SHENZHEN, CHINA – In the high-stakes world of technical textile engineering, the difference between a premium garment and a manufacturing failure often lies in the molecular behavior of the adhesive. Shenzhen Tunsing Plastic Products Co., Ltd. has released an in-depth technical profile of its DS3412 Hot Melt Adhesive Film, specifically focusing on the phase transition data critical for European and American high-end apparel manufacturers.
For engineers designing seamless intimate apparel or performance activewear, the "Transition Temperature" is the most vital data point for ensuring structural integrity. Using an Anton Paar rotational rheometer, Tunsing has identified that DS3412 undergoes a transition from a viscoelastic solid to a viscoelastic fluid at approximately 129.1°C.
This precise insight allows production managers to calibrate machinery with surgical accuracy, ensuring the polyurethane adhesive flows perfectly into the fibers of Lycra and spandex without compromising the "ultra-soft" hand-feel required by Western consumers.
To meet the rigorous Quality Control (QC) requirements of the global market, Tunsing’s V1.4 data sheet provides comprehensive thermal analysis:
Glass Transition : A significant endothermic effect is observed at -41.9°C, ensuring the bond remains flexible and crack-resistant even in extreme cold-weather environments.
Melting Peak : A distinct peak at 130.6°C defines the optimal flow temperature, vital for preventing "strike-through" on delicate nylon fabrics.
Mechanical Resilience: With a Shore A hardness of $52pm2$, the film mimics the natural elasticity of the textile, preventing the "stiff seam" syndrome common in lower-grade adhesives.
| Metric | Value / Standard |
| Composition |
Polyurethane |
| Melt Flow Index (MI) |
8±3cm³/10min (ASTM D1238-04) |
| Activation Temp |
155-185 °C |
| Specific Gravity |
$1.15pm0.02g/cm^{3}$ |
| Standard Roll |
1580mm * 100yard |
Tunsing recommends a sophisticated two-step lamination process to achieve maximum peel strength on super-elastic fabrics:
First Lamination: 150°C-170°C for 5-15 seconds at 0.3-0.6mpa.
Second Lamination: 150°C-180°C for 8-25 seconds at 0.3-0.6mpa.
"By providing full transparency through DSC and Rheometer curves, we are giving engineers the tools they need to innovate," says the Tunsing technical team. "DS3412 isn't just a component; it's a precisely engineered material for the future of seamless clothing".
About Shenzhen Tunsing Plastic Products Co., Ltd. Based in the Tunsing Industrial Zone, Shenzhen, the company is a premier manufacturer of thermoplastic materials, dedicated to providing reliable, data-driven bonding solutions for the global textile industry
