Polymer Heat Exchangers for Demanding Industrial Processes
When Metal Heat Exchangers Reach Their Limits
Corrosive chemicals, high-purity media and demanding process conditions can make conventional metallic heat exchangers difficult to use.
Calorplast develops polymer heat exchanger solutions for applications where corrosion resistance, chemical resistance and media purity are critical. Seika Sangyo GmbH supports customers in Europe with product selection, technical coordination and commercial handling.
START WITH THE PROCESS PROBLEM
Is Your Current Heat Exchanger the Right Fit for the Process?
Heat exchanger selection should not start with the product name. It should start with the process conditions. Polymer heat exchangers may be worth considering when corrosion, chemical compatibility or media purity become critical.
Corrosion Problems
Is corrosion shortening the lifetime of your existing heat exchanger or increasing inspection and maintenance requirements?
Aggressive Chemicals
Are you heating or cooling chemically aggressive liquids that require careful material selection?
High-Purity Media
Does your process require metal-free heat transfer surfaces or strict control of potential contamination?
Non-Standard Installation
Do you need a heat exchanger adapted to specific dimensions, flow conditions or installation restrictions?
MATERIAL SELECTION
Polymer or Metal? The Answer Depends on the Process.
Metallic heat exchangers remain well suited to many industrial processes. Polymer heat exchangers become particularly interesting where corrosion, chemical resistance or media purity are decisive selection criteria.
| Selection Factor | Conventional Metallic Heat Exchanger | CALORPLAST Polymer Heat Exchanger |
|---|---|---|
| Corrosive media | Requires careful alloy and material selection depending on the medium. | Designed specifically for applications where high corrosion resistance is required. |
| Chemical resistance | Compatibility depends strongly on the selected metallic material. | PE-RT, PP and PVDF options are available depending on product type and process conditions. |
| Metal-free heat transfer surface | Generally not the primary design concept. | Suitable for applications where metal-free heat transfer surfaces are important. |
| High-purity processes | Possible depending on material and process requirements. | PVDF solutions are specifically positioned for high-purity and chemically demanding processes. |
| Very high temperature / pressure | Metallic technologies may be more suitable depending on the operating conditions. | Operating limits depend on polymer material, design and temperature. |
| Customized geometry | Available depending on supplier and technology. | Calorplast designs heat exchangers according to the individual process and installation conditions. |
Important: This comparison is intended as a general selection guide. Final material and heat exchanger selection must always be based on the actual medium, concentration, temperature, pressure, flow rate and operating conditions.
WHY CALORPLAST?
More Than Simply Replacing Metal with Plastic
The value of a polymer heat exchanger does not come from the material alone. The design must match the process conditions, chemical environment and installation.
Corrosion-Resistant Design
Calorplast focuses on applications where corrosion and chemical compatibility are important factors in heat exchanger selection.
High-Purity Capability
PVDF heat exchanger solutions can be used for chemically demanding and high-purity processes where metal-free heat transfer surfaces are important.
Application-Specific Engineering
Heat exchangers are designed according to operating parameters rather than selected only from a standard catalogue.
Multiple Polymer Materials
Depending on the product and operating conditions, Calorplast uses materials including PE-RT, PP and PVDF.
Why and when does Seika Sangy GmbH recommend CALORPLAST heat exchangers?
From a trading company perspective, the key point is not whether a polymer heat exchanger is universally better than a metallic one. The key question is whether the material and design solve the customer's specific process problem.
SSG supports the commercial and technical coordination between the customer and Calorplast so that operating conditions can be reviewed before a solution is proposed.
PRODUCT RANGE
Three Heat Exchanger Concepts for Different Process Requirements
Calorplast offers different polymer heat exchanger designs depending on whether heat transfer takes place directly inside a vessel or in an external closed-loop system.
Immersion Type Heat Exchanger
Designed for heating, cooling, condensing or evaporation of corrosive media directly in tanks and vessels.
- Materials: PE-RT, PP, PVDF
- Operating temperature: -30 to +130 °C*
- Operating pressure: 3 to 16 bar*
- Heat transfer area: 1 to >500 m²
Tube Plate Heat Exchanger
External liquid-to-liquid heat exchanger for clean or lightly contaminated free-flowing liquids.
