Crestomer 1153PA英国斯高特巴德

The company&＃39;s patented modular pod system, initially created to meet the complex requirements of offshore wind support work, is an example of CTruk’s design approach to problem solving; the ‘moveable’ FRP deck pods enable an operator to change the vessel’s functionality in just a few hours. Vacuum resin infusion processing technology to minimise laminate weight and increase productivity, along with advanced composite materials are used by CTruk in preference to fabricating with aluminium. To meet stringent offshore vessel standards, only materials and processes that have been fully approved by Det Norske Veritas AS (DNV) and Bureau Veritas (BV) are used in production. This includes Scott Bader’s Crystic Crestomer 1152PA urethane acrylate structural adhesive, which is specified by CTruk for all FRP bonding.

FRP bonding advantages

To further reduce weight, increase productivity and cut labour costs, the company uses a structural adhesive where possible for FRP-FRP joint bonding in its designs. Scott Bader’s Crystic Crestomer 1152PA is specified in all CTruk composite marine craft for structurally bonding in; hull stringers and bulkheads, transom sections, engine beds, deck sections and for hull to deck joints.

Published Scott Bader technical data for cured Crestomer 1152PA gives typical physical property values of *** elongation at break and a maximum tensile strength of 26 MPa; the limiting factor is the fibreglass substrate failure, not the Crestomer adhesive joint strength. Crestomer 1152PA is MEKP cured, supplied to CTruk pre-accelerated in 25 kg pails, which is applied by hand. It offers a good level of application flexibility on the shop floor during the bonding assembly stage, as the Crestomer 1152PA grade has an open working time of up to 50 minutes (at 2% w/v catalyst, 25°C) and is suitable for gap-filling joints up to 25mm.

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