News_Melamine foam acoustic and fire-retardant material

Melamine foam acoustic and fire-retardant material

Melamine foam has a fully open hole 3D-grid structure inside.In the grid,the length to diameter ratio (L/D), is from 10 to 20,opening rate is as high as 99%. For this high opening rate,sound waves can effectively enter into the deep layers of foam,and then the vibration of the sound turns into the vibrations of the grid, which makes the sound waves completely consumption,and effectively eliminates the reflection wave.

Melamine foam the acoustic material

At the same time, due to the three-dimensional grid structure with full opening, melamine form has quite low density, only about 8 kg/M3,which allows it to be convenient as decorative sound-absorbing material. At present, the airport, railway stations, recording studios, theaters, factories have started using this new light material to control and insulate noise.

Melamine foam picture

Melamine foam has excellent flame retardant effect,.Only in case of the big fire,its surface begins to burn,meantime much inertia nonflammable gas will be , decomposed and produced,and quickly a dense black coke layer will cover the surface that can prevent fire spread inside.Once flame source leaves,fire will die out automatically.If you burn this form with lighter,you can not see fire just the black coke-layer with a bad smell.

Melamine foam the fire retardant material

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Melamine foam acoustic and fire-retardant material

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