Promarks Corp.

10/13/2026

Chamber Vacuum Sealer vs. External Vacuum Sealer - Which One Is Right for You?

Not all vacuum sealers are designed for the same job.

A chamber vacuum sealer offers stronger, more consistent vacuum performance and is ideal for commercial operations, high-volume packaging, liquids, marinades, meats, prepared foods, and other moisture-rich products.

An external vacuum sealer is more compact and affordable, making it suitable for home kitchens and smaller-scale, occasional packaging needs.

-Chamber Sealer: Commercial use • Stronger vacuum • Liquids & moist foods • High-volume packaging

-External Sealer: Compact • Lower cost • Everyday home use • Dry foods & smaller jobs

So, which one fits your operation?

Read the full comparison to understand the key differences and choose the right vacuum sealer for your needs:

Read the full blog
https://promarksvac.com/blog/chamber-vacuum-sealer-vs-external-vacuum-sealers/

10/08/2026

Choosing the right commercial vacuum sealer bag is about more than size or thickness.

A bag that works well for boneless beef may not be the right choice for bone-in meat, seafood, prepared meals, frozen foods, or industrial parts.

In our latest guide, we cover the key factors businesses should consider when selecting commercial vacuum bags, including:

• Product size, shape & weight
• Puncture and abrasion risk
• Moisture and liquids
• Freezing and storage conditions
• Bag thickness and material
• Chamber vacuum sealer compatibility
• Seal quality and bag size
• Handling, transportation & production volume

Whether you are packaging meat, seafood, ready-to-eat foods, restaurant ingredients, or industrial components, the right bag should match the entire packaging process not just the product.

Read the full guide to learn how to choose the right commercial vacuum sealer bags for your application.

https://promarksvac.com/blog/commercial-vacuum-sealer-bags/

10/06/2026

Vacuum-Sealing vs. Cling Film: Which Keeps Cheese & Deli Meats Fresher?

Cling film is convenient for short-term coverage but when commercial food businesses need better package integrity, reduced oxygen exposure, consistent sealing, and improved product protection, vacuum packaging offers a different level of control.

From cheese and sliced deli meats to cold cuts and prepared foods, choosing the right packaging method depends on your product, storage conditions, production volume, and packaging goals.

In our latest blog, we break down:

• Vacuum sealing vs. cling film
• How oxygen affects cheese and deli meats
• Vacuum packaging and refrigerated storage
• Commercial packaging consistency
• Choosing the right vacuum pouch
• Chamber vacuum sealer options for delis and food processors
• What vacuum packaging can—and cannot—do for shelf life

Read the full guide: https://promarksvac.com/blog/vacuum-sealing-vs-cling-film/

Looking for a commercial vacuum packaging solution? Talk to Promarks about your product and packaging requirements.

10/02/2026

Custom Heat Sealing for Specialized Medical Applications

Not every medical manufacturing application can be handled with a standard heat sealer.

For specialized products such as surgical robotic covers and medical-grade protective drapes, manufacturers may require precision sealing, cutting, forming, and application-specific tooling.

Promarks Heat Seal Division developed a custom heat sealing and cutting system for Ecolab’s Da Vinci surgical drape application, using precision heated die tooling to create the required seal and product profile.

* Precision heat sealing
* Custom die tooling
* Integrated sealing & cutting
* Application-specific machine controls
* Operator safety systems

Whether you need to seal medical films, produce custom-shaped components, or integrate sealing and cutting into one production process, Promarks can engineer a solution around your specific requirements.

Read the full case study: https://promarksvac.com/blog/custom-heat-sealing-solutions-by-promarks-for-ecolab/

📩 Contact: [email protected]

09/29/2026

Product movement. Liquid around the seal. Air pockets. Wrinkles. Leaks.

These are some of the problems that can turn a good-looking vacuum skin package into a production headache.

The solution isn't always "increase the vacuum."

Skin packaging quality depends on the entire process from product positioning and film selection to forming, vacuum evacuation and seal integrity.

Our new guide breaks down the most common vacuum skin packaging problems and practical ways to troubleshoot them.

Read the complete guide:
https://promarksvac.com/blog/vacuum-skin-packaging-quality-guide/

09/24/2026

Why use a hot water shrink tank after vacuum packaging?
Vacuum packaging removes air, but the job doesn’t always end there. Loose or wrinkled film can affect the final appearance of your package.
A hot water shrink tank helps shrink compatible vacuum shrink film tightly around the product, creating a cleaner, tighter, more professional package.

In our latest blog, we explain:
✔️ How hot water shrinking works
✔️ Why vacuum shrink film matters
✔️ Key benefits of the shrinking process
✔️ Common food packaging applications
✔️ How the Promarks ST-68 fits into the process

Read the full blog: https://promarksvac.com/blog/why-use-hot-water-shrink-tank-after-vacuum-packaging/

09/21/2026

How Does a Heat Sealer Work?

A heat sealer does more than simply close a plastic bag. Temperature, pressure, and sealing time all work together to create a consistent, secure seal.

But what actually happens during the heat sealing process? And what's the difference between an impulse heat sealer, continuous band sealer, and industrial heat sealing machine?

Our latest guide breaks down how heat sealing works, common applications, different types of sealers, common sealing problems, and how to choose the right equipment for your packaging operation.

👉 Read the complete guide:
https://promarksvac.com/blog/heat-sealing-machine-process/

09/18/2026

09/17/2026

Why does vacuum packaging leak after thermoforming?

A package can look perfectly sealed and still lose vacuum later. The problem may not be the seal itself.

From seal contamination and incorrect sealing temperature to film punctures, sharp bones, vacuum settings, and worn tooling, there are several reasons thermoformed packages can fail.

In our latest guide, we break down 9 common causes of vacuum package leaks and what you can do to fix them.

If you're a meat processor or packaging professional dealing with recurring leaks, film waste, or inconsistent seals, this guide is worth a look.

👉 Read the full guide and troubleshoot the problem before it becomes a production headache.
https://promarksvac.com/blog/vacuum-packaging-leaks-after-thermoforming/

09/16/2026

In medical environments, every package matters - it’s not just storage; it’s safety.

Even a small breach in sealing can expose instruments and supplies to contamination, putting patients and staff at risk. Maintaining hygiene and sterility isn’t optional — it’s critical.

This is where vacuum sealing makes all the difference. By providing airtight, durable protection, it ensures that surgical instruments, lab tools, and medical supplies remain sterile and ready for use, no matter how long they’re stored.

For clinics, laboratories, and healthcare facilities, using reliable packaging solutions isn’t just good practice - it’s a safeguard for health and trust. ✅

DM “SAFE” to learn how we can help you upgrade your medical packaging standards today.

For more details visit our website: https://promarksvac.com/product-category/heat-sealers/