quality Hot Melt Adhesive Film & TPU Hot Melt Adhesive Film manufacturer

DTF Printing is widely used in industries such as textile transfer, packaging, and signage due to its flexibility and high-quality output. However, several challenges can arise during the printing and transfer process, affecting print clarity, adhesion, and durability. This article explores common issues, their causes, and practical solutions to optimize print performance.   1. Faded or Washed-Out Prints Possible Causes & Solutions:   Low print resolution/pass count → Increase print precision and adjust pass settings for better ink deposition.   Poor ink absorption by PET film → Replace with a higher-quality PET film designed for better ink adhesion.   Ink-film incompatibility → Test alternative inks or PET films to ensure chemical compatibility.   2. Dull or Weak Colors Similar to faded prints, solutions include:   Increasing print resolution and pass count.   Switching to a PET film with superior ink absorption properties.   3. Ink Bleeding on PET Film Solutions: ✔ Activate the pre-heating plate (50–70°C) to help ink dry faster. ✔ Reduce ink volume by adjusting the ICC profile. ✔ Check for moisture in PET film—store in a dry environment. ✔ Replace unstable PET film if the printing layer is defective.   4. Residual Patterns After Transfer Possible Causes & Fixes:   Cold vs. hot peel method:   Hot peel: Faster but may cause adhesive powder to stick.   Cold peel: More stable, preferred for delayed processing.   Uneven coating:   Pre-transfer gaps → Indicates poor print layer quality.   Post-transfer residue → Indicates release layer defects.   Inspection tip: For single-sided PET films, check for pinholes under light before transfer.   Slow-curing adhesive powder → Use a faster-setting powder.   5. Oil Seepage (After Storage) Root Causes & Solutions:   Unremoved glycerol (ink humectant) → Preheat at 50–70°C to evaporate excess moisture.   Low-melting adhesive powder → Use higher-melting-point powder (~100°C).   No oil-absorption system → Install a drying tunnel with oil extraction.   6. Adhesive Powder Sticking Issues Prevention & Fixes: ✔ Increase pre-heating temperature to fully dry ink and reduce glycerol residue. ✔ Ground the printer to eliminate static electricity. ✔ Replace oxidized/damp PET film and store properly. ✔ Use larger adhesive powder particles (e.g., >80µm) for better adhesion control.   Cold Peel vs. Hot Peel: Which is Better? Factor   Cold Peel                                 Hot Peel Speed Slower Faster Stability High (less powder sticking) Moderate (risk of powder adhesion) Best For Delayed processing Immediate next-step production Note: Many modern PET films support both methods, so selection depends on workflow needs.   Conclusion To achieve high-quality digital prints on DTF Printing: ✅ Optimize print settings (resolution, pass count, drying temperature). ✅ Use compatible inks and films to prevent adhesion issues. ✅ Control environmental factors (humidity, static, storage conditions). ✅ Choose the right peel method based on production speed requirements.   By addressing these common challenges, manufacturers can enhance print durability, color vibrancy, and transfer efficiency, ensuring superior final products.   Pro Tip: Always conduct small-scale tests with new materials before full production to avoid compatibility issues.   Would you like additional details on any specific issue?

DPES TEXTILE PRINTING & EMBROIDERY 2025 2.15-2.17   Guangzhou, China – The DPES TEXTILE Exhibition, a premier event dedicated to digital textile printing and computerized embroidery technologies, successfully held its second edition in February 2023. Organized by the Screen Printing and Industrial Inkjet Printing Branch of the China Printing and Equipment Industries Association and Guangzhou Baoxuan Exhibition Co., Ltd., the exhibition has quickly established itself as a key platform for industry professionals.   The event showcased the latest advancements in digital direct printing, pigment printing, heat transfer, DTF, DTG, rotary printing, single and multi-head embroidery, as well as printing consumables and related equipment. With an exhibition area spanning 30,000 square meters, DPES TEXTILE attracted over 200 leading manufacturers from across the globe.   The organizers leveraged their deep industry expertise to create a comprehensive and engaging experience for attendees, fostering innovation and collaboration in the textile printing and embroidery sectors. The next edition of DPES TEXTILE is eagerly anticipated, promising to continue its trajectory as a must-attend event for industry stakeholders.   Shenzhen Tunsing is also one of the Participants. Our Booth is C 15.1Hall H53    

Please note that our company will be closed for the Chinese New Year celebration from Jan. 23rd until Feb.4th.  Normal business will resume on Feb,5th.