3M Introduces New Adjustable Composite Positioning System

3M have introduced a new positioning spray designed for pre-infusion resin bond dry reinforcements and composite matrices.

The unique properties of the 3M Adjustable Composite Positioning System (ACPS) 11095 enable it to integrate into the part during resin infusion, eliminating read-through and transition layers in the part post-cure. This system offers manufacturers benefits in productivity, esthetics and flexibility.

The ACPS 11095 product is formulated to be compatible with most resin systems, including polyester, vinyl ester and epoxy resins. It goes down on both flat and curved mould designs, and after spraying, the product builds tack within seconds and is tack-free in two to three minutes. Designed with ease-of-use in mind, the product features a unique colour change system that gives it a blue colour when first sprayed, then fades to clear as it cures. With this feature, users can easily see the amount of coverage they’ve achieved, and also have a visual indication of the curing cycle. The ACPS is not affected by ambient temperature and/or humidity, allowing it to be used in a variety of manufacturing conditions.

Additional features of this product allow substrates to be easily repositioned without leaving fibres behind, simply by peeling back an individual layer and reapplying. If the coating dries before laying up of materials, an additional coating can be applied at a lower rate, which reactivates the previously applied coating.

ACPS 11095 has the ability to hold most types of reinforcement and to maintain the position of reinforcement for days without sagging. With typical usage, users will see little to no change in laminate shear properties. Available in aerosol cans as well as five-gallon and 55-gallon containers compatible with most traditional spray equipment, the product is also easy to clean up with most solvents. The ACPS 11095 is approved by Lloyd’s Register and DNV.

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