Arlon’s 85HP Receives Official IPC Validation to IPC-4101E-WAM1/43

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Arlon Electronic Materials is pleased to announce that IPC Validation Services officially recognizes Arlon’s 85HP laminate as having passed all tests that meets or exceeds the product performance requirements of IPC-4101E-WAM1/43. By achieving validation to slash sheet 43, Arlon’s 85HP is distinguished as the most thermally stable, pure polyimide resin system on the market. Specifically, 85HP meets the test criteria for less than 1% coefficient of thermal expansion in the Z axis between 50o to 260o C. In “Time to Delamination” tests at 300o C, 85HP withstood thermal exposure for longer than 60 minutes, far exceeding the slash 43 requirement of 5 minutes.  Furthermore, 85HP moisture absorption of 0.19% is well below the slash 43 criteria of 0.5% maximum. CTE (x-y plane) of the 85HP is 17 ppm matching the CTE of copper. In addition to these slash 43 requirements, 85HP has a thermal conductivity of 0.50 W/mK, which is two times (2X) greater than other pure polyimide CCL materials. 

These unique attributes are why 85HP is the first polyimide product to be validated to three IPC-4101 slash sheets 40, 41 and 43.

Test results for 85HP’s Validation can be found on the IPC Validation Services website

Applications for Arlon’s 85HP include high layer count MLB’s incorporating multiple sequential lamination operations, thick copper MLB’s, high power copper internal planes, deep space electronics, down-hole oil and gas drill equipment, engine control modules, rocket motor controls, and avionic electronics.

For additional information, please visit our website at

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Arlon President Discusses Acquisition by EMC



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