White PET Label Stock | H56 Series — 50μm PET Face / 80g Glassine Liner
Product Code: GS-TDS-H56-EN 1. Product Description
H56 is a white matte PET (polyester) label stock designed for thermal transfer printing in industrial and battery pack labeling applications. It features a 50 μm white polyester face material coated with Y28 permanent acrylic adhesive, laminated onto an 80 g/m² white glassine release liner. The combination of high surface tension, excellent adhesion to metal and plastic substrates, and a wide service temperature range makes H56 well-suited for battery cell identification, module labeling, and component tracking in energy storage systems.
2. Product Construction
Face Material
White Polyester Film (PET)
Adhesive
Y28 Permanent Acrylic
Release Liner
80g White Glassine
| Construction Parameters |
| Component | Thickness (μm) | Basis Weight (g/m²) |
| Face Material — White PET | 50 ± 3 | 50 ± 4 |
| Adhesive — Y28 Acrylic | 18 ± 3 | 19 ± 3 |
| Release Liner — White Glassine | 80 ± 5 | 80 ± 5 |
| Recommended Ribbon | B110C |
3. Face Material Properties
| Item | Unit | Spec / Value | Test Method |
| Color | — | White | Visual Inspection |
| Thickness | μm | 50 ± 3 | GB/T 7125 |
| Basis Weight | g/m² | 50 ± 4 | — |
| Wetting Tension (Surface Energy) | dyne/cm | ≥ 40 | ASTM D2578 |
| Recommended Thermal Transfer Ribbon | — | B110C | — |
4. Release Liner Properties
| Item | Unit | Spec / Value | Test Method |
| Liner Type | — | White Glassine | — |
| Color | — | White | Visual Inspection |
| Thickness | μm | 80 ± 5 | GB/T 7125 |
| Basis Weight | g/m² | 80 ± 5 | — |
| Release Force | g/inch | 5 ± 3 | — |
5. Adhesive Performance — Y28 Permanent Acrylic
| Item | Unit | Spec / Value | Test Method |
| Adhesive Coat Thickness | μm | 18 ± 3 | GB/T 7125 |
| Dry Coating Weight | g/m² | 19 ± 3 | Milligram Balance |
| Residual Solvent (Heating Loss) | wt% | ≤ 1.5 | — |
| Peel Adhesion to Mirror Steel (180°) | kgf/inch | ≥ 0.6 | GB/T 2792 |
| Initial Tack (Loop Tack) | # (Ball No.) | ≥ 8 | GB/T 4852 |
| Holding Power (Shear Resistance) | Hr / kg/inch² | ≥ 8 | GB/T 4851 |
| Service Temperature Range | °C | -5 ~ 80 | Constant Temp. Test |
| Minimum Application Temperature | °C | ≥ 5 | — |
* All adhesive tests conducted at standard conditions: 23 ± 2°C, 65 ± 5% RH.
6. Key Features
White matte PET face — excellent print contrast for thermal transfer
Y28 permanent acrylic adhesive — strong bond to metals & plastics
High surface energy (≥40 dyne) — superior ink/ribbon adhesion
Low residual solvent (≤1.5 wt%) — clean and safe for enclosed environments
Wide service temperature: -5°C to 80°C
White glassine liner — smooth dispensing on auto-labeling machines
Compatible with B110C thermal transfer ribbon
Suitable for battery cell, module & ESS component labeling
7. Storage & Handling
Store in a cool, well-ventilated area away from direct sunlight and heat sources. Recommended storage temperature: 5°C – 35°C, relative humidity ≤ 70% RH. Keep rolls standing upright or laid flat on original packaging. Shelf life: 12 months from date of manufacture under recommended storage conditions. Avoid exposure to solvents, oils, or strong oxidizing agents.