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Rivestimento in pellicola a trasferimento diretto (DTF)
Release Coating With Peeling Performance On PET Film For Textile Heat Sublimation Transfer Printing(DTF)
The water-based silicone release coating with peeling performance on PET film for textile heat sublimation transfer printing (DTF) is a high-performance functional release coating formulated from polydimethylsiloxane and its modified derivatives, combined with emulsifiers and other additives via advanced emulsification technology. This release coating exhibits excellent substrate adhesion on PET film while maintaining outstanding solvent resistance, enabling clean and effortless tearing during transfer printing. As a critical waterborne release coating designed specifically for DTF workflows, it forms a uniform, crosslinked non-stick surface with extremely low surface energy and strong chemical inertness, ensuring reliable release performance even under demanding processing conditions. Unlike solvent-based counterparts, this environmentally friendly release coating significantly reduces volatile organic compound (VOC) emissions, supporting global trends toward sustainability and operational safety. Its core functionality lies in delivering consistent peeling performance on PET film, making it an indispensable material for modern textile heat sublimation transfer printing applications.
Articolo n. :
Release Coating -Coat-529-1Applicazione :
PET Film For Textile Heat Sublimation Transfer Printing(DTF)Caratteristica speciale :
Excellent adhesion and solvent resistantProduct Overview
This water-based silicone release coating combines the environmental benefits of waterborne systems with the outstanding performance characteristics of silicone materials, specifically engineered to deliver superior peeling performance on PET film for textile heat sublimation transfer printing (DTF). This release coating is designed for application at low coat weights onto PET substrates using techniques such as spraying or roller coating, ensuring efficient material usage and consistent coverage. The release coating features a stable molecular architecture based on Si-O-Si backbone linkages, which provides excellent adhesion to PET film, solvent resistance, and clean tearing behavior during transfer printing. Its rheological properties and pH stability (7.0–8.0) enable reliable performance across varying environmental conditions, while the controlled viscosity (<3500 mPa·s) facilitates uniform coating without defects. By bridging the gap between functional release performance and sustainability goals, this release coating supports high-efficiency, precision manufacturing in modern DTF workflows, reducing volatile organic compound emissions without compromising peeling reliability.
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Key Features
Excellent Solvent Resistance: This release coating exhibits strong chemical inertness due to its stable Si-O-Si backbone, providing outstanding resistance to common solvents used in DTF printing processes. It ensures coating integrity and long-term peeling performance without degradation.
Environmentally Friendly Waterborne Formulation: As a water-based silicone release coating, it features ultra-low VOC emissions, non-toxic, non-flammable properties, and safe handling characteristics, fully complying with stringent environmental and safety regulations while maintaining high release efficiency.
Optimized Peeling Performance on PET Film: Specifically designed for textile heat sublimation transfer printing (DTF), this release coating demonstrates excellent adhesion to PET film and a free-tear release behavior, enabling clean, effortless separation after transfer without residue or substrate damage.
Controlled Rheology and Stable Processing: With a solids content of 35±2 wt%, pH of 7.0–8.0, and Brookfield viscosity below 3500 mPa·s, this release coating ensures uniform, defect-free film formation via spraying or roller coating. Proper storage at 5–30 °C in original packaging maintains its stability for up to 3 months, preventing undesirable viscosity shifts or precipitation.
Robust Physical and Microbial Stability: The release coating offers good resistance to moisture and physical aging under recommended conditions. However, it should be protected from bacterial, fungal, or algal contamination, which can cause irreversible damage — highlighting the importance of sanitary handling in production environments.
Versatile for DTF Workflow Integration: This waterborne release coating bridges high-performance release requirements with sustainable manufacturing. Its reliable release force and solvent resistance make it an indispensable material for modern DTF heat transfer processes, supporting high-speed, precision textile printing applications.
| Parameter | Typical Value | Unit | Notes |
| Viscosity (25°C, Brookfield RV) | <3500 | mPa·s | Spindle 3, 20 rpm |
| Soild Content | 25±2 | % | / |
| pH Value | 7.0 - 8.0 | – | / |
| Shelf Life | 12 | months | Stored in sealed containers at 5–30°C |
| Storage | Cool, dry place | – | Avoid direct sunlight and moisture |
Applications

1. Achieve Clean and Reliable Peeling Performance on PET Film with Superior Solvent Resistance
This water‑based silicone release coating forms a stable, crosslinked non‑stick layer on PET film, delivering a free‑tear peeling behavior specifically optimized for textile heat sublimation transfer printing (DTF). The release coating exhibits outstanding chemical inertness due to its Si‑O‑Si backbone, effectively resisting attack from DTF inks, adhesives, and routine cleaning solvents. Unlike conventional release coatings that may leave residue or cause tearing, this release coating ensures complete, residue‑free transfer of printed patterns onto fabrics, dramatically reducing waste and rework. Its excellent adhesion to PET and controlled release force guarantee consistent peeling performance even after prolonged storage or repeated printing cycles.
2. Streamline DTF Production with Excellent Processability and Storage Stability
Engineered for high‑speed roll‑to‑roll coating lines (gravure, flexo, or bar coating), this release coating features a Brookfield viscosity below 3500 mPa·s (25 °C) and a solids content of 35±2 wt%, enabling uniform application at low coat weights without defects such as pinholes or streaks. The release coating offers outstanding wetting and adhesion to PET film, preventing delamination during subsequent adhesive powdering and heat pressing steps. With a recommended storage temperature of 5–30 °C and a shelf life of three months in original unopened packaging, this release coating maintains stable pH (7.0–8.0) and particle size distribution, minimizing downtime caused by viscosity drift or precipitation. Proper sanitary handling further protects the release coating from irreversible bacterial or fungal contamination, ensuring trouble‑free continuous operation.
3. Enhance Final Product Quality with a Sustainable, Low‑VOC Release Solution
Formulated as a waterborne system, this release coating significantly reduces volatile organic compound (VOC) emissions compared to solvent‑based alternatives, supporting eco‑friendly manufacturing and workplace safety without compromising peeling performance. The release coating exhibits excellent resistance to moisture and physical aging under recommended conditions, preserving its non‑stick integrity during heat pressing (up to typical sublimation temperatures). Its non‑toxic, non‑flammable nature simplifies handling, storage, and disposal. By delivering a consistent matte or gloss appearance (as required) and preventing blocking between coated layers during rewinding or stacking, this release coating enhances the overall quality and shelf life of DTF transfer films. For demanding production environments, optional crosslinker addition can further boost durability, though the neat formulation already provides reliable release performance for most DTF workflows.


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