- Compact, fully welded construction
- Thin-walled polymer tubes
- Heating, cooling and condensation
- Materials: PE-RT, PVDF
- Heat transfer area: 1 to 20 m² per unit
Shell & Tube Heat Exchanger
Customized external heat exchanger concept for heating, cooling, condensation and evaporation of suitable process media.
- Customized design
- Materials: PE-RT, PVDF
- Operating temperature: -30 to +130 °C*
- Heat transfer area: 1 to 20 m²
* Permissible operating temperature, pressure and material selection depend on the specific design, selected polymer and operating conditions.
APPLICATIONS
Where Polymer Heat Exchangers Can Make a Difference
Semiconductor & High-Purity Processes
PVDF heat exchangers can be considered where chemical resistance, media purity and metal-free heat transfer surfaces are important.
High Purity PVDFChemical Industry
Heating, cooling and heat recovery in applications involving aggressive and corrosive liquids or gases.
Corrosive Media Chemical ResistanceBattery & Energy Storage
Corrosion-resistant heat exchanger solutions can be used in selected battery and energy storage applications, including vanadium redox flow systems.
Energy Storage VRFBSurface Treatment & Process Tanks
Immersion heat exchangers can heat or cool corrosive or contaminated liquids directly inside open tanks and process vessels.
Immersion Process TankFROM REQUIREMENT TO PROPOSAL
How SSG Supports Heat Exchanger Selection
A useful inquiry contains more than the required heat transfer capacity. Material compatibility and actual process conditions are essential before a suitable configuration can be proposed.
Share Your Process Conditions
Tell us what medium is being heated or cooled and describe the current process challenge.
Technical Review
SSG coordinates the relevant process information with Calorplast for technical evaluation.
Solution Proposal
Based on the operating conditions, an appropriate material, exchanger concept and customized design can be considered.
Information that helps us evaluate your application
FREQUENTLY ASKED QUESTIONS
Questions About Polymer Heat Exchangers
What is a polymer heat exchanger?
A polymer heat exchanger uses polymer materials for the relevant heat transfer surfaces instead of conventional metallic materials. Calorplast uses materials such as PE-RT, PP and PVDF.
When should I consider a polymer heat exchanger?
Polymer heat exchangers are particularly worth evaluating when corrosion resistance, chemical compatibility, high media purity or metal-free heat transfer surfaces are important process requirements.
Which materials does CALORPLAST use?
Depending on the exchanger design and operating conditions, Calorplast uses PE-RT, PP and PVDF. Not every material is available for every heat exchanger design.
Can CALORPLAST heat exchangers handle aggressive chemicals?
They are designed for applications involving chemically demanding and corrosive media. Final suitability must always be verified against the exact chemical, concentration, temperature and operating conditions.
Are polymer heat exchangers suitable for semiconductor processes?
Calorplast specifically identifies semiconductor and high-purity processes as application areas, with PVDF used where chemical resistance and media purity are important.
Are CALORPLAST heat exchangers used in battery applications?
Calorplast identifies selected battery and energy storage applications, particularly vanadium redox flow battery systems, as potential applications.
What information is required to select a heat exchanger?
Important parameters include the medium, concentration, temperatures, operating pressure, flow rate, required heat transfer capacity, available space and installation conditions.
Can Seika Sangyo GmbH support customers outside Germany?
Seika Sangyo GmbH supports industrial customers in Europe and coordinates commercial and technical discussions with Calorplast depending on the project.
TECHNICAL DOCUMENTATION
Download CALORPLAST Brochures
For further technical information, please refer to the official Calorplast product brochures.
Immersion Type Polymer Heat Exchanger
Official Calorplast brochure covering applications, materials, operating conditions and technical data for immersion type polymer heat exchangers.
Download Brochure (PDF)Liquid / Liquid Polymer Heat Exchanger
Official Calorplast brochure covering Tube Plate and Shell and Tube Heat Exchangers, applications and technical data.
Download Brochure (PDF)TALK TO SEIKA SANGYO GMBH
Have a Corrosion, Chemical Compatibility or Heat Transfer Challenge?
You do not need to know which Calorplast model is suitable before contacting us.
Send us your operating conditions and describe the process challenge. SSG will coordinate the commercial and technical discussion with Calorplast.