General Plastics to Spotlight Latest High-Temperature Tooling and Thermoformable Foam Boards at AeroDef Manufacturing

19 March 2013

General Plastics are participating in the 2013 AeroDef Manufacturing conference and exposition this week in Long Beach, California, US featuring its LAST-A-FOAM high-temperature tooling boards and flame-retardant aerospace-grade foam boards at Booth 142.

“This show is a great forum to introduce defence and aerospace manufacturing engineers to our advanced LAST-A-FOAM FR-4700 HT Tooling Board Series, which supports high-temperature curing prepregs used in composite tooling,” said General Plastics President, Bruce Lind. “This tooling board is ideal for models, master plugs and moulds, as well as for limited tooling runs where metal dies are cost-prohibitive.”

General Plastics says its composite core materials have been used for years in the aerospace industry in place of aluminium. With today’s engineers focused on innovative materials, efficient processes and cost-saving solutions, General Plastics offers alternatives to other costly or limiting materials for many manufacturing applications.

“We’re experiencing increasing demand for our low-weight, high-strength polyurethane foams to replace traditional core materials, such as thermoplastic foam, honeycomb and wood,” Lind explained.

General Plastics describes its flame-retardant, rigid closed-cell foams which will be on display at AeroDef Manufacturing:

  • LAST-A-FOAM FR-4700 HT Tooling Board Series – This high-performance tooling board readily handles prepreg composite layup tooling for high-temperature applications up to 400º F. It is an easily machined, affordable choice for prototype machining, vacuum forming, pattern making and short tooling runs.
  • LAST-A-FOAM FR-6700 Aerospace-Grade Series – This flame-retardant rigid foam for aircraft composite core withstands process temperatures up to 250ºF. It is an excellent choice for models and design prototypes, vacuum-form dies and mould patterns, and honeycomb edge closeout for aircraft interior sandwich panels.
  • LAST-A-FOAM FR-3700 Precision-Core Series – Tougher and less friable than the FR-6700, this flame-retardant, aerospace-grade (BMS 8-133-qualified) foam enables cutting of crisper edges. This quality makes it well-suited to machining complex shapes for composite cores.
  • LAST-A-FOAM FR-4300 Thermoformable Board Series – This flame-retardant foam series is ideal for composite panel cores and other structures where compound-curved surfaces or other details can be made with low-cost heat-forming methods.

AeroDef attendees will also have the opportunity to examine and order two new composite core sample kits to get a true feel for General Plastics’ versatile foam materials. Sample kits are now available for the LAST-AFOAM FR-6700 Aerospace-Grade Series and LAST-A-FOAM FR-4300 Thermoformable Board Series.

“After serving aerospace and defence manufacturers for 70-plus years, we clearly understand their exacting standards and expectations of novel solutions to propel them ahead in a competitive global economy,” Lind said. “General Plastics customers also know they can depend on us for fast turnaround and scalability to meet the demands of OEM production.”

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