Name: 250°C Heated Die with Digital Controller
SKU: SDSXX.H
Availability: InStock

<h2>What are heated laboratory presses?</h2>
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Heated laboratory presses are press instruments in which one or both press platens are heated to a set temperature, allowing materials to be compressed under conditions of simultaneous heat and pressure. Common applications include compression molding of thermoplastic polymers into flat films for spectroscopy, mechanical testing, or barrier property measurement; laminate bonding of polymer layers, films, or membranes under heat; curing of thermoset composite materials; and testing adhesive performance at elevated temperature and defined pressure. The temperature-controlled platens replace the standard cold platens of an ambient press and typically operate from room temperature up to 250&ndash;300&deg;C, with a cooling water circuit option for faster cycle times.
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<h2 data-start="422" data-end="447">What you will find:</h2>
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<ul>
<li>40-Ton Laboratory Pellet Press with Built-in Hydraulic Pump &ndash; High-force press for laboratory pellet preparation</li>
<li>24-Ton Pellet Press with Hydraulic Pump &amp; Safety Shield &ndash; Compact press with added operational safety</li>
<li>250&deg;C Heated Die with Digital Controller &ndash; Controlled heating solution for precision applications</li>
<li>Heat Press with Dual Heating Platens &ndash; Uniform heating and pressing for laboratory workflows</li>
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<h2>How to choose a heated press</h2>
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Confirm the maximum platen temperature covers your material's processing temperature
Most common thermoplastics &mdash; polyethylene, polypropylene, PVDF, Nylon, and PEEK &mdash; have processing temperatures between 150&deg;C and 350&deg;C, and the heated press must comfortably exceed the material's processing temperature for adequate softening during molding. A press rated to 250&deg;C is sufficient for most polyolefins and engineering plastics; high-performance polymers like PEEK require higher-temperature platens rated to at least 350&deg;C.
Match platen size to the dimensions of the films or laminates you need to produce
Heated press platens range from small (50 &times; 50 mm or 100 &times; 100 mm) for small sample coupons to larger (200 &times; 200 mm or larger) for bigger films or panels. The sample area must fit within the platen size for even heating and pressure distribution, since areas extending beyond the heated platen zone receive less heat and different pressure.
Evaluate press force capacity against the required molding pressure
Polymer film casting and laminate bonding require lower forces than analytical pellet pressing, but composite processing and some thermoplastic molding benefit from higher forces. Match press force to the specific application rather than selecting arbitrarily high capacity.
Consider cooling circuit options for faster cycle times in production-volume work
Heated presses used for repeated cycling of polymer samples benefit from an integrated cooling water circuit that rapidly cools the platens after pressing, allowing the sample to be quenched to below the polymer's crystallization temperature before removal and reducing the total cycle time per sample.
Confirm temperature uniformity and control accuracy
Temperature uniformity across the platen surface is critical for films and laminates with consistent thickness, since cooler platen edge regions produce uneven material. Good heated presses specify uniformity within &plusmn;2&ndash;5&deg;C across the platen at operating temperature.
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<h2>Specifications context</h2>
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Polymer film preparation for FTIR characterization, tensile testing, or barrier property measurement requires films of uniform thickness across the entire sample area, and temperature non-uniformity in the heated press platens is one of the primary causes of film thickness variation. Carver-style laboratory heated presses with electrically heated platens and embedded thermocouples for feedback control represent the standard heated press design in polymer science laboratories. As of 2026, heated presses with integrated cooling circuits and PID temperature controllers for precise thermal cycling remain the standard for polymer science and composite material research.
Need help selecting the right system? <a href="https://mbpinc.net/contact-us">Reach out to the MBP team</a> for expert support and a custom quote.

Heated Presses

250°C Heated Die with Digital Controller Specifications

250°C Heated Die with Digital Controller

SDSXX.H series hardened steel heated die sets with programmable digital controller, rated to 250°C. For hot uniaxial pressing of ceramics, oxide powders, and thermoplastic pellets. Available in 13 mm (SDS13.H), 25 mm (SDS25.H), 50 mm (SDS50.H), and 76 mm (SDS76.H) bore diameters.

250°C Heated Die with Digital Controller

SKU : SDSXX.H