Heat-Resistant Water-Based Printing Ink
Heat-Resistant Water-Based Printing Ink is an advanced, environmentally friendly ink specifically engineered to withstand high-temperature processing conditions without compromising color, adhesion, or print quality.
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Product Introduction
Compared to traditional water-based inks, hot-water resistant inks retain the following properties even after high-temperature treatment:
Color does not yellow: Whiteness retention ≥95%
Adhesion does not decrease: 0-level adhesion in cross-cut adhesion test
Surface does not become sticky again: No stickiness or adhesion after high-temperature treatment
Excellent Printability
Superior Fineness: Pigment grinding fineness ≤15-20μm, ensuring clear dots and rich tonal range.
Stable Viscosity: pH buffer system design minimizes viscosity fluctuations during long-term printing.
Adjustable Drying Speed: Adaptable to different printing speeds (50-300 m/min).
Wide Substrate Compatibility: Suitable for various substrates including paper, cardboard, PET, aluminum foil, and self-adhesive materials.
| Parameter | Value |
|---|---|
| Ink Type | Water-Based |
| Heat Resistance | 150°C – 180°C (standard) |
| VOC Content | < 1% |
| pH Value | 7.5 – 9.0 |
| Solid Content | 30% – 40% |
| Drying Method | Hot air / IR drying |
| Adhesion | Excellent (paper, film, foil) |
Compatible Substrates
This ink exhibits excellent adhesion to various face papers used in corrugated cardboard, including:
Unbleached kraft paper (natural kraft paper)
Bleached kraft paper (white kraft paper)
Coated paper (whiteboard paper, coated paper)
Mottled/patterned paperboard
Customization Options
Manufacturers can provide tailored solutions for OEM/ODM projects:
Cable size compatibility (custom mm² range)
Waterproof and dustproof ratings
Color coding and keying system
Logo branding and laser marking
Special locking mechanisms (bayonet, threaded, push-pull)
Shielded versions for EMC protection
FAQ:
1. What temperature can heat-resistant water-based ink withstand?
Standard formulations typically withstand 150°C to 180°C, while high-performance grades can endure 200°C–260°C or higher depending on the resin system and curing conditions. The exact resistance depends on substrate type, ink thickness, and exposure duration.
2. Is water-based heat-resistant ink suitable for food packaging?
Yes. Most formulations are designed to meet food safety standards such as FDA or EU regulations. They feature low odor, low migration, and non-toxic composition, making them ideal for indirect food contact applications like outer packaging and laminated films.
3. What printing methods are compatible with this ink?
Heat-resistant water-based inks are compatible with:
Flexographic printing (flexo)
Gravure printing
Screen printing
Flexo printing is the most commonly used method due to its high efficiency and suitability for packaging materials.
4. Does the ink require special drying or curing conditions?
Yes. Although water-based inks dry through water evaporation, achieving heat resistance requires proper curing:
Hot air drying systems
Infrared (IR) drying
Sufficient dwell time at elevated temperature
Proper drying ensures the formation of a stable, heat-resistant film.
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