Microlen PE35XL is an oversized, low-to-medium-density option in the Microlen range, with a nominal density of 32-42kg/m3.
Microlen PE35XL is an expensive, high-recovery, closed-cell, crosslinked polyolefin foam cut into massive blocks. These properties make it a yield-maximising option where large-format stamping and reliable thermal insulation are required. As such, it is preferred over standard-sized “X” grades because its broader sheet footprint dramatically lowers material scrap rates when manufacturing long or wide continuous components. Manufacturers and distributors typically use Microlen PE35XL to build automotive interior padding, lightweight acoustic insulation wall panels, and oversized protective shipping case linings.
At Polyformes, we are an official foam converter and supply sheets, buns, or material in the precise dimensions you require. Our in-house conversion equipment enables us to supply custom end caps, inserts, and other types of foam packaging.
Please note that this technical information on Microlen PE35XL 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 PE35XL foam material is as follows:
| Property | Test Standard | Typical Value |
|---|---|---|
| Apparent Density Skin/Skin | BS EN ISO 7214:2012 | 37 kg/m³ (+/-5) |
| Cell size (diameter) | Internal | 0.23 mm |
| Compression stress-strain (25%) | BS EN ISO 7214:2012 | 66 kPa |
| Compression stress-strain (50%) | BS EN ISO 7214:2012 | 119 kPa |
| Tensile strength | BS EN ISO 7214:2012 | 218 kPa |
| Tensile elongation | BS EN ISO 7214:2012 | 149 % |
| Compression set (25% comp., 22hr, 23°C) | BS EN ISO 7214:2012 (25mm cell-cell) | 10 (½ hr recovery) |
| Compression set (25% comp., 22hr, 23°C) | BS EN ISO 7214:2012 (25mm cell-cell) | 4 (24 hr recovery) |
| Shore hardness (OO scale) | BS EN ISO 868:2003 | 58 |
| Max operating temp* | Internal | 100 °C |
| Water absorption | ISO 2896:2001 Ed3. | Less than 1% |
| Thermal Conductivity (at 10°C) | ISO 2581 | 0.037 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 PE35XL 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
[email protected] | 01525 852 444
Customer Service
Ian Rumsey
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