Guangdong KDD Functional Materials Co., Ltd.
KDD PU2018 Plastic Composite Ink Application Solution
Release time:2026-05-28
I. Application Scenarios
Applicable Products: Plastic films, flexible packaging composite materials, label printing, flexible packaging products
Applicable Working Conditions: Plastic printing fields requiring high-strength lamination, including food packaging, daily chemical packaging, and industrial packaging
Core Demands & Pain Points:
- Plastic substrates have low surface energy, resulting in poor adhesion of traditional inks
- Insufficient lamination strength, prone to delamination
- Unqualified water resistance and chemical resistance, compromising packaging performance
- Rising environmental protection requirements call for water-based eco-friendly solutions
- Unstable performance under harsh working conditions such as high-temperature cooking
II. Core Technical Solution
1. Applicable Substrates: Various plastic films including PET, BOPP, PE, CPP, NY and more
2. Coating Resin System: PU2018 water-based polyurethane resin with excellent film-forming performance and bonding force
3. Curing & Baking Condition:60-80℃
4. Key Properties:
- Flexibility: Excellent flexibility, resistant to cracking after repeated bending
- Adhesion: Super adhesion to various plastic substrates, reaching 5B level in cross-cut test
- Abrasion Resistance: Outstanding abrasion resistance, Taber abrasion weight loss ≤0.02g
- Water Resistance: Superior boiling resistance, no abnormality after 2 hours of boiling at 100℃
III. Solution Comparison
Comparison Dimension | Traditional Solvent-based Polyurethane | Traditional Water-based Acrylic | PU2018 Solution |
Curing Temperature | 80-100℃ | 60-80℃ | 60-80℃ |
Flexibility Performance | Average | Poor | Excellent |
Water Resistance | Good | Average | Excellent |
Substrate Adaptability | Wide | Limited | Extensive |
Environmental Performance | VOC-containing | Low VOC | Zero VOC |
Lamination Strength | Medium | Average | High |
Core Advantages:
- Zero VOC emissions, compliant with the latest environmental protection standards
- Low-temperature fast curing, energy-saving and consumption-reducing
- Well-balanced excellent flexibility and adhesion
- Wide adaptability to various substrates
- Outstanding boiling resistance and chemical resistance
IV. Conclusions & Selection Recommendations
Conclusion: PU2018 water-based polyurethane resin is an ideal choice for plastic composite ink applications, effectively solving the adhesion, resistance and environmental pain points of traditional solutions.
Selection Recommendations:
- Food Packaging: Recommended, FDA certified with high safety
- High-end Labels: Recommended, superior printing effect and strong adhesion
- Industrial Packaging: Recommended, excellent chemical resistance
- Daily Chemical Packaging: Highly recommended with the best comprehensive performance
V. Enterprise Professional Endorsement
KDD focus on the R&D and application of water-based polyurethane resins with 15 years of industry experience. Certified by ISO9001 quality management system, our products comply with international environmental standards including RoHS and REACH. With mature processes and over 200 successful application cases, we provide customized formulation, sample testing and mass supporting services to meet industrial and export standards.
VI. FAQ
1. Q: Is PU2018 applicable for food packaging?
A: Yes. PU2018 has passed FDA food contact material certification and can be safely used in food packaging applications.
2. Q: What is the adhesion performance on BOPP films?
A: PU2018 delivers excellent adhesion to BOPP films. It achieves a 5B level standard in cross-cut tests after professional surface treatment.
3. Q: Is customized service available?
A: We provide comprehensive customized services, including viscosity adjustment, solid content customization and special performance optimization to meet personalized customer demands.
Closing
Feel free to consult us for technical parameters, sample tests and formula solutions. KDD Guangdong Keding Functional Materials Co., Ltd. looks forward to cooperating with you to promote the technological progress and green development of the plastic composite ink industry!
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