Ice looks like the simplest cooling medium there is, yet its form changes how fast and how gently it cools. Thin flakes pack tightly around a sample, a specimen or a fish, and meltwater keeps the contact going. This guide covers how flake ice forms, where it fits in laboratory, clinical and food work, how to size output against demand, and where scale and selection need care.

What Makes Flake Ice Different

Short answer: flake ice is made by freezing a thin film of water on a refrigerated surface and scraping it off as small, soft flakes, which pack closely around items and cool them quickly without sharp edges.

Compared with larger cubes, flakes present far more surface area for the same mass, so heat leaves the sample faster and the contact stays even as the ice melts. The flakes are soft and moldable, which is why they suit delicate samples and fresh food as well as general ice baths.

The Flake Ice Maker LE-FI105 is a laboratory flake ice maker with a listed 70 kg per 24 h of ice production, a 25 kg built-in storage bin, an air-cooling system and a fully automatic controller.

How a Flake Ice Machine Forms Ice

An ice flake machine, sometimes sold as an ice flaker ice machine, follows the sequence below. The notes also point out the listed features of the LE-FI105 where the product page names them.

  1. 1

    Feed water

    Water enters through the inlet pipe, which is a listed standard accessory.

  2. 2

    Chill the surface

    A refrigeration circuit cools the evaporator surface. The listing names R134a refrigerant and an air-cooling system.

  3. 3

    Freeze a thin film

    Water spreads across the cold surface and freezes in a thin layer.

  4. 4

    Scrape off flakes

    A rotating blade removes the frozen layer as small flakes.

  5. 5

    Store

    Flakes fall into the built-in bin, which holds 25 kg according to the listing.

  6. 6

    Regulate

    The automatic controller manages production and pauses it when the bin is full.

The page does not describe the evaporator type or the exact control logic, so the sequence above describes the general principle of a flake ice making machine rather than the internal design of this model. Excess meltwater leaves through the drainage pipe, another listed accessory.

Diagram placeholder: evaporator surface cutaway showing water film, rotating scraper, flake discharge and storage bin

Practical Use Cases Across Settings

Flake ice uses depend on how closely the ice must contact the item and how cold the item must stay. The product page lists laboratory cooling, experimental setups, food handling, home use and small-scale applications, and the cards below describe typical workflows.

Laboratory sample cooling

Reagents, enzymes and extracts are kept cold at the bench, and a slurry of flakes and water gives faster, more even cooling than ice alone.

Specimen transport

Specimens that are specified for wet ice are packed with flakes for short transfers. Products that must not freeze, such as most vaccines, use validated packs instead.

Seafood and food handling

Soft ice keeps fresh product near 0 °C without bruising. Processors work at far greater volumes than this unit supplies.

Experimental setups

Ice baths for reactions and extractions, where steady contact keeps the temperature close to freezing.

The title of this guide lists seafood processing and medical cold chain, but the product page names neither. Those fields are covered here as typical uses of flake ice in general, with the capacity of this unit set out in the sections that follow.

Flake Ice Compared with Other Ice Forms

Ice form shapes contact, melt rate and handling. The comparison below describes typical behavior rather than one model.

Ice formContact with itemsTypical fitConsideration
FlakeClose, with large surface areaFast cooling of samples and fresh foodMelts quickly, so supply must be continuous
CubePoint contact between cubesDrinks and general coolingSlower, uneven cooling around irregular items
Block or large piecesLimited contactLong hold times in insulated boxesSlow to cool a warm load

Both flake and cube machines belong to the ice maker category, and the item being cooled usually decides the form before output is considered.

Matching Output to Demand: A Worked Example

Daily output is an average rate, while demand arrives in bursts, so storage matters as much as capacity. The numbers below are illustrative, based on the listed 70 kg per 24 h and 25 kg bin.

StepIllustrative value
Average production rate70 kg / 24 h = about 2.9 kg per hour
Bin full at 9:0025 kg available
First draw at 9:0015 kg removed, 10 kg left
Production until 13:004 h x 2.9 kg = about 11.6 kg
Available at 13:00about 21.6 kg, so a second 15 kg draw is met

A demand of 25 kg per two-hour period would not be met, because production adds only about 5.8 kg in that time. Real output also varies with water temperature, room temperature and air flow around an air-cooled unit, and the listing gives no test conditions for the 70 kg figure.

Laboratory Scale and Industrial Scale

A laboratory ice maker and an industrial flake ice maker share a principle but not a purpose. The LE-FI105 weighs 57 kg and stands under 900 mm tall, which suits a lab or a small clinic. Industrial machines are typically rated in hundreds to thousands of kilograms per day, with separate storage and handling for fish landings or processing lines.

That gap matters for seafood especially. A processing plant sizes ice to throughput and holding time, and a unit at this scale would serve a small kitchen or a research sample room rather than a plant. When demand approaches the capacity figure, a larger model or several units are the usual route. Food use also brings hygiene requirements for water quality and sanitary design that go beyond a laboratory setting.

Handling and Hygiene

Ice that touches samples or food should be handled like any other contact material. The points below are general practice, and the manual takes priority.

Specifications Worth Reading Closely

A datasheet for a flake ice maker machine is short, so each line matters. The figures below come from the LE-FI105 listing, which is also summarized in its product catalog.

ParameterLE-FI105 listingWhy it matters
Ice production70 kg per 24 hAn average rate, not a peak output
Ice storage25 kg binSets how much can be drawn at once
CoolingAir-cooled, R134a refrigerantNeeds room airflow and ambient limits
ControlFully automatic controller, digital displaySupports unattended production and basic monitoring
HousingStainless steel 304 exterior, slide-away access doorCleanable surface and access to the bin
Water consumptionListed as up to 2.9, with no unitNeeds confirming to plan plumbing and drainage
Power420 WLow draw, with voltage not stated on the page
Size and weight548 x 611 x 883 mm, 57 kg netBench or floor placement
Standard accessoriesInlet pipe, drainage pipe, ice spoonBasic connections come with the unit

The listing mentions no operating ambient range, so allowable room temperature and ventilation clearances should be confirmed with the supplier.

Selection Mistakes to Avoid

Exploring the Wider Ice Range

This machine belongs to the flake group at Lab Expo, which sits beside cube ice makers in a wider ice portfolio. According to the flake ice maker range page, these units are fully automatic, computer-controlled and compact, with built-in storage bins that keep ice available, and they are positioned for food service, laboratories, healthcare and home use.

Within this category, options are usually weighed on ice form, daily output, bin size, cooling method, control type and footprint. The complete Ice Maker category lists the configurations available.

Alyna Collins

Senior Laboratory Content Writer

Specialty: Laboratory Equipment & Scientific Applications

Writing Style: Technical, Professional

Alyna Collins is a Senior Laboratory Content Writer
specializing in laboratory equipment, scientific technologies,
analytical testing, and laboratory applications. She writes research-based
articles that explain equipment functions, technical specifications, operating principles,
and practical applications in a clear and accessible format for laboratory and scientific audiences.

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