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GESON SUPPLY

One-Stop Energy Storage Auxiliary Materials Supplier

Email: kyle@gesonco.com  |  WhatsApp: +86 188 5766 5584  |  www.gesonco.com

TECHNICAL DATA SHEET

Doc No.: GS-TDS-H56-EN

Issue Date: March 2026  |  Ver: V2.0 Rev.0

White PET Label Stock  |  H56 Series  — 50μm PET Face / 80g Glassine Liner

Thermal Transfer Printable  /  Permanent Acrylic Adhesive
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.