. Typical properties:
Appearance White to pale yellow Powder [by visual]
Particle size (pm, Dv50) ≤15 [particle size analyzer]
Solid content (％) ≥99 [GB1725]
Herein described to be typical properties and do not constitute specification limits.
3. Technical characteristics：
It can reduce the pinholes of the coating film and improve leveling of the coating.
Good pigment and filler wetting and dispersing properties and allow to increase the amount of pigment and filler.
Good wetting performance, improve the coating fog, improve the clarity and freshness of the coating.
Applicable to all kinds of powder coating systems, such as: primid system to improve freshness of the coating, matte coating to improve fog, transfer coating to improve the clarity of the pattern and improve tearing paper.
4. Type specification:
Functional additive | |||
Model | Application | Processing&Use level | Characteristics |
SA516 | Pigment dispersant | Premix&extrusion 0.5-1% by weight of total formula | Excellent pigment dispersing ability, improve color strength Use for organic pigment with bright color |
K7658 | Flow wetting modifier | Premix&extrusion 0.5-2% by weight of total formula | Reduces or mitigates craters, pinholes Improving substrate wetting and help reduce haze |
K7007 | Anti yellowing agent | Premix&extrusion 0.2-1% by weight of total formula | Use for high temperature or overbaking yellowing Also helpful for weather resistance |
K7921 | Adhesion additive | Premix&extrusion 0.5-1.5% by weight of total formula | Improve adhesion of powder coating especially for water boiling adhesion |
K7922 | Adhesion additive | Premix&extrusion 1-3% by weight of total formula | Improve adhesion of powder coating suitable for stainless steel and galvanized substrates |
K7301A | Binding agent | During the binding process, the dosage is 0.8-1.5% of the total weight of the formula. | Prevent binding agglomeration, increase binding temperature, improve metal powder coating effect and reduce metal powder consumption. |
5. Application:
6. Use method & levels
Premix K7658 with other components of the formula before extrusion.
0.5-2% of the whole formula.
7. Package & Storage
Packaging with PE lined Kraft paper bags.Net weight 20kg 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.
Contact: Bruce Wong
Phone: +86 13951823978
Tel: +86 025 58895705
Email: info@kabasph.com
Add: Chemical industry park, Echeng District, Ezhou, Hubei, China
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