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HIP (Hot Isostatic Pressing) is a high-temperature, high-pressure process to enhance material properties. It utilizes a specialized furnace housed within a gas pressure vessel. The process typically employs argon or nitrogen gas, pressurized up to 2000 bar and heated to temperatures up to 2000°C.

The combination of pressure and temperature densifies components to near-theoretical density. It means internal defects like porosity, voids, and microcracks are eliminated.

HIP usually operates at temperatures similar to conventional heat treatment processes. So, we can integrate both procedures into a single step, called High Pressure Heat Treatment (HPHT™). This innovative approach boosts productivity while reducing the need for additional capital equipment.

The largest Hot Isostatic Press (HIP) in the world has a hot zone of 2.05m diameter, 4.2m high, and is owned and operated by Metal Technology Company in Japan.

There is a great deal of interest in even larger machinery, and we have designs for >4m diameter systems for pressures >1,000 bar with temperature in excess of 1,250 °C.

HIP (Hot Isostatic Pressing) densifies components at high temperatures, eliminating internal defects such as pores, voids, cracks, and lack of fusion. This process enhances material properties, including fatigue strength, elongation at failure, and impact toughness, which are crucial for mission-critical applications in industries like aerospace, nuclear, and medical.

A defect-free bulk allows surface finishing techniques, such as grinding and polishing, further improving fatigue resistance, corrosion resistance, hygiene, and aesthetics.

Quintus uses a standard pressure vessel rating of 200MPa gas pressure for HIP equipment up to 1.6m diameter and 600MPa for the CIP, WIP, and HPP systems using liquids as pressure media.

However, with Quintus’ innovative wire-wound pressure vessels and over 70 years of experience in designing and manufacturing them, we can offer extensive customization to meet specific customer needs, when feasible.

HIP is used to consolidate powders, solids and combinations thereof. Materials range from ceramics to metals and composite materials. Light-weight materials, high speed steels, tool steels and super alloys all use HIP, and new generations of materials such as high entropy alloys are also developed using this process.

Flexform is a low-cost sheet metal hydroform technology, ideally suited for low volume production. Flexform use only one single rigid tool half and a flexible rubber diaphragm, backed up by high-pressure hydraulic oil. Typical Flexform production volumes range from a few parts per year and per tool, up to a few thousand parts.

Flexform is since decades well established within the aerospace industry, both for airframe, engine and space sheet metal part production. The aerospace industry request for high quality parts in relatively small volumes of each, at a high variety, make the technology a perfect fit.

The technology is also a great fit for all industries where prototyping and low volume production is required, such as automotive, busses, trucks, yellow goods, food processing equipment, white goods, building façades etc.

Beside the final part quality, the main perceived benefit is the low fabrication cost. This due to the low tool cost involved. The process also allows for several tools and parts to be produced in one and the same forming operation. 50-90% of conventional 2-piece tool cost may typically be saved by using the Flexform technology.

From thin foil up to ~10 mm sheet metal may be formed, typically however thicknesses of 1-5 mm are used, including traditional aerospace aluminum alloys, stainless and most mild steel alloys. Tough alloys such as Inconel and titanium may also be formed.

Within the aerospace industry the use of high-pressure typically reduce, or even eliminate, the need for labor hand correction and the need for intermediate heat treatments.
In all applications the high-pressure support forming of complex and intricate shapes, at excellent repeatability and part quality.

We are open for different approaches, but focusing more on the pouch cell format. Concepts featuring a lithium metal anode or in situ lithium metal anode are very interesting for us on a production level of testing. We are testing solid-state electrolyte systems featuring sulfides, oxides and composites on a daily basis in our application centers in Sweden and the US.

The production series of warm isostatic battery presses are able to deliver pressures up to 600 MPa, while reaching temperatures of 150 degree Celsius (pressure media can be water or oil).

That depends on the cells design for an in-situ (or anode-free) lithium metal anode concept Quintus proposes a densification step of whole pouch cells. This position would fit the isostatic press after stacking and pouching.

The upfront investment seems high, but is rather low compared to other machinery used in today’s battery manufacturing. Calculations with a realistic cost-model we established, put isostatic pressing in the lower cent area per KWh. The calculation model fits different parameters, the ones that show a high impact are pouch dimensions and vessel size, which can be adapted to customers preferences.

The batch characteristic is an important topic for discussion. Our simulation shows that automation of the loading, unloading and densification won’t be a challenge for the implementation of isostatic pressing in the overall process. Additionally, the speed of stacking/winding is limiting the process speed before densification.

