Resin flameproofs aircraft interiors
A
Sabic Innovative Plastics product story
Edited by the Engineeringtalk editorial team
Apr 27, 2007
Ultem 9085 resin for aircraft interiors reduces weight by allowing thinner components, and protecting against fire.
To help the aerospace industry boost fuel efficiency, performance, and safety, GE Plastics has released flame-retardant Ultem 9085 resin for aircraft interiors.
This new material offers better flow and ductility than GE's Ultem 9075 resin, to enable thinner-wall parts with excellent impact strength.
Ultem 9085 resin can reduce part weight by 5 to 15% by allowing thinner walls, supporting the goal of lower fuel consumption.
At the same time, Ultem 9085 resin delivers the highest modulus of any Ultem resin grade, providing enhanced stiffness to ensure excellent application durability.
Applications include decompression grilles, window reveals, and personal service units.
According to Joseph Jahn, President and CEO of Vaupell, a Seattle, Washington-based moulder and aircraft supplier, "Vaupell has worked closely with GE Plastics for several decades supporting the development of resins for the aerospace industry".
"GE's new Ultem 9085 resin material demonstrates distinct improvements in processability and physical properties performance compared to the company's Ultem 9075 resin".
Like all Ultem resin grades, the new material is inherently flame-retardant, offering full flame/smoke/toxicity (FST) compliance, including OSU heat release of less than 55/55.
Ultem 9085 resin provides up to 25% improvement in ductility and a threefold improvement in flow compared to Ultem 9075 resin, enabling a reduction in both part weight and the amount of resin required.
It also delivers good chemical resistance.
The new material is lighter in colour than its predecessor, making it easier to achieve specific aesthetic effects.
According to the International Air Transport Association, for every kilogram of weight that is removed from a single-aisle plane, approximately US $372 a year is saved in fuel costs.
The average life expectancy for this type of aircraft is approximately 20 years.
In 2005, 10,580 single-aisle airplanes were required worldwide and this number is expected to reach 21,470 by 2025.
Likewise, the combined number of regional jets, and single-aisle, twin-aisle, and large aeroplanes is expected to double by the year 20252.
"The aerospace industry is constantly looking for new ways to reduce part weight for better fuel efficiency, and using thinner-wall parts are a great approach", said Ann Delvin, Product Manager, High-Performance Products (HPP) at GE Plastics.
"We improved upon our workhorse grade, Ultem 9075 resin, with a new material that allows suppliers to create large, thin-wall parts with excellent impact resistance and stiffness".
"Ultem 9085 resin can play an important role in decreasing weight while delivering high-performance in a wide range of applications".
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