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Melamine foam used for aircraft and aerospace construction

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Melamine foam used for aircraft and aerospace construction sound absorbing

Aircraft construction

RYL® Melamine Foam Tech was specially developed for insulating cabins and the ductwork in aircraft. It weighs just six grams per liter, which makes RYL® Melamine Foam Tech 30 percent lighter than conventional RYL® Melamine Foam Tech. This means it is possible to fulfill the rising demands on noise, safety and increasingly lower weight in aircraft construction; at the same time, RYL® Melamine Foam Tech UL meets the stringent fire safety standards set by the aviation authorities.

Aerospace

The advantages of the low density and sound absorption capacity of RYL® Melamine Foam Tech also permit its use in more and more system applications in the aerospace industry.

RYL® Melamine Foam Tech is used for cladding the payload section in the nose cone. This protects the sensitive satellites from the high acoustic pressure exerted on the rocket during the lift-off. Key properties for the use of RYL® Melamine Foam Tech in space rockets are its good sound absorption capacity, high flexibility, low density, and easy processability.

 

The outstanding acoustic properties of the special foam were a crucial factor in its selection. While conventional systems were used in the past to insulate against the clatter of the five rotor blades, only melamine foam has been successful at significantly reducing noise. “The noise level inside the helicopter dropped from 85 to 80 decibels, making the use of hearing protection unnecessary,” explains Sergey Milek, Chief Operations Officer at StandartPlast. The sound insulation system has been tested and certified in accordance with the Russian GOST norm 20296-81, which requires a noise level test to be performed in the passenger compartment at a frequency of one kilohertz.

Reduced weight also played a role in the selection process. StandartPlast uses the lightest version of melamine foam. Weighing only six grams per liter, melamine foam reduces the weight of the helicopter’s sound insulation system by 80 percent. This amounts to 240 kilograms, which allows for an increase in passenger capacity or flight range. Its excellent fire protection properties were also convincing – that is a basic requirement for the use of such materials in aviation.

Report as follow:

 

for example:

Internal insulation of the Boeing 787

 

 

 

 

 

 

 

 

 

 

Payload cladding of the Ariane 5 launcher rocket.

Photo: ESA /CNES/Arianespace 2006

Cushions for airplane seats, Celso, F

8月-01-2018

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