Frozen Epoxy Pre-forms

We stock and deliver a variety of high-performance frozen epoxies from Ablestik, Emerson & Cuming, and Henkel.

The most popular frozen epoxy we work with, Ablestik’ Ablefilm® 5025E™, is a silver-filled, unsupported epoxy adhesive film, designed to provide very thin, uniform bond lines. This product’s performance is ideal for microwave and heat sink applications. In bonding microwave substrates into packages, it provides RF/EMI shielding. Its high thermal conductivity is desirable for bonding “hot” devices onto heat sinks in applications where electrical insulation is not required. The 5025E series has excellent electrical and thermal conductivity, is electrically conductive in x, y, z axes, and exhibits very low squeeze-out during bonding. The typical cure schedule is only 30 minutes at 150°C.

We're located just north of Boston, Massachusetts in Westford, MA, and proudly service the entire US with many laser machining and secondary processing services. All of our materials are stocked in-house for optimal convenience.

MaterialThicknesses Available CuringShelf Life - Typical SL @ 50% from NotedThermal Conductivity
Compare
ECF561E Henkel/Ablestik
.004heat cured 1 hour @150°C1 Year maintained at -40°C 121°C, W/(m-K) = 1.6
550K Henkel/Ablestik
.006heat cured 1/2 hour @150°C1 Year maintained at -40°C121°C, W/mk = .8
5025E Henkel/Ablestik
.002heat cured 1/2 hour @150°C6 month maintained at 5°C121°C, W/mk = 6.5
CF3350 Henkel/Emerson Cuming
.002heat cured 1/2 hour @150°C9 months maintained at 5°CW/(m-K) = 7
5020K Henkel/Ablestik
.004heat cured 1 hour @150°C1 Year maintained at -40°C 121°C, W/(m-K) = 0.7

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