As a science based technology, HPP is not only fully recognized by global regulatory bodies as an antimicrobial process with superior capabilities for inactivating many food pathogens of concern, but also for slowing down the growth of spoilage bacteria, thereby extending refrigerated shelf life between 2-10 times longer than unprocessed foods.  Both these benefits alone can have a significant
impact on the global challenges of food safety and food waste.

Most conventional food processing methods such as heat and/or chemicals have negative effects on health and nutrition. Consumers are demanding high nutritional values in foods, particularly those present in fresh, raw, or minimally processed varieties. HPP does not affect nutritional components in foods largely because it has no effects on covalent bonds so HPP products maintain their vitamins and bioactive compounds.

Manufacturers using HPP eliminate chemical preservatives used to control microbial growth and reduce the frequency of food safety testing, thus satisfying the demand from customers for preservative-free foods, while reducing operational costs, hence delivering higher company values. HPP has thus become the process of choice among non-thermal food processing technologies. The
assurance of inactivating foodborne pathogens, post packaging, provides food and beverage manufacturers the business-critical food safety confidence for protecting their consumers, as well as ensuring that their brands and company reputations remain untarnished.

HPP is commercially used in wide range of foods and beverages such as ready-to-eat deli meats, fruit and dairy based drinks, baby foods, dairy products, pet food, ready meals, ready-to-cook marinated meats and meals, seafood, and wide variety of plant-based products including guacamole, hummus, salsa, ready-to-eat salads, tofu and plant-based protein meat analogues.

Most food and beverages are applicable for HPP technology. However, certain intrinsic and extrinsic factors are important in determining HPP conditions and satisfying regulatory rules and guidelines.

We support the customers throughout the complete HPP development process. From recipes to packaging to designing and providing in-house validation services. Our comprehensive evaluation and support is geared for getting your product in the market quickly.

Our Quintus ® Care Program reflects our culture of true partnership, as witnessed by near three quarters of a century pioneering pressure technologies. Your immediate and long term benefits of Quintus ® Care includes controlling ongoing operational costs, guaranteed access to parts, regular technical reviews and remedial training, application support, as well as opportunities to participate in ongoing educational seminars

During HPP the pressure reaches up to 6,000 bar (87,000 psi). At this pressure, products will compress approximately 15% of their volume, meaning that HPP packaging must be waterproof, hermetically sealed, and include materials which are flexible to withstand compressions of at least 15%. For these reasons, different plastic materials have traditionally been a popular choice for HPP since many of these are flexible enough to allow containers to compress without breaking and elastic enough to retake their original shapes after the process. Additionally, several sustainable alternatives can be used with HPP such as rPET, PP, PLA and other biodegradable solutions.

Commonly used packaging and materials for HPP include bottles, cups, pouches, trays, in combination with various types of films or closures. Sealing surfaces for films need to be relatively wide, uniform and preferably flat. Sealability (heat seal strength) is an important element for packaging that is subjected to HPP. Cross-hatched patterns are not suitable as they can allow oxygen
diffusion into the packages that will contribute to oxidative deterioration of products.

Please contact us as below:

• EUROPE: techsupport@quintusteam.com
• AMERICA: support.us@quintusteam.com
• ASIA-PACIFIC: support.apac@quintusteam.com

or use our contact us form – Contact | Quintus Technologies.

We support customer in priority order. Our Quintus care full customers are priority, secondly our Quintus care base customers and after that the broader market. Each Quintus care customer has a Key Account Manager to feed the dialog through Quintus services to you as customers.

Do you want to know more about Quintus care?

With over 70 years of expertise, we are the global leader. Many of our machines operate reliably after more than 40 years. However, even the most advanced technology can occasionally face challenges.

Discussion with our support team helps to ensure any potential problems are addressed promptly and efficiently. We can help you minimize downtime and maintain optimal performance. The applied strategy for uptime is:

• Service the machine preventatively according to best practice time/cycle-based schedule
• Prepare for the unforeseen failure, with Quintus Technical Support service included in Quintus Care, so that it does not cause major disruptions in the production.

Studies shows that maintenance cost for a normal machine within the Industrial sector is around 6-7%/year of the investment and our full fledge Quintus Care is normally well below that. The full fledge SLA allows you to control all the cost for the material. Whereas the base agreement leaves the material portion open for sourcing to Quintus on need basis, or towards other suppliers.

Over the years we have developed our service level agreements; Quintus care in two main offers.

The base offer gives you support priority, remote tech support, application support (some countries this cannot be offered to), annual f2f trainings and annual maintenance, safety and reliability inspection.

Quintus care full additionally to the base also includes all spare parts for preventative maintenance, as well as covering spare parts if something unexpected happens (with some exceptions).

Being proactive about maintenance with a Quintus care contract keeps your costs planned and secures the best possible uptime for your system.