WB THERMAL INK
WB Thermal Ink is a water-based flexographic ink series specifically designed for use in ribbon and direct-thermal transfer overprinting applications. This versatile series is suitable for a wide range of paper substrates and flexographic printing equipment. It delivers exceptional stability, superior coverage, and reliable performance.
Key Features
- Substrate Compatibility: Performance varies with substrate type; pre-use testing is strongly recommended.
- Enhanced Durability: An optional overprint varnish is available for added resistance.
- Color Options: Offered in four-color process and base colors, with custom color matching available upon request.
Product Advantages
- Thermal Resistance: Engineered to withstand high thermal processing temperatures without blistering, flaking, or smudging.
- Operational Efficiency: Enhanced run speeds and optimized color density ensure cost-effectiveness and improved profit margins.
Technical Specifications
Equipment Compatibility
- Designed for conventional metering and doctor blade setups.
- Recommended anilox ink volumes: 4–12 cm³/m².
- Anilox line screen counts: 120–360 l/cm.
- Optimized for various flexographic presses, supporting print speeds of up to 120 m/min.
- Pre-use testing is advised to validate performance at specific operational speeds.
Quality Control
- Viscosity: 20–25 seconds (#3 Zahn cup).
- pH Range: 9.2–9.8 (press-ready).
Shelf Life
- Up to six months in sealed containers under appropriate storage conditions.
Resistance Properties
- Variable chemical resistance depending on application and substrate.
- Proven to pass sterilization tests, including Ethylene Oxide (ETO), autoclave, and gamma ray treatments. Contact the Technical Department for detailed specifications.
Color Matching
- Custom base colors and tailored matches available to meet project-specific requirements.
For further details or technical support, please reach out to ROWAT via the provided contact information.