Comparison Chart

Stratamet Parylene HTX is the superior option for Parylene coating on the market today. Unlike competitors Parylenes, which are slow to bond and end up soft, Parylene HTX is a stronger, faster, and less expensive alter-native. With Stratamet, you receive a product that is done in hours, compared to days.

Parylene HTX possesses superior mechanical and dielectric strength when compared with competitors Parylene coatings. Combine this with a higher maximum continuous service temperature and no detectable water absorption, Parylene HTX truly stands alone at the top when it comes to high quality, affordable Parylenes.

Here is a comparison of Parylene HTX to those of the competitors:

Property Acrylic Polyurethane Epoxy Silicone Parylene N Parylene C Parylene F Parylene HTX
Mechanical Strength (Kpsi) 2-10 1-350 350 900 350 400 370 800-2000
Dielectric Strength (V/mil) 3500 3500 2200 2000 7000 5600 5400 19000
Max Continuous Service Temprature (C) 80-85 120 180 260-300 60 80 350 350
Coefficient of Thermal Expansion (ppm at 25 C) 55-205 100-200 45-65 250-300 69 35 36 <20
Water Absorption (% after 24 hours) 0.3 0.6-0.8 0.05-0.10 0.1 0.1 <0.1 <0.1 Not Detected
Device failure time (normalized to Acrylic)
(Estimated from water vapor transmission rate)
1 4.1-14.9 14.8 0.3-8.2 23.6 173.8 63.8 252.7
*Derived from customer data


Parylene HTX is a superior product, from a superior company. Don’t settle for anything less than the best! If you would like to learn how you can utilize Parylene HTX for your products, please contact us today!