Henkel launches LOCTITE® HHD 3544F, a bio-based polyurethane reactive (PUR) hot melt designed for consumer electronics assembly. Approximately two-thirds (60%) of the adhesive’s content are sourced from renewable, plant-based feedstocks.
“LOCTITE® HHD 3544F is an important advancement for the electronics industry,” explains David Peard, Henkel market segment manager and sustainability ambassador for consumer electronics.
Replacing Fossil Fuel-based Raw Materials
“Replacing conventional fossil fuel-based raw materials with renewable substitutes is a challenging endeavor. Nearly two years in development, LOCTITE® HHD 3544F is a notable structural adhesive innovation and the first product in an expanding Henkel portfolio of bio and renewable material solutions for the consumer electronics sector,” added Peard.
A one-part, moisture-cure material, LOCTITE® HHD 3544F delivers a sustainable consumer electronics assembly alternative that provides many of the advantages associated with the market-leading family of Henkel PUR hot melts. The bio-based formulation is compatible with a variety of substrates including plastics, metals and glass; aligns with high-volume production objectives, enabling deposition of narrow bond lines via jetting or needle dispensing; and integrates fluorescence for in-line automatic optical inspection (AOI). LOCTITE® HHD 3544F can be used for a wide range of consumer electronics structural bonding applications in mobile phones, laptops, tablets, wearables, and accessories.
Peard heralds the commercialization of LOCTITE® HHD 3544F as a significant milestone in the company’s consumer electronics strategy and notes its important role in helping customers achieve their own sustainability targets. “Reducing our environmental impact and dependence on virgin fossil-based raw materials have been and will continue to be priorities for Henkel,” he said in summary. “Industry-first LOCTITE® HHD 3544F delivers solid performance built on a foundation of renewable resources – a win-win!”
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