Fanfold 4×6 direct thermal labels are 4″×6″ (102×152 mm) white direct-thermal facestock (no ink or ribbon needed) with a strong permanent adhesive. They come fanfolded in a stack of 500 labels (one stack per pack) with a perforation between each label for easy tear-off. The direct-thermal coating produces crisp black print and resists scratches, water, dirt, and grease (paper is BPA-free/RoHS-compliant). Fanfold 4×6 direct thermal labels feed from the back of compatible printers without a roll core, saving space and preventing curls.
Specifications of Fanfold 4×6 Direct Thermal Labels:
| Specification | Details (per label) |
| Label dimensions | 4″×6″ (100×150 mm) |
| Material (facestock) | Direct thermal (white top-coated paper) |
| Top coating | Thermal-sensitive coating (provides direct-print image) |
| Liner type | Standard release liner (typically white kraft) |
| Adhesive type | Permanent (strong self-adhesive) |
| Labels per stack | 500 labels |
| Stacks per pack | 1 stack (pack total = 500 labels) |
| Total labels (pack) | 500 |
| Orientation | 4″ width × 6″ height (portrait) |
| Perforation | Perforated between each 4×6 label (for easy separation) |
| Core size | None – fanfolded stack (no core) |
| Color | White face, black-printed text |
| Format | Fanfold (stacked sheets) |
| Operating temperature | –40 °C to +60 °C (–40 °F to +140 °F)* |
| Storage | Cool, dry conditions recommended (≈5–25 °C, 20–50% RH) |
| Shelf life | ~12–24 months (in proper storage) |
Compatibility of Fanfold 4×6 Direct Thermal Labels:
| Brand | Series/Type | Models (examples) |
| Zebra | Desktop (GK/GX, ZD), Industrial (ZT, ZM, S4M, 110Xi) | GK420d, GX420d, ZD410, ZD420, ZT230, ZT411, ZM400, S4M, 110XiIII |
| Honeywell (Datamax) | Desktop (E-Class Mark III) & Industrial (M-Class, H-Class) | E-Class Mark III, M-Class Mark II, M-Class Mark III, H-Class, I-4212 |
| Intermec (Honeywell) | Desktop (PC23d/PC42d), Industrial (PM/PD series) | PC23d/PC42d, PM43, PD43, PD42 |
| Sato | Industrial | CL4NX, S84-ex, S86-ex, CL6NX |
| Citizen | Desktop/Industrial | CL-S521, CL-S700, CL-E331 |
| TSC | Desktop (TTP/TDP), Industrial (MH) | TTP-247, TTP-344MPro, TDP-247, MH240, MH340 |
| Bixolon | Desktop | XD3-40, XD5-40, XD5-60 |
| Printronix | Industrial | T8000 Series, T5000 Series |
| GoDEX | Desktop/Industrial | DT2x, RT2x, HD2x |
| Rollo | Desktop | Rollo Label Printer (original and Pro models) |
| Munbyn | Desktop | Munbyn T500 (and other Munbyn label printers) |
| Other | Many generic/lesser-known direct-thermal printers | iDPRT / IDP (Tango, T500), Phomemo (M110), NETUM, POLONO, Jiose, K-Comer, LabelRange, OFFNOVA, NexLabel, etc. |



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