Henkel has announced the development and commercial availability of LOCTITE® HHD 3544F, a bio-based polyurethane reactive (PUR) hot melt designed for consumer electronics assembly.
This adhesive is the company’s inaugural consumer electronics specific, bio-based PUR hot melt adhesive; approximately two-thirds of its content is 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 conventional fossil fuel-based raw materials with renewable substitutes is a challenging endeavour. 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.”
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.
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