Microlen PE15XX is a specialised deep-format mid-density option in the Microlen range, with a density of 55-65kg/m3.
Microlen PE15XX is an environmentally stable, waterproof, closed-cell crosslinked polyolefin foam featuring an extra-thick block format. These properties make it a highly efficient fabrication option for deep 3D routing and chemical resistance. As such, it is preferred over standard-sized materials because it allows operators to CNC-mill deep pockets into a single block without laminating multiple layers. Manufacturers and distributors typically use Microlen PE15XX to design deep-draw thermoformed components, rugged protective linings for flight cases, and custom orthopedic padding.
If you are unsure whether this specialized block thickness suits your design profile, the Polyformes team is here to help. We provide objective, expert guidance on material selection and leverage our full suite of conversion machinery to deliver custom packaging, foam blocks, or precise sheet profiles directly to your facility.
Please note that this technical information on Microlen PE15XX does not constitute a guarantee of performance, and is provided for guidance only. Please contact our foam experts for further advice if required.
The internal methods IE-03, IE-04, IE-05, IE-06 and IE-07 are based by standards ISO 1923, ISO 845, ISO 844, ISO 1926 and ISO 1856-B, respectively.
A summary of key information for Microlen PE15XX foam material is as follows:
| Property | Test Standard | Typical Value |
|---|---|---|
| Apparent Density Skin/Skin | BS EN ISO 7214:2012 | 60 kg/m³ (+/- 5) |
| Cell size (diameter) | Internal | 0.19 mm |
| Compression stress-strain (25%) | BS EN ISO 7214:2012 | 139 kPa |
| Compression stress-strain (50%) | BS EN ISO 7214:2012 | 202 kPa |
| Tensile strength | BS EN ISO 7214:2012 | 564 kPa |
| Tensile elongation | BS EN ISO 7214:2012 | 200 % |
| Compression set (25% comp., 22hr, 23°C) | BS EN ISO 7214:2012 (25mm cell-cell) | 7 (½ hr recovery) |
| Compression set (25% comp., 22hr, 23°C) | BS EN ISO 7214:2012 (25mm cell-cell) | 2 (24 hr recovery) |
| Shore hardness (OO scale) | BS EN ISO 868:2003 | >68 |
| Max operating temp* | Internal | 100 °C |
| Water absorption | ISO 2896:2001 Ed3. | Less than 1% |
| Thermal Conductivity (at 10°C) | ISO 2581 | 0.041 W/mK |
*Please see datasheet for full details.
Download the datasheet (PDF format) for full technical details.
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Polyformes can split/skive, laminate and butt-weld Microlen material to the specific dimensions you require. You can also select skin or cell finishes. MOQs may apply to certain size/material options.
Please get in touch with a member of our team to discuss your requirements.
Microlen PE15XX foam sheets are suitable for conversion using the following processes:
Although similar to Plastazote® in structure, the different manufacturing process for Microlen (chemical vs physical cross-linking) makes it more suited to the below applications. Please note, however, that this list is not exhaustive – if you cannot see your intended application, please get in touch to discuss your options with our foam experts.
By sourcing your foam material from Polyformes, you can expect several benefits.
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Our experts
The information on this page was written and checked by our team of packaging experts:
Technical Sales
Emma Atterbury
[email protected] | 01525 852 444
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Amy Donnelly
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Ian Rumsey
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