Key Features & Functions:
1. Prevents Offset (Smudging) – Reduces the risk of wet ink transferring from one sheet to another.
2. Improves Drying – Helps ink set faster by creating a slight separation between sheets.
3. Enhances Print Quality – Minimizes smearing and maintains sharpness.
4. Reduces Static & Blocking – Prevents sheets from sticking together due to static or excess ink.
Common Types:
- Cornstarch-based – Natural, biodegradable, commonly used.
- Synthetic polymer-based – Fine, uniform particles for high-quality prints.
- Clay or silica-based – Used for specific applications.
Applications:
- Commercial offset printing (magazines, brochures, packaging).
- High-speed web & sheetfed presses.
- Heavy ink coverage jobs (large solids, coated papers).
Considerations:
- Particle Size – Finer powders work better for detailed prints.
- Dust Control – Some powders can create airborne dust; low-dust options are available.
- Environmental Impact – Some printers prefer eco-friendly, plant-based powders.
BENEFITS:
• Good fluidity and dispersion.
• Hydrophilic or lipohhilic.
• Excellent confluent with ink.
• Good water-resistance.
• Corn flour material, safe and harmless.