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NEW ARALDITE® METHACRYLATE ADHESIVES OPTIMISE PROCESSING FLEXIBILITY
31 January 2004 - Huntsman Araldite
| A new line of surface-activated methacrylate adhesives, designed to increase customer bonding options, has been introduced by Huntsman Advanced Materials. |
The Adhesives allow fast cure and durable joining of metals, thermoplastics and composites. The highstrength adhesives are suitable for use in the loudspeaker, electrical/electronics, transportation, marine, construction, furniture and general fabricating industries. Known as Agomet® methacrylates, the eight adhesives and four hardeners are part of the broad Huntsman Advanced Materials range of Araldite® structural adhesives. The new products exhibit the unique ability to bond substrates via surface pre-activation or by beadon bead application. Surface pre-activation allows users to apply hardener/lacquer to a substrate up to 30 days before the adhesive is added to bond an assembly. The adhesives can also be hand mixed or can be dispensed by meter-mix machines. Easy-to-apply Agomet methacrylates are ideal for bonding small and large areas; with work lives ranging from one to twenty minutes. Handling time varies from two to thirty five minutes, and the adhesives have gap filling properties from 0.4 mm to 5 mm depending on the application method used. Cured Agomet methacrylates exhibit lap shear strengths as high as 35N/mm². Product Overview The new series of Huntsman Advanced Materials methacrylates includes: • F 300 – A three-minute handling time, fast curing material of medium viscosity for “no-mix”, and meter/mix application • F 305 – A fast-curing adhesive comparable to F 300 but having low viscosity, ideally suited to rapid production line bonding, e.g. for assembly of ferrite cores. • F 307 – A high viscosity (350 Pas), gap filling, low shrinkage adhesive. Offers three-to-four minute work life and a short handling time • F 310 – A high lap shear strength, medium-viscosity system that attains handling strength in less than twenty minutes. F310 has gap filling capabilities up to 3mm depending on the application method. • F 330 – A high lap shear strength, gap filling, adhesive system with very good temperature resistance. • F 347 – Bonds well to a wide range of metal and plastic materials. Good results can be achieved without extensive surface preparation. The product is available in cartridges with static mixer, or can be applied as a “no-mix” system.
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