● Model Number :Type65/80/100 movable partition
● Matching Track: Type65/80/100 anodized aluminum track system
● Carrier bearing capacity: 225kg/250/380/650kg
● Panel thickness:65/80/100mm
● Main structure:Anodized aluminum+aluminum Keel
● Accessories material: stainless steel
● Sound insulation :STC32-53db
● Max height: 17000m
● Finish: Melamine laminate, Fabric , wood finish, customized finish is available
● Joint: Male- Female profile joint together
Top Seal (mm)/Pressure (kg)
In architectural acoustics, we are concerned with controlling the amplitude and/or the duration of sound. In walls and partitions, this is done by controlling sound transmission loss and sound absorption.
When sound waves strike a partition, some are reflected from the surface, staying in the same room as the source of the sound. Some are absorbed by the material of the partition, being converted to heat energy. And some are transmitted to the other side.
Sound absorption is the effectiveness of a surface or material at preventing the reflection of sound. It does this by converting sound energy to heat. The more sound absorption, the less echoing will exist. The absorption of a material is measured in Sabines and is found by the equation:
A = .921 Vd/c where
V = the room volume
d = the measured rate of decay in decibels per second
c = the speed of sound
RECEIVING ROOM - Room opposite the room with the sound source, in acoustic measurement.
REVERBERATION - The reflection of sound from hard surfaces. Contributes to loudness.
SOURCE ROOM - In architectural acoustic measurements, the room that contains the sound source.
STC (Sound Transmission Class) - the most widely accepted standard for ranking the acoustical performance of accordion and operable partitions.
STL (Sound Transmission Loss) - is the effectiveness of a barrier at preventing sound from getting from one side to the other. It is measured in decibels (dB), the same as amplitude.
ASTM (Formerly American Society for Testing and Materials) - Organization which establishes standards for testing and application in many areas including acoustics. Normally we use ASTM acoustic test report, the normal STC is 32- 55 db for movable wall partition panel.