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LA CHINE Shenzhen Tunsing Plastic Products Co., Ltd. Nouvelles de l'entreprise

Troubleshooting Common Issues in DTF Printing

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?

2025

05/21

DPES Impression et broderie textile 2025 2.15-2.17

DPES Impression et broderie textile 2025 2.15-2.17   Guangzhou (Chine) L'exposition DPES TEXTILE, un événement majeur dédié à l'impression textile numérique et aux technologies de broderie informatisées, a eu lieu avec succès sa deuxième édition en février 2023.Organisé par la branche de l'impression à écran et de l'impression à jet d'encre industrielle de l'Association des industries de l'impression et de l'équipement de Chine et Guangzhou Baoxuan Exhibition Co.., Ltd., l'exposition s'est rapidement imposée comme une plateforme clé pour les professionnels de l'industrie.   L'événement a présenté les dernières avancées en matière d'impression directe numérique, d'impression de pigment, de transfert thermique, de DTF, de DTG, d'impression rotative, de broderie à tête unique et à têtes multiples,les consommables d'impression et les équipements connexesAvec une superficie d'exposition de 30 000 mètres carrés, DPES TEXTILE a attiré plus de 200 fabricants de premier plan du monde entier.   Les organisateurs ont mis à profit leur expertise approfondie pour créer une expérience complète et engageante pour les participants.la promotion de l'innovation et de la collaboration dans les secteurs de l'impression et de la broderie textilesLa prochaine édition de DPES TEXTILE est très attendue et promet de poursuivre sa trajectoire en tant qu'événement incontournable pour les parties prenantes de l'industrie.   Shenzhen Tunsing est également l'un des participants.    

2025

02/11

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