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What Is a Bath Bomb Press Machine & Can It Benefit My Business?

The first step in any bath bomb making business is to understand what you're working with and how the ingredients work together to eventually give you the results you want. This is truly a science. Whether that be a colorful bath bomb, one that fizz's, floats, spins, foams, soothes or even one that has that special surprise inside.

After you have figured out the purpose of your bath bomb(s), the next step is to make sure the ingredients work together to give you a mixture that will hold up to being molded and un-molded. Once you have achieved some of these steps, there are additional tools and accessories that can make your life a little bit easier.

If you are simply looking to make bath bombs for fun to distribute at birthdays or holidays, or for kids to play with in the tub, a bath bomb press, or bath bomb molding machine is probably not necessary for you.

However, if you're someone who makes and sells bath bombs for a living or a side job, a bath bomb press machine may be just what the doctor ordered. Making dozens of these treats everyday may be fun at first, but you will get to a point where you want to automate this process a little more, especially if you sell well online or through channels such as local, county fairs and other events where you are making large batches.

There are several different press machines out on the market, including electric ones, to single and double press machines where you can do multiple molds at once.

The great thing about these is they save your hands and wrists from that constant press together motion that can get quite cumbersome. Not only that, the newer presses are designed for a variety of bath bomb molds and designs, so no longer do you have to stick with only round bath bombs.

Electric Bath Bomb Press:

These are probably the best bath bomb presses because you do virtually no work or labor, it's simply getting your ingredients together to form the perfect mold and the machine does the rest.

The downside of these bath bomb press machines, is there price-tag. If you look into getting an electric press from a reputable company you are easily looking at a couple hundred bucks to even over a grand. From experience, you get what you pay for with these. You can find these from places like Amazon or simply doing a search on google for bath bomb mold press machines.

Regardless, make sure you read your reviews. Also, many of these automated mold presses come with there own recipes that work best for there molds, so keep that in mind. Here are one of the simpler electric bath bomb presses: Electra Press

How to Professionally Package Bath Bombs

To offer customers, a better in-store experience, retail bath bomb packaging should display the product's sight and smell. The vibrant colors and enticing aromas will help drive sales and increase attention while on store shelves. The packaging should also protect and enclose the product to prevent shattering when dropped or crushed.

Heat shrink wrap is a clear protective packaging solution that uses vent holes to allow air to escape the film during shrinking. The small pin-sized vent holes enable smells to escape the packaging. Shrink wrapping offers a protective enclosure while displaying the bath bomb look and smell.

The use of a thin shrink wrap film provides increased protection while still allowing easy opening. Customers can easily open the packaging by hand after purchase. The wholly sealed package also offers extra security from dropped or crushed bath bombs. The full enclosure prevents powders from exploding when dropped or damaged.

The most affordable option for professional bath bomb shrink wrapping is the use of shrink bags, a heat sealer, and a shrink gun. The heat sealer seals the bag closed, and the heat gun shrinks the bag around the bath bomb. The finished look is the same as more expensive options, but more time is required to package each product.

When looking at different machine options, the main difference is the efficiency of the machine. Higher costing shrink machines are much faster and capable of wrapping thousands of products daily. The 1519 is a shrink combo system capable of packing over 3,000 bath bombs daily.

The recommended type of shrink film used for bath bomb packaging is a 45 - 75 gauge polyolefin shrink film. The lower the gauge, the thinner the film. A thinner film will allow for more effortless opening, but not provide as much break protection from dropped or crushed rolls.

Polyolefin shrink film is softer to the touch than PVC shrink film and provides excellent clarity. Polyolefin shrink film is available in shrink bags and centerfold rolls. The bags come with a pre-made vent hole and rolls can be perforated by most machines.

What is a Blister Packing Machine?

Blister packing machines are special machines that are used as unit-dose packaging for tablets, capsules, etc. The device has a component of a bubble pack that may be a cavity or pocket made up of a formable film, usually a thermoformed plastic or cold-formed aluminum film. This usually features a lidding seal of aluminum foil.

