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Tea vacuum packing machines come in different types, mostly depending on the orientation of the pouch to be sealed. There are tea vacuum packing machines for zipper pouches, tea bags, and cartons and jars.
Tea zipper pouch vacuum packing machine
This machine is primarily used for tea brands that package their products in zipper pouches. It is designed to effectively remove air from the pouches, thereby prolonging the freshness and shelf life of the tea. The machine utilizes vacuum technology to extract air from the pouch, which is typically equipped with a vacuum valve for full cavity evacuation. Once the air is removed, the machine seals the zipper pouch to ensure a secure and airtight closure. By using a zipper pouch vacuum packing machine, tea distributors can preserve the flavor and aroma of the tea for an extended period, even after the pouch is opened.
Tea bag vacuum packing machine
This device is engineered to package loose tea efficiently. It employs a precise vacuuming method to eliminate air from the container, extending the tea's freshness and shelf life. Often integrated with an impeller-based gas flushing system, the machine can replace the oxygen removed from the package with nitrogen, preventing unwanted oxidation within the package. This is particularly advantageous for preserving the quality of tea. Once the air is extracted, the machine seals the container, usually a barrier bag with a seal tag or a mini pouch inside of a retail box.
Tea carton vacuum packing machine
This machine is tailored to package tea in larger quantities or bulk formats, such as cartons. It is designed to accommodate and seal tea cartons securely, ensuring the preservation of the tea's quality and freshness. The vacuuming process eliminates air from the cartons, which is subsequently followed by sealing to maintain an airtight and vacuum-sealed package. Furthermore, tea carton packing machines often come equipped with additional features such as labeling and numbering systems to streamline the packaging process for tea producers.
Tea jar vacuum packing machine
This machine is intended for packing tea in jars or airtight containers. It aids in the preservation of the tea's flavor and aroma by removing the air from the jar and sealing it. The tea jar vacuum packing device is available with a variety of sealing methods, including as sealing with a vacuum nozzle or a vacuum chamber followed by a manual or automatic locking system.
The following are key specifications to consider when shopping for vacuum packaging machines.
Power
Tea vacuum packing machines have various power ratings. Smaller portable models use less power, around 300 watts, while industrial machines consume more power, up to 3,000 watts. Higher power translates to faster packaging speeds. It is important to match the machine's power to the volume of packages required per hour.
Vacuum pump strength
This is the measure of how much air the machine removes from the pouch before sealing. The pump strength is measured in horsepower, ranging from 0.5 to 3.5. A stronger pump removes air faster and more thoroughly. For pouches containing solid tea, a packing machine with a pump of 1.5 HP and above is ideal.
Pouch sizes
Tea pouches come in various sizes, from 50 grams to 2 kg. Vacuum packing machines are compatible with pouches of 100 mm to 500 mm width. Smaller pouches have the option of using a gusset, which allows more tea to fit in the pouch and uses less material.
Seal Types
The vacuum packaging machine can create a single, double, or 4-channel seal. Single-channel seals are the standard and use one sealing element. Double seals use two parallel sealing wires to create stronger seals. Four-channel seals with threads in the corners are suitable for pouches with powdery content.
The material of construction
ASTM 304 stainless steel resists corrosion and daily chemical cleaning. This material also offers long-lasting value because it won't rust or deteriorate, even under constant use. It's crucial to opt for packaging machines that use 304 stainless steel since its tea's hygienic and preservative qualities depend on it.
Regular maintenance will help the vacuum packing machine seal stronger and last longer. Here are a few simple maintenance steps:
Tea packaging companies:
Generally, tea packaging companies use a vacuum sealer for tea bags to preserve freshness. After this, the packets may be further packaged into boxes for retail.
Specialty Food Producers:
Producers of other food items, like spices, coffee, and fragrant herbs, also strive to maintain product integrity and aroma. These producers utilize vacuum-sealing machines in the same manner as tea-production companies.
Hotels and Resorts:
Hotels often provide complimentary tea to guests, as is the case in many European countries. However, in larger establishments with sophisticated facilities, tea may be offered in specialty restaurants or spas. Because they are only sometimes used, safe storage is essential to preserve the tea's quality and avoid waste. A vacuum-sealing machine can be used here, too, though one may prefer a tea canister with a vacuum pump in this type of hospitality establishment.
Small-scale Tea Producers:
Family-owned tea farms at the micro- or small scale may not have the resources for large-scale vacuum-packing machines. However, a handheld tea vacuum-sealing device will be useful for small-scale producers to preserve their unique blends for local or regional sale or export.
Research and Development Facilities:
R&D organizations that study tea or food preservation techniques may use vacuum-sealing machines to conduct experiments, preserve samples, or package products for testing and analysis. These machines help researchers maintain the integrity of their samples, ensuring accurate results and reliable findings during investigations.
Apart from the features stated above, here are a few more things to consider when buying a tea vacuum packing machine.
Sealer width and strength
The sealing bar's width directly impacts the sealing strength. Wider sealing bars create broader seals, often resulting in enhanced sealing strength. For high-volume or industrial-grade applications, it's advisable to opt for vacuum packing machines equipped with multiple, lengthy sealing bars. Such machines ensure swift sealing for a substantial number of packages concurrently. Given the continuous operation of these devices, they are constructed to endure, featuring sealing bars made from sturdy materials.
Vacuum pump
Deciding between an external and an internal vacuum pump is crucial. External pumps are easily replaceable but may be more vulnerable to damage. Conversely, internal pumps are well-protected from external threats but can be challenging to replace. Internal pumps, typical in tabletop models, are shielded from dust, moisture, and debris. External pumps simplify machine maintenance but may require external cooling systems to prevent overheating during prolonged use.
Control panel
Modern vacuum packing machines come equipped with diverse control panel options, incorporating push-button systems to digitally controlled panels with preset functions. While digital panels are more straightforward to operate, their complexity is higher than that of a simple push-button control. Advanced digital controls may offer an assortment of functions and options, such as the capacity to adjust sealing time, vacuum levels, and humidity settings.
Construction and size
Typically constructed from stainless steel, the durability and hygiene of tea packing machines are ensured. Available in table-top and floor-standing designs, the packing machines are suitable for all kinds of business premises.
Q1: Do vacuum packs go stale?
A1: Vacuum packs will not go stale. Vacuum packing prevents air from getting into the pack, which can cause staleness.
Q2: Is vacuum packing worth it?
A2: Yes, vacuum packing is worth it. It increases shelf life, preserves flavor, and protects items from damage.
Q3: How long does vacuum packaging last?
A3: This depends on the item being vacuum packaged. For most items, vacuum packaging can extend shelf life by 2 to 5 years.
Q4: Does vacuum packaging prevent mold?
A4: Yes, vacuum packaging can prevent mold growth, especially when packaging dry items.
Q5: Can ziplock bags be vacuum sealed?
A5: It is possible to use ziplock bags when vacuum sealing. However, using a vacuum seal bag that contains textured engravings is better.
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