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Water-activated kraft tape only does its job once it is activated with water and cut to length, so the dispenser is the part that decides how well your seal holds. We make two types of dispensers: the KN-266 manual dispenser and the KN-366Hi electric dispenser. They work on the same water-activation principle, but they are built for very different packing stations. This guide compares them on the specifications we publish.
Short version: if you seal fewer than 200 cartons a day, choose between the KN-266 and the KN-366Hi to suit your needs — the KN-266 needs no power at all, while the KN-366Hi is our high-throughput electric model. Over 200 cartons a day, choose our automatic case sealer instead of a dispenser.
Both of our dispensers run water-activated kraft tape. Its starch adhesive needs water to activate — pressure or heat alone will not do it — so any water-activated setup needs two things on site: a water supply and a dispenser. If a station has neither, and you still want an eco-friendly seal, self-adhesive kraft tape is the right choice for you.
Both machines take water-activated tape up to 3 in (76 mm) wide, and our water-activated tape keeps for 2 years from shipment.
The KN-266 is a manual dispenser. Fill the water tank, load the roll, set the length on the dial, and pull the handle: the machine wets the tape, cuts it to the preset length, and hands it to you to apply to the carton by hand.
| Item | KN-266 |
|---|---|
| Type | Manual |
| Power required | None |
| Tape width | Up to 76 mm |
| Max roll diameter | 200 mm (7.9 in) |
| Preset cut lengths | 15–72 cm (approx. 6–28 in) |
| Water capacity | 1.3 L (0.34 gal) |
| Heater | No |
| Net / gross weight | 8.1 kg / 9.5 kg (17.9 lb / 20.9 lb) |
| Dimensions | 470 × 275 × 248 mm (18.5 × 10.8 × 9.8 in) |
Its biggest strength is having no electronics at all, so there is little to go wrong: no outlet, no battery, no firmware — it keeps working on a dock with no power nearby. We also use a dual scale system (inch and metric), with preset lengths in 1-inch intervals. Competitors typically use 2-inch intervals, so our finer steps waste less tape on offcuts.
The trade-offs are structural too. Output is limited by the operator’s arm, not by a motor. There is no auto-dispense mode, no hand-wave sensing, no usage logging, and no connection to the line.
The KN-366Hi is our flagship electric dispenser, and it is in a different class from anything else on the market. It senses, it measures, it logs, and it talks to your line.
| Item | KN-366Hi |
|---|---|
| Type | Electric |
| Power | 100–240 V, 50/60 Hz, 1 A |
| Configurations | Plug-in · Built-in battery · External battery |
| Battery | 4.4 / 5.6 / 6.8 Ah (standard 4.4 Ah) |
| Tape width | 1.4–3 in (36–76 mm) |
| Max roll | 1,400 ft (427 m), 11 in (280 mm) OD |
| Dispensing speed | Up to 43 in/s (109 cm/s); adjustable 23–59 in/s, recommended 38–51 in/s |
| Water capacity | 2.7 L (0.71 gal) |
| Heater | Yes — default 104 °F (40 °C), must stay below 158 °F (70 °C) |
| Noise | 65 dB |
| Net / gross weight | 29.5 lb / 32.2 lb (13.4 kg / 14.6 kg) |
| Dimensions | 20.1 × 11.1 × 11.6 in (510 × 282 × 295 mm) |
| Certification | CE / FCC |
| Warranty | 2 years parts, 6 months labor |
Three things set it apart from the manual machine. Dispensing modes. It offers Manual, Auto, and iSense. Manual gives you nine preset length buttons (6–30 in) plus three programmable custom keys. Auto dispenses at the time interval you set. iSense triggers on a hand wave through an infrared zone, so the operator never touches the machine. It also supports H-seal, with center and side seal lengths programmed through a graphical interface.
Heating and water, under control. The heater holds water at the temperature you set, which matters in a cold room, where unheated water wets the starch adhesive poorly. A low-water alert warns on screen and by buzzer before the moisture runs low.
Data and integration. It logs the length dispensed and the box count each day, plus running totals for length and cuts. Its interfaces include RJ45 Ethernet, a 9-pin RS-232 port for a carton-measuring module or logistics system, a 3-pin contact output for conveyor expansion, and a 2-pin foot-pedal input.
| Dimension | KN-266 manual | KN-366Hi electric |
|---|---|---|
| Throughput driver | Operator pace | Motor, up to 43 in/s |
| Power | None | 100–240 V or battery |
| Tape roll | 200 mm OD max | 1,400 ft / 280 mm OD |
| Water | 1.3 L | 2.7 L |
| Heating | No | Yes |
| Preset lengths | Dial, 1-in intervals | 9 presets + 3 custom |
| Sensing / automation | None | iSense, Auto, H-seal |
| Usage logging | None | Daily + cumulative |
| Line connectivity | None | RS-232, RJ45, contacts, foot pedal |
| Noise | Not published | 65 dB |
Start with daily volume. For stations under 200 cartons a day, we recommend a manual or electric dispenser — it saves cost. From 200 to 1,500 cartons a day, use a semi-automatic case sealer; above 1,500, a fully automatic sealer. Within the dispenser class, the KN-266 fits low-volume, multi-operator, or power-free stations. The KN-366Hi fits stations where the dispenser is the bottleneck.
Then check power and portability. The KN-366Hi’s power-core design supports a built-in battery and an external battery, so it can follow a station that moves. If there is genuinely no power, the KN-266 needs none at all.
Then check roll economics. The KN-366Hi takes 1,400 ft rolls — a large-roll specification we rate on KN-3140 four-yarn tape. Larger rolls mean fewer changeovers: a real labor saving at volume, and irrelevant at 30 cartons a day.
Starch adhesive is only as good as the roll it came on. Store our water-activated tape at 4 to 26 °C (39 to 79 °F) and 40 to 50% relative humidity, in a clean, dry place away from volatile solvents, and rotate stock. A roll that has absorbed moisture or baked in a hot trailer will wet unevenly, no matter which dispenser feeds it.
If you want help matching a dispenser to your daily volume, carton sizes, and tape grades, contact us through the inquiry form.
Note: Tape and equipment values quoted in this article are laboratory averages tested under ASTM and GB/T dual standards. They are provided for general reference; JL3 does not warrant that any individual roll or machine will match them, and specifications may change without notice. Validate performance on your own line and your own cartons before you commit to a configuration.
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