In other words, this is an electromechanical machine that has both moving and stationary parts that aid in packaging and sealing products in pre-formed cavities.

The mechanical movements facilitate the formation of sized cavities on packaging material, filling, and sealing with appropriate materials.

Using different packaging materials and principles of forming, Blister Packs could also be divided into three types:aluminum/plastic (thermoforming) bubble pack, aluminum/aluminum (cold forming) bubble pack, and aluminum/plastic/aluminum bubble pack.

Types of Blister Sealing Machine

Based on their operation process, the automatic blister packing machine is divided into three distinct categories.

These are :

Roller type blister packaging machine

Roller plate blister packaging machine

Flat plate blister packaging machine

Automatic capsule filling machine working principle

Automatic capsule filling machine is a fully automatic capsule filling machine, with which capsule separation, filling and locking can be done automatically. The machine that can greatly improve production efficiency and reduce labor costs.

Automatic Capsule Filling Machine is divided into intermittent motion type and continuous motion type, and the intermittent motion type account for the majority of the market, so the following discussion will take this type of machine as example. The core part of the intermittent motion type automatic capsule filling machine is the round filling stations in the center:

Capsules rectification

Separation of capsule caps from bodies

Filling medication

Wasted capsules rejection

Capsule locking

Filled capsuled ejection


Most of factory-fresh empty capsules are joined capsules whose caps and bodies are joined together. Capsules need to be rectified for filling process. Capsules are randomly poured into the capsule delivery plate with a plurality of circular channels inside. These channels are suitable for a capsule to go through, and the lower part of each channel is equipped with spring pieces. During operation, the capsule delivery plate reciprocates up and down, and makes capsules enter holes and be stuck by the spring piece. Then the capsule delivery plate moves downward to make the spring piece releases the capsules, and then capsules falls. Capsules need further rectification as it may be body end downward or cap end downwards when falling.

The capsule falls in front of the horizontal fork. Due to the special structure, the horizontal fork always acts on the middle part of capsules bodies of which the diameter is smaller. Because of the different center of gravity, the capsule will be moved as the capsule body ahead, whether the capsule is capsule body end downward or cap end downwards. Then the capsule direction will be adjusted again by the vertical fork. So that all capsules enter the segment as capsule body downward. Now, the capsule rectification is completed.

Generally, automatic capsule filling machine has different models available depending on holes on the capsule tray. Take our NJP series automatic capsule filling machine as an example: 6 holes for 9 holes for 1200C, 18 holes for 2000C, and 24 holes for 3500C. It shows how many capsules the machine can fill per time, and affect the maximum filling speed. Most automatic capsule filling machines can fill capsule of different sizes by changing mold.

Separation of capsule caps from bodies

The capsule tray is transferred to the capsule separation station, and the vacuum divider raises to make its upper surface close to the lower surface of the lower segment without gap. The capsule will be separated by vacuum because of the difference of the diameter of capsule caps and bodies. Capsule caps will be stuck to the upper part of the capsule tray and capsule bodies will go downwards.

After separation, the upper and lower part of the capsule tray will be separated and be transferred to their respective stations.

Filling medications

Capsule body will be conveyed to the filling station for filling medication. There are many ways of filling medication, mainly are the tamping filling, intermittent dosator filling, dosage cylinder filling and vacuum filling.

Tamping filling

Tamping filling use tamping punch to make powder compacted. The dosing disc will turn for once after taming to transfer the powder to next tamping punch and powder over the dosing disc will automatically fill the dosing disc holes. And after tamping, the powder will be filled into the capsule body.

With this method, the dosage is relatively accurate dosage, and the error is as low as 2%. And it is able to fine-tune the powder plug dose by adjusting the lifting height of the tamping punch. But this method is applicable to powder of good fluidity

  • Created: 08-03-22
  • Last Login: 08-03-22

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